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Liu N, Hu Z, Zhang L, Yang Q, Deng L, Terzaghi W, Hua W, Yan M, Liu J, Zheng M. BAPID suppresses the inhibition of BRM on Di19-PR module in response to drought. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024. [PMID: 39166483 DOI: 10.1111/tpj.16984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 07/26/2024] [Accepted: 08/05/2024] [Indexed: 08/23/2024]
Abstract
Drought is one of the most important abiotic stresses, and seriously threatens plant development and productivity. Increasing evidence indicates that chromatin remodelers are pivotal for plant drought response. However, molecular mechanisms of chromatin remodelers-mediated plant drought responses remain obscure. In this study, we found a novel interactor of BRM called BRM-associated protein involved in drought response (BAPID), which interacted with SWI/SNF chromatin remodeler BRM and drought-induced transcription factor Di19. Our findings demonstrated that BAPID acted as a positive drought regulator since drought tolerance was increased in BAPID-overexpressing plants, but decreased in BAPID-deficient plants, and physically bound to PR1, PR2, and PR5 promoters to mediate expression of PR genes to defend against dehydration stress. Genetic approaches demonstrated that BRM acted epistatically to BAPID and Di19 in drought response in Arabidopsis. Furthermore, the BAPID protein-inhibited interaction between BRM and Di19, and suppressed the inhibition of BRM on the Di19-PR module by mediating the H3K27me3 deposition at PR loci, thus changing nucleosome accessibility of Di19 and activating transcription of PR genes in response to drought. Our results shed light on the molecular mechanism whereby the BAPID-BRM-Di19-PRs pathway mediates plant drought responses. We provide data improving our understanding of chromatin remodeler-mediated plant drought regulation network.
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Affiliation(s)
- Nian Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
| | - Zhiyong Hu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
| | - Liang Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
| | - Qian Yang
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Yuelushan Laboratory, Changsha, 410125, China
| | - Linbin Deng
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
| | - William Terzaghi
- Department of Biology, Wilkes University, Wilkes-Barre, Pennsylvania, USA
| | - Wei Hua
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
| | - Mingli Yan
- Crop Research Institute, Hunan Academy of Agricultural Sciences, Yuelushan Laboratory, Changsha, 410125, China
| | - Jing Liu
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
- Hubei Hongshan Laboratory, Wuhan, 430070, China
| | - Ming Zheng
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan, 430062, China
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Mirosavljević M, Mikić S, Župunski V, Abdelhakim L, Trkulja D, Zhou R, Špika AK, Ottosen CO. Effects of Heat Stress during Anthesis and Grain Filling Stages on Some Physiological and Agronomic Traits in Diverse Wheat Genotypes. PLANTS (BASEL, SWITZERLAND) 2024; 13:2083. [PMID: 39124201 PMCID: PMC11314375 DOI: 10.3390/plants13152083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 07/25/2024] [Accepted: 07/26/2024] [Indexed: 08/12/2024]
Abstract
Heat stress represents a significant environmental challenge that adversely impacts the growth, physiology, and productivity of wheat. In order to determine the response to high temperatures of the wheat varieties developed mostly in the Pannonian environmental zone, as well as varietal differences, we subjected seven varieties from Serbia, one from Australia, and one from the UK to thermal stress during anthesis and mid-grain filling and combined stress during both of these periods. The changes in chlorophyll fluorescence and index, leaf temperature, and main agronomic traits of nine winter wheat varieties were investigated under high temperatures. Heat stress negatively affected leaf temperature, chlorophyll fluorescence, and the chlorophyll index during different growth stages. Compared to the control, stress at anthesis, mid-grain filling, and combined stress resulted in yield reductions of 32%, 46%, and 59%, respectively. Single treatment at anthesis had a more severe effect on the number of grains per plant, causing a 38% reduction compared to the control. Moreover, single treatment during mid-grain filling resulted in the greatest decline in grain weight, with a 29% reduction compared to the control. There was a significant varietal variation in heat tolerance, highlighting Avangarda and NS 40s as the most tolerant varieties that should be included in regular breeding programs as valuable sources of heat tolerance. Understanding the genetic and physiological mechanisms of heat tolerance in these promising varieties should be the primary focus of future research and help develop targeted breeding strategies and agronomic practices to mitigate the adverse effects of heat stress on wheat production.
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Affiliation(s)
- Milan Mirosavljević
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (M.M.); (S.M.); (V.Ž.); (D.T.)
| | - Sanja Mikić
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (M.M.); (S.M.); (V.Ž.); (D.T.)
| | - Vesna Župunski
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (M.M.); (S.M.); (V.Ž.); (D.T.)
| | - Lamis Abdelhakim
- Department of Food Science, Aarhus University, 8200 Aarhus, Denmark; (L.A.); (R.Z.); (C.-O.O.)
| | - Dragana Trkulja
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (M.M.); (S.M.); (V.Ž.); (D.T.)
| | - Rong Zhou
- Department of Food Science, Aarhus University, 8200 Aarhus, Denmark; (L.A.); (R.Z.); (C.-O.O.)
| | - Ankica Kondić Špika
- Institute of Field and Vegetable Crops, 21000 Novi Sad, Serbia; (M.M.); (S.M.); (V.Ž.); (D.T.)
| | - Carl-Otto Ottosen
- Department of Food Science, Aarhus University, 8200 Aarhus, Denmark; (L.A.); (R.Z.); (C.-O.O.)
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3
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Lu L, Kang Z, Sun S, Li T, Li H. The Life-History Traits of Soil-Dwelling Nematode (Acrobeloides sp.) Exhibit More Resilience to Water Restriction Than Caenorhabditis elegans. Integr Comp Biol 2024; 64:27-37. [PMID: 38070876 DOI: 10.1093/icb/icad129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 07/28/2024] Open
Abstract
In the context of climate warming, the intensity and frequency of drought occurrences are progressively increasing. However, current research on the impacts of drought on the life-history traits and physiological activities of animals rarely encompasses soil animals that play crucial roles within soil ecosystems. Therefore, this study focused on a soil nematode species (Acrobeloides sp.) and a model nematode (Caenorhabditis elegans) to investigate whether nematodes adjust the trade-off of their life-history traits to confront arid environments, utilizing a Petri dish experiment. Subsequently, we assessed the resilience of the two nematode species to moisture variations by comparing the extent of changes in various indicators (i.e., life-history traits, physiological traits, and oxidative stress) of nematodes before and after drought and rehydration. The results revealed that both nematode species are capable of adapting to arid environments by altering the trade-off between life-history traits. Specifically, they reduce reproductive investment and body mass while maintaining life span, thus responding to drought conditions. Follow-up rehydration experiments post-drought stress highlighted that the soil-dwelling nematode exhibits a superior recovery capacity in response to moisture fluctuations in comparison to the model nematode. To the best of our knowledge, this is the first investigation into life history of drought adaptation within soil-dwelling nematodes. Moreover, the findings hold significant implications for the exploration of drought adaptation and its mechanisms in soil-dwelling animals.
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Affiliation(s)
- Leilei Lu
- Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Ziqing Kang
- Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Shan Sun
- Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Teng Li
- Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Huixin Li
- Soil Ecology Lab, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Key Laboratory of Biological Interaction and Crop Health, Nanjing 210095, China
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4
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Tan X, Long W, Ma N, Sang S, Cai S. Transcriptome analysis suggested that lncRNAs regulate rapeseed seedlings in responding to drought stress by coordinating the phytohormone signal transduction pathways. BMC Genomics 2024; 25:704. [PMID: 39030492 PMCID: PMC11264961 DOI: 10.1186/s12864-024-10624-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 07/15/2024] [Indexed: 07/21/2024] Open
Abstract
The growth, yield, and seed quality of rapeseed are negatively affected by drought stress. Therefore, it is of great value to understand the molecular mechanism behind this phenomenon. In a previous study, long non-coding RNAs (lncRNAs) were found to play a key role in the response of rapeseed seedlings to drought stress. However, many questions remained unanswered. This study was the first to investigate the expression profile of lncRNAs not only under control and drought treatment, but also under the rehydration treatment. A total of 381 differentially expressed lncRNA and 10,253 differentially expressed mRNAs were identified in the comparison between drought stress and control condition. In the transition from drought stress to rehydration, 477 differentially expressed lncRNAs and 12,543 differentially expressed mRNAs were detected. After identifying the differentially expressed (DE) lncRNAs, the comprehensive lncRNAs-engaged network with the co-expressed mRNAs in leaves under control, drought and rehydration was investigated. The Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of co-expressed mRNAs identified the most significant pathways related with plant hormones (expecially abscisic acid, auxin, cytokinins, and gibberellins) in the signal transduction. The genes, co-expressed with the most-enriched DE-lncRNAs, were considered as the most effective candidates in the water-loss and water-recovery processes, including protein phosphatase 2 C (PP2C), ABRE-binding factors (ABFs), and SMALL AUXIN UP-REGULATED RNAs (SAURs). In summary, these analyses clearly demonstrated that DE-lncRNAs can act as a regulatory hub in plant-water interaction by controlling phytohormone signaling pathways and provided an alternative way to explore the complex mechanisms of drought tolerance in rapeseed.
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Affiliation(s)
- Xiaoyu Tan
- School of Agronomy and Horticulture, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang, China
| | - Weihua Long
- School of Rural Revitalization, Jiangsu Open University, Nanjing, China.
| | - Ni Ma
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oilcrops Research Institute of the Chinese Academy of Agricultural, Wuhan, China
| | - Shifei Sang
- College of Life Sciences, Henan Normal University, Xinxiang, China
| | - Shanya Cai
- School of Agronomy and Horticulture, Jiangsu Vocational College of Agriculture and Forestry, Zhenjiang, China
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5
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Huang K, Wu J, Fu Z, Du J. Comparative analysis of drought indices in the tropical zones of China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 947:174530. [PMID: 38986713 DOI: 10.1016/j.scitotenv.2024.174530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 06/28/2024] [Accepted: 07/03/2024] [Indexed: 07/12/2024]
Abstract
The intensity and frequency of drought are increasing in the tropical zone of China under global warming, and accurate assessment of drought severity and duration is critical for sustainable ecosystem management. Previous studies usually rely on one or more drought indices calculated from meteorological station or reanalysis data. However, the assessment results based on these drought indices are not consistent, which can be due to the differences in data sources and index parameters. In this study, we aim to identify the optimal dataset and drought index, and accurately evaluate the drought severity and drought duration in the tropical zone of China. We assessed the accuracy of five drought indices, namely Precipitation Anomaly in Percentage (PA), Relative Moisture Index (MI), Standardized Precipitation Index (SPI), Standardized Precipitation Evapotranspiration Index (SPEI) and Meteorological Drought Composite Index (MCI), calculated from meteorological station data and the China Meteorological Forcing Dataset (CMFD) with respect to drought records compiled by local government. Results indicate that the drought index calculated based on meteorological station data can better match the government-compiled drought records than CMFD. MI is the optimal index for drought severity and duration assessment in study area, especially for winter-spring drought and severe drought, followed by PA. The normalized bell-shaped line of fitted precipitation in winter and spring is biased towards the less rainy side in SPI calculations, which leads to more underestimation even for officially recommended MCI, and actual water supply are also misrepresented in SPEI calculations. This study offers valuable insights for policymakers to use optimal dataset and drought index to accurately assess the drought events, and take effective measures to alleviate its impact on tropical ecosystems in China.
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Affiliation(s)
- Kesheng Huang
- School of Geography and Planning, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Jinfeng Wu
- School of Geography and Planning, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Zhengxiao Fu
- School of Geography and Planning, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Jianhui Du
- School of Geography and Planning, Sun Yat-Sen University, Guangzhou, 510006, China; Carbon-Water Observation and Research Station in Karst Regions of Northern Guangdong, School of Geography and Planning, Sun Yat-Sen University, Guangzhou, 510006, China.
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6
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Huang H, Li M, Guo Q, Zhang R, Zhang Y, Luo K, Chen Y. Influence of Drought Stress on the Rhizosphere Bacterial Community Structure of Cassava ( Manihot esculenta Crantz). Int J Mol Sci 2024; 25:7326. [PMID: 39000433 PMCID: PMC11242396 DOI: 10.3390/ijms25137326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/16/2024] Open
Abstract
Drought presents a significant abiotic stress that threatens crop productivity worldwide. Rhizosphere bacteria play pivotal roles in modulating plant growth and resilience to environmental stresses. Despite this, the extent to which rhizosphere bacteria are instrumental in plant responses to drought, and whether distinct cassava (Manihot esculenta Crantz) varieties harbor specific rhizosphere bacterial assemblages, remains unclear. In this study, we measured the growth and physiological characteristics, as well as the physical and chemical properties of the rhizosphere soil of drought-tolerant (SC124) and drought-sensitive (SC8) cassava varieties under conditions of both well-watered and drought stress. Employing 16S rDNA high-throughput sequencing, we analyzed the composition and dynamics of the rhizosphere bacterial community. Under drought stress, biomass, plant height, stem diameter, quantum efficiency of photosystem II (Fv/Fm), and soluble sugar of cassava decreased for both SC8 and SC124. The two varieties' rhizosphere bacterial communities' overall taxonomic structure was highly similar, but there were slight differences in relative abundance. SC124 mainly relied on Gamma-proteobacteria and Acidobacteriae in response to drought stress, and the abundance of this class was positively correlated with soil acid phosphatase. SC8 mainly relied on Actinobacteria in response to drought stress, and the abundance of this class was positively correlated with soil urease and soil saccharase. Overall, this study confirmed the key role of drought-induced rhizosphere bacteria in improving the adaptation of cassava to drought stress and clarified that this process is significantly related to variety.
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Affiliation(s)
- Huling Huang
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Mingchao Li
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Qiying Guo
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Rui Zhang
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Yindong Zhang
- Key Laboratory of Plant Disease and Pest Control of Hainan Province, Institute of Plant Protection, Hainan Academy of Agricultural Sciences, Haikou 571100, China;
| | - Kai Luo
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Yinhua Chen
- School of Breeding and Multiplication, Sanya Institute of Breeding and Multiplication, Hainan University, Sanya 572025, China; (H.H.); (M.L.); (Q.G.); (R.Z.)
- School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
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7
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Rychel-Bielska S, Książkiewicz M, Kurasiak-Popowska D, Tomkowiak A, Bielski W, Weigt D, Niemann J, Surma A, Kozak B, Nawracała J. Molecular selection of soybean towards adaptation to Central European agroclimatic conditions. J Appl Genet 2024:10.1007/s13353-024-00889-6. [PMID: 38954397 DOI: 10.1007/s13353-024-00889-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 06/03/2024] [Accepted: 06/20/2024] [Indexed: 07/04/2024]
Abstract
Europe is highly dependent on soybean meal imports and anticipates an increase of domestic plant protein production. Ongoing climate change resulted in northward shift of plant hardiness zones, enabling spring-sowing of freezing-sensitive crops, including soybean. However, it requires efficient reselection of germplasm adapted to relatively short growing season and long-day photoperiod. In the present study, a PCR array has been implemented, targeting early maturity (E1-E4, E7, E9, and E10), pod shattering (qPHD1), and growth determination (Dt1) genes. This array was optimized for routine screening of soybean diversity panel (204 accessions), subjected to the 2018-2020 survey of phenology, morphology, and yield-related traits in a potential cultivation region in Poland. High broad-sense heritability (0.84-0.88) was observed for plant height, thousand grain weight, maturity date, and the first pod height. Significant positive correlations were identified between the number of seeds and pods per plant, between these two traits and seed yield per plant as well as between flowering, maturity, plant height, and first pod height. PCR array genotyping revealed high genetic diversity, yielding 98 allelic combinations. The most remarkable correlations were identified between flowering and E7 or E1, between maturity and E4 or E7 and between plant height and Dt1 or E4. The study demonstrated high applicability of this PCR array for molecular selection of soybean towards adaptation to Central Europe, designating recessive qPHD1 and dominant Dt1, E3, and E4 alleles as major targets to align soybean growth season requirements with the length of the frost-free period, improve plant performance, and increase yield.
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Affiliation(s)
- Sandra Rychel-Bielska
- Department of Genetics, Plant Breeding and Seed Production, Wroclaw University of Environmental and Life Sciences, 50-363, Wrocław, Poland
| | - Michał Książkiewicz
- Department of Gene Structure and Function, Institute of Plant Genetics, Polish Academy of Sciences, 60-479, Poznań, Poland.
| | - Danuta Kurasiak-Popowska
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
| | - Agnieszka Tomkowiak
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
| | - Wojciech Bielski
- Department of Gene Structure and Function, Institute of Plant Genetics, Polish Academy of Sciences, 60-479, Poznań, Poland
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
| | - Dorota Weigt
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
| | - Janetta Niemann
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
| | - Anna Surma
- Department of Gene Structure and Function, Institute of Plant Genetics, Polish Academy of Sciences, 60-479, Poznań, Poland
| | - Bartosz Kozak
- Department of Genetics, Plant Breeding and Seed Production, Wroclaw University of Environmental and Life Sciences, 50-363, Wrocław, Poland
| | - Jerzy Nawracała
- Department of Genetics and Plant Breeding, Faculty of Agronomy, Horticulture and Bioengineering, Poznań University of Life Sciences, 60-632, Poznań, Poland
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8
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Wang D, Zhang X, Cao Y, Batool A, Xu Y, Qiao Y, Li Y, Wang H, Lin X, Bie X, Zhang X, Jing R, Dong B, Tong Y, Teng W, Liu X, Xiao J. TabHLH27 orchestrates root growth and drought tolerance to enhance water use efficiency in wheat. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:1295-1312. [PMID: 38695649 DOI: 10.1111/jipb.13670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/05/2024] [Accepted: 04/08/2024] [Indexed: 07/12/2024]
Abstract
Cultivating high-yield wheat under limited water resources is crucial for sustainable agriculture in semiarid regions. Amid water scarcity, plants activate drought response signaling, yet the delicate balance between drought tolerance and development remains unclear. Through genome-wide association studies and transcriptome profiling, we identified a wheat atypical basic helix-loop-helix (bHLH) transcription factor (TF), TabHLH27-A1, as a promising quantitative trait locus candidate for both relative root dry weight and spikelet number per spike in wheat. TabHLH27-A1/B1/D1 knock-out reduced wheat drought tolerance, yield, and water use efficiency (WUE). TabHLH27-A1 exhibited rapid induction with polyethylene glycol (PEG) treatment, gradually declining over days. It activated stress response genes such as TaCBL8-B1 and TaCPI2-A1 while inhibiting root growth genes like TaSH15-B1 and TaWRKY70-B1 under short-term PEG stimulus. The distinct transcriptional regulation of TabHLH27-A1 involved diverse interacting factors such as TaABI3-D1 and TabZIP62-D1. Natural variations of TabHLH27-A1 influence its transcriptional responses to drought stress, with TabHLH27-A1Hap-II associated with stronger drought tolerance, larger root system, more spikelets, and higher WUE in wheat. Significantly, the excellent TabHLH27-A1Hap-II was selected during the breeding process in China, and introgression of TabHLH27-A1Hap-II allele improved drought tolerance and grain yield, especially under water-limited conditions. Our study highlights TabHLH27-A1's role in balancing root growth and drought tolerance, providing a genetic manipulation locus for enhancing WUE in wheat.
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Affiliation(s)
- Dongzhi Wang
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiuxiu Zhang
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yuan Cao
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Aamana Batool
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Yongxin Xu
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yunzhou Qiao
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Yongpeng Li
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Hao Wang
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xuelei Lin
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xiaomin Bie
- Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, 271018, China
| | - Xiansheng Zhang
- Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an, 271018, China
| | - Ruilian Jing
- State Key Laboratory of Crop Gene Resources and Breeding, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Baodi Dong
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Center for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Shijiazhuang, 050022, China
| | - Yiping Tong
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Wan Teng
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xigang Liu
- Ministry of Education Key Laboratory of Molecular and Cellular Biology, Hebei Research Center of the Basic Discipline of Cell Biology, Hebei Collaboration Innovation Center for Cell Signaling and Environmental Adaptation, Hebei Key Laboratory of Molecular and Cellular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, 050024, China
| | - Jun Xiao
- Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
- Centre of Excellence for Plant and Microbial Science (CEPAMS), JIC-CAS, Beijing, 100101, China
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9
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Hagen M, Dass R, Westhues C, Blom J, Schultheiss SJ, Patz S. Interpretable machine learning decodes soil microbiome's response to drought stress. ENVIRONMENTAL MICROBIOME 2024; 19:35. [PMID: 38812054 PMCID: PMC11138018 DOI: 10.1186/s40793-024-00578-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 05/10/2024] [Indexed: 05/31/2024]
Abstract
BACKGROUND Extreme weather events induced by climate change, particularly droughts, have detrimental consequences for crop yields and food security. Concurrently, these conditions provoke substantial changes in the soil bacterial microbiota and affect plant health. Early recognition of soil affected by drought enables farmers to implement appropriate agricultural management practices. In this context, interpretable machine learning holds immense potential for drought stress classification of soil based on marker taxa. RESULTS This study demonstrates that the 16S rRNA-based metagenomic approach of Differential Abundance Analysis methods and machine learning-based Shapley Additive Explanation values provide similar information. They exhibit their potential as complementary approaches for identifying marker taxa and investigating their enrichment or depletion under drought stress in grass lineages. Additionally, the Random Forest Classifier trained on a diverse range of relative abundance data from the soil bacterial micobiome of various plant species achieves a high accuracy of 92.3 % at the genus rank for drought stress prediction. It demonstrates its generalization capacity for the lineages tested. CONCLUSIONS In the detection of drought stress in soil bacterial microbiota, this study emphasizes the potential of an optimized and generalized location-based ML classifier. By identifying marker taxa, this approach holds promising implications for microbe-assisted plant breeding programs and contributes to the development of sustainable agriculture practices. These findings are crucial for preserving global food security in the face of climate change.
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Affiliation(s)
- Michelle Hagen
- Computomics GmbH, Eisenbahnstraße 1, 72072, Tübingen, Baden-Württemberg, Germany
| | - Rupashree Dass
- Computomics GmbH, Eisenbahnstraße 1, 72072, Tübingen, Baden-Württemberg, Germany
| | - Cathy Westhues
- Computomics GmbH, Eisenbahnstraße 1, 72072, Tübingen, Baden-Württemberg, Germany
| | - Jochen Blom
- Bioinformatics and Systems Biology, Justus Liebig University Gießen, Heinrich-Buff-Ring 58, 35390, Gießen, Hesse, Germany
| | | | - Sascha Patz
- Computomics GmbH, Eisenbahnstraße 1, 72072, Tübingen, Baden-Württemberg, Germany.
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10
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Zhang P, Jiao L, Xue R, Wei M, Wang X, Li Q. Wet events increase tree growth recovery after different drought intensities. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171595. [PMID: 38492585 DOI: 10.1016/j.scitotenv.2024.171595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/08/2024] [Accepted: 03/07/2024] [Indexed: 03/18/2024]
Abstract
Understanding the dynamics of tree recovery after drought is critical for predicting the state of tree growth in the context of future climate change. While there has been a great deal of researches showing that drought events can cause numerous significant negative effects on tree growth, the positive effects of post-drought wetting events on tree growth remain unclear. Therefore, we analyzed the effect of wet and dry events on the radial growth of trees in Central Asia using data on the width of tree rings. The results showed that 1) Drought is the main limiting factor for radial growth of trees in Central Asia, and that as the intensity and sensitivity of drought increases, tree resistance decreases and recovery rises, and more frequent droughts reduce tree resistance. 2) Tree radial growth varied significantly with wet and dry conditions, with wet events before and after drought events significantly enhancing tree radial growth. 3) When drought is followed by a wetting event, the relationship between tree resistance and recovery is closer to the "line of full resilience", with a significant increase in recovery, and compensatory growth is more likely to occur. Thus, wetting events have a significant positive effect on tree radial growth and are a key factor in rapid tree growth recovery after drought.
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Affiliation(s)
- Peng Zhang
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China
| | - Liang Jiao
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China.
| | - Ruhong Xue
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China
| | - Mengyuan Wei
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China
| | - Xuge Wang
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China
| | - Qian Li
- College of Geography and Environment Sciences, Northwest Normal University, Lanzhou 730070, China; Key Laboratory of Resource Environment and Sustainable Development of Oasis, Gansu Province, Lanzhou 730070, China
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11
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Zhang F, Pan Z, Han C, Dong H, Lin L, Qiao Q, Zhao K, Wu J, Tao S, Zhang S, Huang X. Pyrus betulaefolia ERF3 interacts with HsfC1a to coordinately regulate aquaporin PIP1;4 and NCED4 for drought tolerance. HORTICULTURE RESEARCH 2024; 11:uhae090. [PMID: 38799129 PMCID: PMC11116902 DOI: 10.1093/hr/uhae090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 03/20/2024] [Indexed: 05/29/2024]
Abstract
Environmental disasters like drought reduce agricultural output and plant growth. Redox management significantly affects plant stress responses. An earlier study found that PbPIP1;4 transports H2O2 and promotes H2O2 downstream cascade signaling to restore redox equilibrium. However, this regulatory mechanism requires additional investigation. In this search, the AP2 domain-containing transcription factor was isolated by screening Y1H from the wild pear (Pyrus betulaefolia) cDNA library, named PbERF3. The overexpression of PbERF3 in pear callus and Arabidopsis enhanced plant resistance to drought and re-established redox balance. The transcripts of the NCEDs gene were upregulated under drought stress. The drought stress-related abscisic acid (ABA) signaling pathway modulates PbERF3. PbERF3 silencing lowered drought tolerance. Furthermore, yeast 2-hybrid, luciferase, bimolecular fluorescence complementation, and co-immunoprecipitation assays verified that PbERF3 physically interacted with PbHsfC1a. The PbERF3-PbHsfC1a heterodimer coordinately bound to PbPIP1;4 and PbNCED4 promoter, therefore activating both the H2O2 and the ABA signaling pathway. This work revealed a novel PbERF3-PbHsfC1a-PbNCED4-PbPIP1;4 regulatory module, in which PbERF3 interacts with PbHsfC1a to trigger the expression of target genes. This module establishes an interaction between the H2O2 signaling component PbPIP1;4 and the ABA pathways component PbNCED4, enabling a response to drought.
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Affiliation(s)
- Feng Zhang
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Zhijian Pan
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Chenyang Han
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Huizhen Dong
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Likun Lin
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Qinghai Qiao
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Keke Zhao
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Juyou Wu
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Shutian Tao
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Shaoling Zhang
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
| | - Xiaosan Huang
- College of Horticulture, State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Nanjing Agricultural University, No.1 Weigang, Tongwei Road, Nanjing 210095, China
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12
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Yang C, Lu J, Xiong Z, Wang B, Ren T, Cong R, Lu Z, Li X. Potassium deficiency enhances imbalances in rice water relations under water deficit by decreasing leaf hydraulic conductance. PHYSIOLOGIA PLANTARUM 2024; 176:e14360. [PMID: 38797869 DOI: 10.1111/ppl.14360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 04/17/2024] [Accepted: 05/01/2024] [Indexed: 05/29/2024]
Abstract
Potassium (K+) is an essential macronutrient for appropriate plant development and physiology. However, little is known about the mechanisms involved in the regulation of leaf water relations by K under water deficit. A pot experiment with two K supplies of 0.45 and 0 g K2O per pot (3 kg soil per pot) and two watering conditions (well-watered and water-deficit) was conducted to explore the effects of K deficiency on canopy transpiration characteristics, leaf water status, photosynthesis, and hydraulic traits in two rice genotypes with contrasting resistance to drought. The results showed that K deficiency reduced canopy transpiration rate by decreasing stomatal conductance, which led to higher canopy temperatures, resulting in limited water deficit tolerance in rice. In addition, K deficiency led to further substantial reductions in leaf relative water content and water potential under water deficit, which increased the imbalance in leaf water relations under water deficit. Notably, K deficiency limited leaf gas exchange by reducing leaf hydraulic conductance, but decreased the intrinsic water use efficiency under water deficit, especially for the drought-resistant cultivar. Further analysis of the underlying process of leaf hydraulic resistance revealed that the key limiting factor of leaf hydraulic conductance under K deficiency was the outside-xylem hydraulic conductance rather than the xylem hydraulic conductance. Overall, our results provide a comprehensive perspective for assessing leaf water relations under K deficiency, water deficit, and their combined stresses, which will be useful for optimal rice fertilization strategies.
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Affiliation(s)
- Cheng Yang
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Jianwei Lu
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Zhihao Xiong
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Bin Wang
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Tao Ren
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Rihuan Cong
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Zhifeng Lu
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
| | - Xiaokun Li
- College of Resources and Environment / Microelement Research Center, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Wuhan, China
- Shuangshui Shuanglü Institute, Huazhong Agricultural University, Wuhan, China
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13
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Hong L, Wei L, Fanglan G, Jiao L, Shiheng T, Hong Y, Yao R, Xinyue G, Can Y. Unveiling the regulatory mechanism of poly-γ-glutamic acid on soil characteristics under drought stress through integrated metagenomics and metabolomics analysis. Front Microbiol 2024; 15:1387223. [PMID: 38751715 PMCID: PMC11094619 DOI: 10.3389/fmicb.2024.1387223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 04/17/2024] [Indexed: 05/18/2024] Open
Abstract
It is of utmost importance to understand the characteristics and regulatory mechanisms of soil in order to optimize soil management and enhance crop yield. Poly-γ-glutamic acid (γ-PGA), a stress-resistant amino acid polymer, plays a crucial role in plant drought stress resistance. However, little is known about the effects of γ-PGA on soil characteristics during drought treatments. In this study, the effects of different forms of γ-PGA on soil texture and basic physical and chemical properties under short-term drought conditions were investigated. Furthermore, the impact of γ-PGA on the microbial community and metabolic function of maize was analyzed. Under drought conditions, the introduction of γ-PGA into the soil resulted in notable improvements in the mechanical composition ratio and infiltration capacity of the soil. Concurrently, this led to a reduction in soil bulk density and improved soil organic matter content and fertility. Additionally, metagenomic analysis revealed that under drought conditions, the incorporation of γ-PGA into the soil enhanced the soil microbiota structure. This shift led to the predominance of bacteria that are crucial for carbon, nitrogen, and phosphorus cycles in the soil. Metabolomics analysis revealed that under drought treatment, γ-PGA affected soil metabolic patterns, with a particular focus on alterations in amino acid and vitamin metabolism pathways. Correlation analysis between the soil metagenome and metabolites showed that microorganisms played a significant role in metabolite accumulation. These results demonstrated that γ-PGA could improve soil characteristics under drought conditions and play an important role in soil microorganisms and microbial metabolism, providing further insights into the changes in soil characteristics under drought conditions.
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Affiliation(s)
- Li Hong
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Li Wei
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Ge Fanglan
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Li Jiao
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Tu Shiheng
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Yang Hong
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Ren Yao
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Gong Xinyue
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
| | - Yao Can
- Key Laboratory of the Evaluation and Monitoring of Southwest Land Resources (Ministry of Education), Sichuan Normal University, Chengdu, China
- College of Life Sciences, Sichuan Normal University, Chengdu, China
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14
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Yadav S, Yadava YK, Meena S, Kalwan G, Bharadwaj C, Paul V, Kansal R, Gaikwad K, Jain PK. Novel insights into drought-induced regulation of ribosomal genes through DNA methylation in chickpea. Int J Biol Macromol 2024; 266:131380. [PMID: 38580022 DOI: 10.1016/j.ijbiomac.2024.131380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Modifications within the epigenome of an organism in response to external environmental conditions allow it to withstand the hostile stress factors. Drought in chickpea is a severely limiting abiotic stress factor which is known to cause huge yield loss. To analyse the methylome of chickpea in response to drought stress conditions and how it affects gene expression, we performed whole-genome bisulfite sequencing (WGBS) and RNA-seq of two chickpea genotypes which contrast for drought tolerance. It was observed that the mCHH was most variable under drought stress and the drought tolerant (DT) genotype exhibited substantial genome-wide hypomethylation as compared to the drought sensitive (DS) genotype. Specifically, there was substantial difference in gene expression and methylation for the ribosomal genes for the tolerant and sensitive genotypes. The differential expression of these genes was in complete agreement with earlier reported transcriptomes in chickpea. Many of these genes were hypomethylated (q < 0.01) and downregulated under drought stress (p < 0.01) in the sensitive genotype. The gene RPS6 (ribosomal protein small subunit) was found to be downregulated and hypomethylated in the drought sensitive genotype which could possibly lead to reduced ribosomal biosynthesis. This study provides novel insights into regulation of drought-responsive genes in chickpea.
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Affiliation(s)
- Sheel Yadav
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India; PG School, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Yashwant K Yadava
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India
| | - Shashi Meena
- PG School, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India; Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Gopal Kalwan
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India; PG School, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - C Bharadwaj
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Vijay Paul
- Division of Plant Physiology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Rekha Kansal
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India
| | - Kishor Gaikwad
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India
| | - P K Jain
- ICAR-National Institute for Plant Biotechnology, New Delhi 110012, India.
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15
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Yao P, Zhang B, Yang R, Ma X, Zhang X, Wu T, Li B. Assessment of the combined vulnerability to droughts and heatwaves in Shandong Province in summer from 2000 to 2018. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:464. [PMID: 38647697 DOI: 10.1007/s10661-024-12637-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 04/12/2024] [Indexed: 04/25/2024]
Abstract
Droughts and heat waves exhibit synergistic effects and are among the world's most costly disasters. To explore the spatiotemporal differences and formation mechanisms of the combined vulnerability to droughts and heat waves in Shandong Province over the past 20 years, a vulnerability scoping diagram (VSD) model with three dimensions-exposure, sensitivity, and adaptability-was constructed to assess and compare the combined vulnerability to high-temperature and drought events, considering economic and social conditions. The results showed that (1) over the past 20 years, heat waves and droughts have increased in Shandong Province. The number of high-temperature events significantly increased in the west and decreased along the eastern coast, and drought change was characterized by an increase in the south and a decrease in the north. (2) The combined exposure to summer droughts and heat waves in Shandong Province showed a significant increasing trend (P < 0.05) at a rate of approximately 0.072/10a; the combined sensitivity significantly decreased (P < 0.05) at a rate of approximately 0.137/10a, and the combined adaptability continued to increase at a rate of approximately 0.481/10a. (3) The combined vulnerability to summer droughts and heat waves in the western inland area of Shandong Province was high and gradually decreased toward the southeastern coast. The overall decrease trend was nonsignificant with a decrease of approximately 0.126/10a, and the decline rate decreased from northwest to southeast, in which Laiwu, Yantai, Jinan, and Zibo cities exhibited a significant decreasing trend (P < 0.05). Although the compound vulnerability of Shandong Province has decreased insignificantly, the frequency of combined drought and heat wave events has increased, and the combined vulnerability will increase in the future.
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Affiliation(s)
- Ping Yao
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China
| | - Baohuan Zhang
- Department of College English Teaching, Qufu Normal University, Rizhao, 276826, China.
| | - Ruihan Yang
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China
| | - Xiaonuo Ma
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China
| | - Xiangning Zhang
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China
| | - Tianxiao Wu
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China
| | - Baofu Li
- Key Laboratory of Terrestrial Ecological Remediation in Jining City, School of Geography and Tourism, Qufu Normal University, Rizhao, 276826, China.
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16
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Zhu Z, Duan W, Zou S, Zeng Z, Chen Y, Feng M, Qin J, Liu Y. Spatiotemporal characteristics of meteorological drought events in 34 major global river basins during 1901-2021. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:170913. [PMID: 38354818 DOI: 10.1016/j.scitotenv.2024.170913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/24/2024] [Accepted: 02/09/2024] [Indexed: 02/16/2024]
Abstract
Meteorological drought is a crucial driver of various types of droughts; thus, identifying the spatiotemporal characteristics of meteorological drought at the basin scale has implications for ecological and water resource security. However, differences in drought characteristics between river basins have not been clearly elucidated. In this study, we identify and compare meteorological drought events in 34 major river basins worldwide using a three-dimensional drought-clustering algorithm based on the standardised precipitation evapotranspiration index on a 12-month scale from 1901 to 2021. Despite synchronous increases in precipitation and potential evapotranspiration (PET), with precipitation increasing by more than three times the PET, 47 % (16/34) of the basins showed a tendency towards drought in over half their basin areas. Drought events occurred frequently, with more than half identified as short-term droughts (lasting less than or equal to three months). Small basins had a larger drought impact area, with major drought events often originating from the basin boundaries and migrating towards the basin centre. Meteorological droughts were driven by changes in sea surface temperature (SST), especially the El Niño Southern Oscillation (ENSO) or other climate indices. Anomalies in SST and atmospheric circulation caused by ENSO events may have led to altered climate patterns in different basins, resulting in drought events. These results provide important insights into the characteristics and mechanisms of meteorological droughts in different river basins worldwide.
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Affiliation(s)
- Ziyang Zhu
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weili Duan
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Shan Zou
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China; Akesu National Station of Observation and Research for Oasis Agro-ecosystem, Akesu, Xinjiang 843017, China.
| | - Zhenzhong Zeng
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yaning Chen
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Meiqing Feng
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingxiu Qin
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongchang Liu
- State Key Laboratory of Desert and Oasis Ecology, Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
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17
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Yang L, Xu L, Guo J, Li A, Qi H, Wang J, Song S. SNAC1-OsERF103-OsSDG705 module mediates drought response in rice. THE NEW PHYTOLOGIST 2024; 241:2480-2494. [PMID: 38296835 DOI: 10.1111/nph.19552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 01/02/2024] [Indexed: 02/02/2024]
Abstract
Drought stress profoundly hampers both plant growth and crop yield. To combat this, plants have evolved intricate transcriptional regulation mechanisms as a pivotal strategy. Through a genetic screening with rice genome-scale mutagenesis pool under drought stress, we identified an APETALA2/Ethylene Responsive Factor, namely OsERF103, positively responds to drought tolerance in rice. Combining chromatin immunoprecipitation sequencing and RNA sequencing analyses, we pinpointed c. 1000 genes directly influenced by OsERF103. Further results revealed that OsERF103 interacts with Stress-responsive NAC1 (SNAC1), a positive regulator of drought tolerance in rice, to synergistically regulate the expression of key drought-related genes, such as OsbZIP23. Moreover, we found that OsERF103 recruits a Su(var)3-9,enhancer of zeste and trithorax-domain group protein 705, which encodes a histone 3 lysine 4 (H3K4)-specific methyltransferase to specifically affect the deposition of H3K4me3 at loci like OsbZIP23 and other genes linked to dehydration responses. Additionally, the natural alleles of OsERF103 are selected during the domestication of both indica and japonica rice varieties and exhibit significant geographic distribution. Collectively, our findings have unfurled a comprehensive mechanistic framework underlying the OsERF103-mediated cascade regulation of drought response. This discovery not only enhances our understanding of drought signaling but also presents a promising avenue for the genetic improvement of drought-tolerant rice cultivars.
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Affiliation(s)
- Lijia Yang
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Liang Xu
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jiazhuo Guo
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Aipeng Li
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Haoyue Qi
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Jiaxuan Wang
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Shiyong Song
- State Key Laboratory of Rice Biology and Breeding, Zhejiang Provincial Key Laboratory of Crop Genetic Resources, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
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Zhang J, Chen X, Song Y, Gong Z. Integrative regulatory mechanisms of stomatal movements under changing climate. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024; 66:368-393. [PMID: 38319001 DOI: 10.1111/jipb.13611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/04/2024] [Indexed: 02/07/2024]
Abstract
Global climate change-caused drought stress, high temperatures and other extreme weather profoundly impact plant growth and development, restricting sustainable crop production. To cope with various environmental stimuli, plants can optimize the opening and closing of stomata to balance CO2 uptake for photosynthesis and water loss from leaves. Guard cells perceive and integrate various signals to adjust stomatal pores through turgor pressure regulation. Molecular mechanisms and signaling networks underlying the stomatal movements in response to environmental stresses have been extensively studied and elucidated. This review focuses on the molecular mechanisms of stomatal movements mediated by abscisic acid, light, CO2 , reactive oxygen species, pathogens, temperature, and other phytohormones. We discussed the significance of elucidating the integrative mechanisms that regulate stomatal movements in helping design smart crops with enhanced water use efficiency and resilience in a climate-changing world.
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Affiliation(s)
- Jingbo Zhang
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, 100193, China
| | - Xuexue Chen
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yajing Song
- State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing, 100193, China
| | - Zhizhong Gong
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100094, China
- Institute of Life Science and Green Development, School of Life Sciences, Hebei University, Baoding, 071001, China
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19
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Wang X, Zhao W, Wei X, Sun Y, Dong S. Molecular mechanism of drought resistance in soybean roots revealed using physiological and multi-omics analyses. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108451. [PMID: 38402799 DOI: 10.1016/j.plaphy.2024.108451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 02/27/2024]
Abstract
Soybeans are one of the most cultivated crops worldwide and drought can seriously affect their growth and development. Many studies have elucidated the mechanisms through which soybean leaves respond to drought; however, little is known about these mechanisms in roots. We used two soybean varieties with different drought tolerances to study the morphological, physiological, and molecular response mechanisms of the root system to drought stress in seedlings. We found that drought stress led to a significant decrease in the root traits and an increase in antioxidant enzyme activity in the two varieties. Drought-resistant varieties accumulate large amounts of flavonoids and phenolic acids at the metabolic level, which causes variations in drought resistance. Additionally, differences in gene expression and drought-resistance pathways between the two varieties were clarified using transcriptome analysis. Through a multi-omics joint analysis, phenylpropanoid and isoflavonoid biosynthesis were identified as the core drought resistance pathways in soybean roots. Candidate genes and marker metabolites affecting drought resistance were identified. The phenylpropanoid pathway confers drought tolerance to roots by maintaining a high level of POD activity and mediates the biosynthesis of various secondary drought-resistant metabolites to resist drought stress. This study provides useful data for investigating plant root drought responses and offers theoretical support for plant breeding for drought resistance.
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Affiliation(s)
- Xiyue Wang
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Wei Zhao
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Xinhe Wei
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Yanbin Sun
- College of Agriculture, Northeast Agricultural University, Harbin, China
| | - Shoukun Dong
- College of Agriculture, Northeast Agricultural University, Harbin, China.
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20
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Stríkis NM, Buarque PFSM, Cruz FW, Bernal JP, Vuille M, Tejedor E, Santos MS, Shimizu MH, Ampuero A, Du W, Sampaio G, Sales HDR, Campos JL, Kayano MT, Apaèstegui J, Fu RR, Cheng H, Edwards RL, Mayta VC, Francischini DDS, Arruda MAZ, Novello VF. Modern anthropogenic drought in Central Brazil unprecedented during last 700 years. Nat Commun 2024; 15:1728. [PMID: 38409095 PMCID: PMC11258244 DOI: 10.1038/s41467-024-45469-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/23/2024] [Indexed: 02/28/2024] Open
Abstract
A better understanding of the relative roles of internal climate variability and external contributions, from both natural (solar, volcanic) and anthropogenic greenhouse gas forcing, is important to better project future hydrologic changes. Changes in the evaporative demand play a central role in this context, particularly in tropical areas characterized by high precipitation seasonality, such as the tropical savannah and semi-desertic biomes. Here we present a set of geochemical proxies in speleothems from a well-ventilated cave located in central-eastern Brazil which shows that the evaporative demand is no longer being met by precipitation, leading to a hydrological deficit. A marked change in the hydrologic balance in central-eastern Brazil, caused by a severe warming trend, can be identified, starting in the 1970s. Our findings show that the current aridity has no analog over the last 720 years. A detection and attribution study indicates that this trend is mostly driven by anthropogenic forcing and cannot be explained by natural factors alone. These results reinforce the premise of a severe long-term drought in the subtropics of eastern South America that will likely be further exacerbated in the future given its apparent connection to increased greenhouse gas emissions.
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Affiliation(s)
- Nicolas Misailidis Stríkis
- Instituto de Geociências, Universidade de São Paulo (USP), São Paulo, São Paulo-SP, Brazil.
- Departamento de Geoquímica, Universidade Federal Fluminense (UFF), Niterói, Rio de Janeiro-RJ, Brazil.
| | - Plácido Fabrício Silva Melo Buarque
- Instituto de Geociências, Universidade de São Paulo (USP), São Paulo, São Paulo-SP, Brazil
- Departamento de Geoquímica, Universidade Federal Fluminense (UFF), Niterói, Rio de Janeiro-RJ, Brazil
- Universidade Estadual de Goias (UEG), Iporá, Goiás-GO, Brazil
- Instituto Federal Goiano, Ceres, Goiás-GO, Brazil
| | - Francisco William Cruz
- Instituto de Geociências, Universidade de São Paulo (USP), São Paulo, São Paulo-SP, Brazil
| | - Juan Pablo Bernal
- Centro de Geociencias, Universidad Nacional Autónoma de México, Querétaro, México
| | - Mathias Vuille
- Department of Atmospheric and Environmental Sciences, University at Albany, State University of New York, Albany, NY, USA
| | - Ernesto Tejedor
- Department of Geology, National Museum of Natural Sciences-Spanish National Research Council (MNCN-CSIC), Madrid, Spain
| | - Matheus Simões Santos
- Departamento de Geoquímica, Universidade Federal Fluminense (UFF), Niterói, Rio de Janeiro-RJ, Brazil
| | - Marília Harumi Shimizu
- General Coordination of Earth Sciences, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil
| | - Angela Ampuero
- Instituto de Geociências, Universidade de São Paulo (USP), São Paulo, São Paulo-SP, Brazil
| | - Wenjing Du
- Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, China
| | - Gilvan Sampaio
- General Coordination of Earth Sciences, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil
| | - Hamilton Dos Reis Sales
- Instituto Federal de Educação, Ciência e Tecnologia do Norte de Minas Gerais, Januária, Brazil
| | - José Leandro Campos
- Instituto de Geociências, Universidade de São Paulo (USP), São Paulo, São Paulo-SP, Brazil
| | - Mary Toshie Kayano
- General Coordination of Earth Sciences, National Institute for Space Research (INPE), São José dos Campos, São Paulo, Brazil
| | - James Apaèstegui
- Instituto Geofísico del Perú, Lima, Peru
- Universidad Nacional Agraria La Molina, Programa de Maestria en Recursos Hídricos, Lima, Peru
| | - Roger R Fu
- Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
| | - Hai Cheng
- Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an, China
| | - R Lawrence Edwards
- Department of Earth Sciences, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Victor Chavez Mayta
- Department of Climate and Space Science and Engineering, University of Michigan, Ann Arbor, MI, USA
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21
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Liu X, Yu S, Yang Z, Dong J, Peng J. The first global multi-timescale daily SPEI dataset from 1982 to 2021. Sci Data 2024; 11:223. [PMID: 38383611 PMCID: PMC10881487 DOI: 10.1038/s41597-024-03047-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 02/05/2024] [Indexed: 02/23/2024] Open
Abstract
Global warming accelerates water cycle, causing more droughts globally that challenge monitoring and forecasting. The Standardized Precipitation Evapotranspiration Index (SPEI) is used to assess drought characteristics and response time of natural and economic systems at various timescales. However, existing SPEI datasets have coarse spatial or temporal resolution or limited spatial extent, restricting their ability to accurately identify the start or end dates or the extent of drought at the global scale. To narrow these gaps, we developed a global daily SPEI dataset (SPEI-GD), with a 0.25° spatial resolution from 1982 to 2021 at multiple timescales (5, 30, 90, 180 and 360 days), based on the precipitation from European Center for Medium Weather Forecasting Reanalysis V5 (ERA5) dataset and the potential evapotranspiration from Singer's dataset. Compared to widely used SPEIbase dataset, the SPEI-GD can improve the spatial-temporal resolution and the accuracy of SPEI in areas where meteorological sites are lacking. The SPEI-GD significantly correlates with site-based SPEI and soil moisture. Our dataset solidly supports sub-seasonal and daily-scale global and regional drought research.
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Affiliation(s)
- Xuebang Liu
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Shuying Yu
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Zhiwei Yang
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Jianquan Dong
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China
| | - Jian Peng
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China.
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22
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Adeyeri OE, Zhou W, Ndehedehe CE, Wang X. Global vegetation, moisture, thermal and climate interactions intensify compound extreme events. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169261. [PMID: 38097089 DOI: 10.1016/j.scitotenv.2023.169261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/21/2023]
Abstract
Compound extreme events, encompassing drought, vegetation stress, wildfire severity, and heatwave intensity (CDVWHS), pose significant threats to societal, environmental, and health systems. Understanding the intricate relationships governing CDVWHS evolution and their interaction with climate teleconnections is crucial for effective climate adaptation strategies. This study leverages remote sensing, reanalysis data, and climate models to analyze CDVWHS during historical (1982-2014), near-future (2028-2060), and far-future (2068-2100) periods under two Shared Socioeconomic Pathways (SSP; 245 and 585). Our results show that reduced vegetation health, unfavorable temperature conditions, and low moisture conditions have negligible effects on vegetation density. However, they worsen the intensity of heatwaves and increase the risk of wildfires. Wildfires can persist when thermal conditions are poor despite favorable moisture levels. For example, despite adequate moisture availability, we link the 2012 Siberian wildfire in the Ob basin to anomalous negative thermal conditions and concurrent unfavorable thermal-moisture conditions. In contrast, the Amazon experiences extreme and exceptional drought associated with unfavorable moisture conditions in the same year. A comparative analysis of Siberian and North American fires reveals distinct burned area anomalies due to variations in vegetation density and wildfire fuel. The North American fires have lower positive anomalies in burned areas because of negative anomalous vegetation density, which reduced the amount of wildfire fuel. Furthermore, we examine basin-specific variability in climate teleconnections related to compound CDVWHS, revealing the primary modes of variability and evolution of CDVWHS through climate teleconnection patterns. Moreover, a substantial increase in the magnitude of heatwave severity emerges between the near and far future under SSP 585. This study underscores the urgency for targeted actions to enhance ecosystem resilience and safeguard vulnerable communities from CDVWHS impacts. Identifying CDVWHS hotspots and comprehending their complex relationships with environmental factors are essential for developing effective adaptation strategies in a changing climate.
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Affiliation(s)
- Oluwafemi E Adeyeri
- Low-Carbon and Climate Impact Research Centre, School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong; Key Laboratory of Polar Atmosphere-Ocean-Ice System for Weather and Climate, Ministry of Education, Department of Atmospheric and Oceanic Sciences, Institute of Atmospheric Sciences, Fudan University, Shanghai, China; Australian Rivers Institute, Griffith University, Nathan, QLD 4111, Australia
| | - Wen Zhou
- Key Laboratory of Polar Atmosphere-Ocean-Ice System for Weather and Climate, Ministry of Education, Department of Atmospheric and Oceanic Sciences, Institute of Atmospheric Sciences, Fudan University, Shanghai, China; Key Laboratory for Polar Science of the MNR, Polar Research Institute of China, Shanghai, China.
| | - Christopher E Ndehedehe
- Australian Rivers Institute, Griffith University, Nathan, QLD 4111, Australia; School of Environment and Science, Griffith University, Nathan, QLD 4111, Australia
| | - Xuan Wang
- Low-Carbon and Climate Impact Research Centre, School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong
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23
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Amirahmadi E, Ghorbani M, Moudrý J, Bernas J, Mukosha CE, Hoang TN. Environmental Assessment of Dryland and Irrigated Winter Wheat Cultivation under Compost Fertilization Strategies. PLANTS (BASEL, SWITZERLAND) 2024; 13:509. [PMID: 38498489 PMCID: PMC10893302 DOI: 10.3390/plants13040509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 01/30/2024] [Accepted: 02/09/2024] [Indexed: 03/20/2024]
Abstract
Wheat (Triticum aestivum L.) is a strategic agricultural crop that plays a significant role in maintaining national food security and sustainable economic development. Increasing technical performance considering lowering costs, energy, and environmental consequences are significant aims for wheat cultivation. For drylands, which cover approximately 41% of the world's land surface, water stress has a considerable negative impact on crop output. The current study aimed to assess the environmental aspects of chemical fertilizer in combination with compost in dryland and irrigated winter wheat production systems through life cycle assessment (LCA). The cradle-to-farm gate was considered as the system boundary based on one tone of wheat yield and four strategies: D-C (dryland with compost), D (dryland without compost), I-C (irrigated with compost), and I (irrigated without compost). Based on the results, the highest and lowest amounts of wheat yield were related to the I-C and D strategies with 12.2 and 6.7 ton ha-1, respectively. The LCA result showed that the I strategy in comparison with other strategies had the highest negative impact on human health (49%), resources (59%), ecosystem quality (44%), and climate change (43%). However, the D-C strategy resulted in the lowest adverse effect of 6% on human health, 1% on resources, 10% on ecosystem quality, and 11% on climate change. Utilizing a combination of fertilizer and compost in dryland areas could ensure a higher yield of crops in addition to alleviating negative environmental indicators.
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Affiliation(s)
- Elnaz Amirahmadi
- Department of Agroecosystems, Faculty of Agriculture and Technology, University of South Bohemia, Branišovská 1645/31A, 370 05 Ceske Budejovice, Czech Republic; (M.G.); (J.M.); (J.B.); (T.N.H.)
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24
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Hu Y, Zhao H, Xue L, Nie N, Zhang H, Zhao N, He S, Liu Q, Gao S, Zhai H. IbMYC2 Contributes to Salt and Drought Stress Tolerance via Modulating Anthocyanin Accumulation and ROS-Scavenging System in Sweet Potato. Int J Mol Sci 2024; 25:2096. [PMID: 38396773 PMCID: PMC10889443 DOI: 10.3390/ijms25042096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/01/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Basic helix-loop-helix (bHLH) transcription factors extensively affect various physiological processes in plant metabolism, growth, and abiotic stress. However, the regulation mechanism of bHLH transcription factors in balancing anthocyanin biosynthesis and abiotic stress in sweet potato (Ipomoea batata (L.) Lam.) remains unclear. Previously, transcriptome analysis revealed the genes that were differentially expressed among the purple-fleshed sweet potato cultivar 'Jingshu 6' and its anthocyanin-rich mutant 'JS6-5'. Here, we selected one of these potential genes, IbMYC2, which belongs to the bHLH transcription factor family, for subsequent analyses. The expression of IbMYC2 in the JS6-5 storage roots is almost four-fold higher than Jingshu 6 and significantly induced by hydrogen peroxide (H2O2), methyl jasmonate (MeJA), NaCl, and polyethylene glycol (PEG)6000. Overexpression of IbMYC2 significantly enhances anthocyanin production and exhibits a certain antioxidant capacity, thereby improving salt and drought tolerance. In contrast, reducing IbMYC2 expression increases its susceptibility. Our data showed that IbMYC2 could elevate the expression of anthocyanin synthesis pathway genes by binding to IbCHI and IbDFR promoters. Additionally, overexpressing IbMYC2 activates genes encoding reactive oxygen species (ROS)-scavenging and proline synthesis enzymes under salt and drought conditions. Taken together, these results demonstrate that the IbMYC2 gene exercises a significant impact on crop quality and stress resistance.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Shaopei Gao
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing 100193, China; (Y.H.); (H.Z.); (L.X.); (N.N.); (H.Z.); (N.Z.); (S.H.); (Q.L.)
| | - Hong Zhai
- Key Laboratory of Sweet Potato Biology and Biotechnology, Ministry of Agriculture and Rural Affairs/Beijing Key Laboratory of Crop Genetic Improvement/Laboratory of Crop Heterosis and Utilization, Ministry of Education, College of Agronomy & Biotechnology, China Agricultural University, Beijing 100193, China; (Y.H.); (H.Z.); (L.X.); (N.N.); (H.Z.); (N.Z.); (S.H.); (Q.L.)
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25
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Ali S, Basit A, Umair M, Makanda TA, Shaik MR, Ibrahim M, Ni J. The Role of Climate Change and Its Sensitivity on Long-Term Standardized Precipitation Evapotranspiration Index, Vegetation and Drought Changing Trends over East Asia. PLANTS (BASEL, SWITZERLAND) 2024; 13:399. [PMID: 38337932 PMCID: PMC10857352 DOI: 10.3390/plants13030399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024]
Abstract
Droughts have become more severe and frequent due to global warming. In this context, it is widely accepted that for drought assessments, both water supply (rainfall) and demand (standardized precipitation evapotranspiration index, SPEI) should be considered. Using SPEI, we explored the spatial-temporal patterns of dry and wet annual and seasonal changes in five sub-regions of East Asia during 1902-2018. These factors are linked to excess drought frequency and severity on the regional scale, and their effect on vegetation remains an important topic for climate change studies. Our results show that the SPEI significantly improved extreme drought and mostly affected the SPEI-06 and SPEI-12 growing seasons in East Asia during 1981-2018. The dry and wet annual SPEI trends mostly affect the five sub-regions of East Asia. The annual SPEI had two extremely dry spells during 1936-1947 and 1978-2018. Japan, South Korea, and North Korea are wet in the summer compared to other regions of East Asia, with drought frequency occurring at 51.4%, respectively. The mean drought frequencies in China and Mongolia are 57.4% and 54.6%. China and Mongolia are the driest regions in East Asia due to high drought frequency and duration. The spatial seasonal analysis of solar radiation (SR), water vapor pressure (WVP), wind speed (WS), vegetation condition index (VCI), temperature condition index (TCI), and vegetation health index (VHI) have confirmed that the East Asia region suffered from maximum drought events. The seasonal variation of SPEI shows no clear drying trends during summer and autumn seasons. During the winter and spring seasons, there was a dry trend in East Asia region. During 1902-1990, a seasonal SPEI presented diverse characteristics, with clear wet trends in Japan, Mongolia, and North Korea in four different growing seasons, with dry trends in China and South Korea. During 1991-2018, seasonal SPEI presented clear dry trends in Japan, Mongolia, and North Korea in different growing seasons, while China and South Korea showed a wet trend during the spring, autumn, and winter seasons. This ecological and climatic mechanism provides a good basis for the assessment of vegetation and drought-change variations within East Asia. An understandings of long-term vegetation trends and the effects of rainfall and SPEI on droughts of varying severity is essential for water resource management and climate change adaptation. Based on the results, water resources will increase under global warming, which may alleviate the water scarcity issue in the East Asia region.
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Affiliation(s)
- Shahzad Ali
- College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
- College of Chemistry and Materials Science, Zhejiang Normal University, Jinhua 321004, China
- Department of Agriculture, Hazara University, Mansehra 21120, Pakistan
| | - Abdul Basit
- School of Computer Science and Technology, Qingdao University, Qingdao 266109, China
| | - Muhammad Umair
- College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Tyan Alice Makanda
- College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Mohammed Rafi Shaik
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Mohammad Ibrahim
- Department of Chemistry, Abdul Wali Khan University, Mardan 23200, Pakistan;
| | - Jian Ni
- College of Life Sciences, Zhejiang Normal University, Jinhua 321004, China
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26
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Wu Y, Yin X, Zhou G, Bruijnzeel LA, Dai A, Wang F, Gentine P, Zhang G, Song Y, Zhou D. Rising rainfall intensity induces spatially divergent hydrological changes within a large river basin. Nat Commun 2024; 15:823. [PMID: 38280877 PMCID: PMC10821892 DOI: 10.1038/s41467-023-44562-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 12/19/2023] [Indexed: 01/29/2024] Open
Abstract
Droughts or floods are usually attributed to precipitation deficits or surpluses, both of which may become more frequent and severe under continued global warming. Concurring large-scale droughts in the Southwest and flooding in the Southeast of China in recent decades have attracted considerable attention, but their causes and interrelations are not well understood. Here, we examine spatiotemporal changes in hydrometeorological variables and investigate the mechanism underlying contrasting soil dryness/wetness patterns over a 54-year period (1965-2018) across a representative mega-watershed in South China-the West River Basin. We demonstrate that increasing rainfall intensity leads to severe drying upstream with decreases in soil water storage, water yield, and baseflow, versus increases therein downstream. Our study highlights a simultaneous occurrence of increased drought and flooding risks due to contrasting interactions between rainfall intensification and topography across the river basin, implying increasingly vulnerable water and food security under continued climate change.
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Affiliation(s)
- Yiping Wu
- Institute of Global Environmental Change, Department of Earth & Environmental Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, PR China
- National Observation and Research Station of Regional Ecological Environment Change and Comprehensive Management in the Guanzhong Plain, Xi'an, 710061, PR China
| | - Xiaowei Yin
- Institute of Global Environmental Change, Department of Earth & Environmental Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, PR China
| | - Guoyi Zhou
- Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, 210044, PR China.
| | - L Adrian Bruijnzeel
- Department of Geography, King's College London, London, WC2B 4BG, UK
- Institute of International Rivers and Eco-Security, Yunnan University, Kunming, 650091, PR China
| | - Aiguo Dai
- Department of Atmospheric and Environmental Sciences, University at Albany, State University of New York, Albany, NY, 12222, USA
| | - Fan Wang
- Institute of Global Environmental Change, Department of Earth & Environmental Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, PR China
| | - Pierre Gentine
- Department of Earth and Environmental Engineering, Earth Institute, Columbia University, New York, NY, 10027, USA
| | - Guangchuang Zhang
- Institute of Global Environmental Change, Department of Earth & Environmental Science, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, PR China
| | - Yanni Song
- Technology Innovation Center for Land Engineering and Human Settlements, Shaanxi Land Engineering Construction Group Co. Ltd and Xi'an Jiaotong University, Xi'an, 710115, PR China
| | - Decheng Zhou
- Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, 210044, PR China
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Bolan S, Padhye LP, Jasemizad T, Govarthanan M, Karmegam N, Wijesekara H, Amarasiri D, Hou D, Zhou P, Biswal BK, Balasubramanian R, Wang H, Siddique KHM, Rinklebe J, Kirkham MB, Bolan N. Impacts of climate change on the fate of contaminants through extreme weather events. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 909:168388. [PMID: 37956854 DOI: 10.1016/j.scitotenv.2023.168388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/14/2023] [Accepted: 11/05/2023] [Indexed: 11/15/2023]
Abstract
The direct impacts of climate change involve a multitude of phenomena, including rising sea levels, intensified severe weather events such as droughts and flooding, increased temperatures leading to wildfires, and unpredictable fluctuations in rainfall. This comprehensive review intends to examine firstly the probable consequences of climate change on extreme weather events such as drought, flood and wildfire. This review subsequently examines the release and transformation of contaminants in terrestrial, aquatic, and atmospheric environments in response to extreme weather events driven by climate change. While drought and flood influence the dynamics of inorganic and organic contaminants in terrestrial and aquatic environments, thereby influencing their mobility and transport, wildfire results in the release and spread of organic contaminants in the atmosphere. There is a nascent awareness of climate change's influence of climate change-induced extreme weather events on the dynamics of environmental contaminants in the scientific community and decision-making processes. The remediation industry, in particular, lags behind in adopting adaptive measures for managing contaminated environments affected by climate change-induced extreme weather events. However, recognizing the need for assessment measures represents a pivotal first step towards fostering more adaptive practices in the management of contaminated environments. We highlight the urgency of collaboration between environmental chemists and climate change experts, emphasizing the importance of jointly assessing the fate of contaminants and rigorous action to augment risk assessment and remediation strategies to safeguard the health of our environment.
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Affiliation(s)
- Shiv Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia; Healthy Environments and Lives (HEAL) National Research Network, Australia
| | - Lokesh P Padhye
- Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Tahereh Jasemizad
- Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Muthusamy Govarthanan
- Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, South Korea; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, Tamil Nadu, India
| | - N Karmegam
- PG and Research Department of Botany, Government Arts College (Autonomous), Salem 636 007, Tamil Nadu, India
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya 70140, Sri Lanka
| | - Dhulmy Amarasiri
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University, Belihuloya 70140, Sri Lanka
| | - Deyi Hou
- School of Environment, Tsinghua University, Beijing 100084, People's Republic of China
| | - Pingfan Zhou
- School of Environment, Tsinghua University, Beijing 100084, People's Republic of China
| | - Basanta Kumar Biswal
- Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore
| | - Rajasekhar Balasubramanian
- Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Kadambot H M Siddique
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany
| | - M B Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA
| | - Nanthi Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia; Healthy Environments and Lives (HEAL) National Research Network, Australia.
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Wen S, Zhou C, Tian C, Yang N, Zhang C, Zheng A, Chen Y, Lai Z, Guo Y. Identification and Validation of the miR156 Family Involved in Drought Responses and Tolerance in Tea Plants ( Camellia sinensis (L.) O. Kuntze). PLANTS (BASEL, SWITZERLAND) 2024; 13:201. [PMID: 38256754 PMCID: PMC10819883 DOI: 10.3390/plants13020201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/23/2023] [Accepted: 01/09/2024] [Indexed: 01/24/2024]
Abstract
The microRNA156 (miR156) family, one of the first miRNA families discovered in plants, plays various important roles in plant growth and resistance to various abiotic stresses. Previously, miR156s were shown to respond to drought stress, but miR156s in tea plants (Camellia sinensis (L.) O. Kuntze) have not been comprehensively identified and analyzed. Herein, we identify 47 mature sequences and 28 precursor sequences in tea plants. Our evolutionary analysis and multiple sequence alignment revealed that csn-miR156s were highly conserved during evolution and that the rates of the csn-miR156 members' evolution were different. The precursor sequences formed typical and stable stem-loop structures. The prediction of cis-acting elements in the CsMIR156s promoter region showed that the CsMIR156s had diverse cis-acting elements; of these, 12 CsMIR156s were found to be drought-responsive elements. The results of reverse transcription quantitative PCR (RT-qPCR) testing showed that csn-miR156 family members respond to drought and demonstrate different expression patterns under the conditions of drought stress. This suggests that csn-miR156 family members may be significantly involved in the response of tea plants to drought stress. Csn-miR156f-2-5p knockdown significantly reduced the Fv/Fm value and chlorophyll content and led to the accumulation of more-reactive oxygen species and proline compared with the control. The results of target gene prediction showed that csn-miR156f-2-5p targeted SQUAMOSA promoter binding protein-like (SPL) genes. Further analyses showed that CsSPL14 was targeted by csn-miR156f-2-5p, as confirmed through RT-qPCR, 5' RLM-RACE, and antisense oligonucleotide validation. Our results demonstrate that csn-miR156f-2-5p and CsSPL14 are involved in drought response and represent a new strategy for increasing drought tolerance via the breeding of tea plants.
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Affiliation(s)
- Shengjing Wen
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Chengzhe Zhou
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Caiyun Tian
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Niannian Yang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Cheng Zhang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Anru Zheng
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Yixing Chen
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
| | - Zhongxiong Lai
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
- Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yuqiong Guo
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China; (S.W.); (C.Z.); (C.T.); (N.Y.); (C.Z.); (A.Z.); (Y.C.); (Z.L.)
- Anxi College of Tea Science (College of Digital Economy), Fujian Agriculture and Forestry University, Quanzhou 362400, China
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Gao Q, Liu Y, Liu Y, Dai C, Zhang Y, Zhou F, Zhu Y. Salicylic Acid Modulates the Osmotic System and Photosynthesis Rate to Enhance the Drought Tolerance of Toona ciliata. PLANTS (BASEL, SWITZERLAND) 2023; 12:4187. [PMID: 38140515 PMCID: PMC10747095 DOI: 10.3390/plants12244187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023]
Abstract
Toona ciliata M. Roem. is a valuable and fast-growing timber species which is found in subtropical regions; however, drought severely affects its growth and physiology. Although the exogenous application of salicylic acid (SA) has been proven to enhance plant drought tolerance by regulating the osmotic system and photosynthesis rate, the physiological processes involved in the regulation of drought tolerance by SA in various plants differ. Therefore, drought mitigation techniques tailored for T. ciliata should be explored or developed for the sustainable development of the timber industry. We selected 2-year-old T. ciliata seedlings for a potting experiment, set the soil moisture at 45%, and subjected some of the T. ciliata seedlings to a moderate drought (MD) treatment; to others, 0.5 mmol/L exogenous SA (MD + SA) was applied as a mitigation test, and we also conducted a control using a normal water supply at 70% soil moisture (CK). Our aim was to investigate the mitigating effects of exogenous SA on the growth condition, osmotic system, and photosynthesis rate of T. ciliata under drought stress conditions. OPLS-VIP was used to analyze the main physiological factors that enable exogenous SA to alleviate drought-induced injury in T. ciliata. The results indicated that exogenous SA application increased the growth of the ground diameter, plant height, and leaf blades and enhanced the drought tolerance of the T. ciliata seedlings by maintaining the balance of their osmotic systems, improving their gas exchange parameters, and restoring the activity of their PSII reaction centers. The seven major physiological factors that enabled exogenous SA to mitigate drought-induced injury in the T. ciliata seedlings were the soluble proteins (Sp), net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), stomatal opening window (Sow), activity of the photosystem II reaction center (ΦPSII), and electron transfer rate (ETR). Of these, Sp was the most dominant factor. There was a synergistic effect between the osmotic system and the photosynthetic regulation of drought injury in the T. ciliata seedlings. Overall, our study confirms that exogenous SA enhances the drought tolerance of T. ciliata by modulating the osmotic system and photosynthesis rate.
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Affiliation(s)
- Qi Gao
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yamin Liu
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yumin Liu
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Chongwen Dai
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yulin Zhang
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Fanbo Zhou
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
| | - Yating Zhu
- College of Resources and Environment, Southwest University, Chongqing 400715, China; (Q.G.); (Y.L.); (C.D.); (Y.Z.); (F.Z.); (Y.Z.)
- Key Laboratory of Ecological Environment in Three Gorges Reservoir Area, Ministry of Education, Southwest University, Chongqing 400715, China
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30
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Stagge JH, Torbenson MCA, Sung K, Phillips B, Kingston DG. Orographic amplification of El Niño teleconnections on winter precipitation across the Intermountain West of North America. NATURE WATER 2023; 1:1016-1026. [PMID: 38666263 PMCID: PMC11041804 DOI: 10.1038/s44221-023-00163-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 10/30/2023] [Indexed: 04/28/2024]
Abstract
A large proportion of western North America experiences regular water stress, compounded by high seasonal and interannual variability. In the Intermountain West region, the El Niño/Southern Oscillation (ENSO) is a critical control on winter precipitation, but the nature of this signal is entangled with a combination of orographic effects and long-term climate trends. This study employs a spatially distributed, nonlinear spline model to isolate ENSO impacts from these other factors using gauge-based observations starting in 1871. In contrast to previous modelling approaches, our approach uses original gauge data, without shortening the record to accommodate a common period. This enables more detailed separation of ENSO effects from the confounding influence of topography and long-term trends, whereas the longer time frame permits more robust correlation with the ENSO signal. Here we show that the complex topography of the Intermountain West exaggerates the underlying ENSO signal, producing a 2.3-5.8 times increase in the range of ENSO-induced precipitation changes along high-elevation western slopes relative to lower elevations. ENSO effects on winter precipitation can be as large as ± 100 mm at high elevations. Further, our approach reveals that the previously recognized dipolar pattern of positive (negative) association of ENSO with precipitation in the south (north) manifests as an incremental relationship in the south but as a near-binary switch in effects between El Niño and La Niña in the north. The location and extent of the strongest precipitation differences vary during the positive and negative ENSO phases within each region. The intricacies of these spatial- and elevation-based modulations of ENSO impacts are especially informative for the northern centre of this dipole, where ENSO-precipitation relationships have previously been difficult to resolve.
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Affiliation(s)
- James H. Stagge
- Department of Civil, Environmental and Geodetic Engineering, The Ohio State University, Columbus, OH USA
| | | | - Kyungmin Sung
- Department of Civil, Environmental and Geodetic Engineering, The Ohio State University, Columbus, OH USA
| | - Benjamin Phillips
- Department of Food, Agricultural and Biological Engineering, The Ohio State University, Columbus, OH USA
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Preisler Y, Grünzweig JM, Ahiman O, Amer M, Oz I, Feng X, Muller JD, Ruehr N, Rotenberg E, Birami B, Yakir D. Vapour pressure deficit was not a primary limiting factor for gas exchange in an irrigated, mature dryland Aleppo pine forest. PLANT, CELL & ENVIRONMENT 2023; 46:3775-3790. [PMID: 37680062 DOI: 10.1111/pce.14712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/23/2023] [Indexed: 09/09/2023]
Abstract
Climate change is often associated with increasing vapour pressure deficit (VPD) and changes in soil moisture (SM). While atmospheric and soil drying often co-occur, their differential effects on plant functioning and productivity remain uncertain. We investigated the divergent effects and underlying mechanisms of soil and atmospheric drought based on continuous, in situ measurements of branch gas exchange with automated chambers in a mature semiarid Aleppo pine forest. We investigated the response of control trees exposed to combined soil-atmospheric drought (low SM, high VPD) during the rainless Mediterranean summer and that of trees experimentally unconstrained by soil dryness (high SM; using supplementary dry season water supply) but subjected to atmospheric drought (high VPD). During the seasonal dry period, branch conductance (gbr ), transpiration rate (E) and net photosynthesis (Anet ) decreased in low-SM trees but greatly increased in high-SM trees. The response of E and gbr to the massive rise in VPD (to 7 kPa) was negative in low-SM trees and positive in high-SM trees. These observations were consistent with predictions based on a simple plant hydraulic model showing the importance of plant water potential in the gbr and E response to VPD. These results demonstrate that avoiding drought on the supply side (SM) and relying on plant hydraulic regulation constrains the effects of atmospheric drought (VPD) as a stressor on canopy gas exchange in mature pine trees under field conditions.
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Affiliation(s)
- Yakir Preisler
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
- Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - José M Grünzweig
- Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Ori Ahiman
- Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
- Institute of Soil, Water and Environmental Sciences, ARO Volcani Center, Beit Dagan, Israel
| | - Madi Amer
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
| | - Itai Oz
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
- Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Xue Feng
- Department of Civil, Environmental, and Geo-Engineering, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jonathan D Muller
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
- School for Climate Studies, Stellenbosch University, Stellenbosch, South Africa
| | - Nadine Ruehr
- Institute of Meteorology and Climate Research-Atmospheric Environmental Research (IMK-IFU), KIT-Campus Alpin, Karlsruhe Institute of Technology (KIT), Garmisch-Partenkirchen, Germany
| | - Eyal Rotenberg
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
| | - Benjamin Birami
- Institute of Meteorology and Climate Research-Atmospheric Environmental Research (IMK-IFU), KIT-Campus Alpin, Karlsruhe Institute of Technology (KIT), Garmisch-Partenkirchen, Germany
| | - Dan Yakir
- Department of Earth and Planetary Science, Weizmann Institute of Science, Rehovot, Israel
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32
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Wang X, Huang J, Peng S, Xiong D. Leaf rolling precedes stomatal closure in rice (Oryza sativa) under drought conditions. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6650-6661. [PMID: 37551729 DOI: 10.1093/jxb/erad316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Accepted: 08/05/2023] [Indexed: 08/09/2023]
Abstract
Leaf rolling is a physiological response to drought that may help to reduce water loss, but its significance as a contribution to drought tolerance is uncertain. We scored the leaf rolling of four rice genotypes along an experimental drought gradient using an improved cryo-microscopy method. Leaf water potential (Ψleaf), gas exchange, chlorophyll fluorescence, leaf hydraulic conductance, rehydration capacity, and the bulk turgor loss point were also analysed. During the drought process, stomatal conductance declined sharply to reduce water loss, and leaves rolled up before the stomata completely closed. The leaf water loss rate of rolled leaves was significantly reduced compared with artificially flattened leaves. The Ψleaf threshold of initial leaf rolling ranged from -1.95 to -1.04 MPa across genotypes. When a leaf rolled so that the leaf edges were touching, photosynthetic rate and stomatal conductance declined more than 80%. Across genotypes, leaf hydraulic conductance declined first, followed by gas exchange and chlorophyll fluorescence parameters. However, the Ψleaf threshold for a given functional trait decline differed significantly among genotypes, with the exception of leaf hydraulic conductance. Our results suggested that leaf rolling was mechanistically linked to drought avoidance and tolerance traits and might serve as a useful phenotypic trait for rice breeding in future drought scenarios.
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Affiliation(s)
- Xiaoxiao Wang
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Jianliang Huang
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Shaobing Peng
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Dongliang Xiong
- National Key Laboratory of Crop Genetic Improvement, Hubei Hongshan Laboratory, MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
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Raposo VDMB, Costa VAF, Rodrigues AF. A review of recent developments on drought characterization, propagation, and influential factors. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 898:165550. [PMID: 37459986 DOI: 10.1016/j.scitotenv.2023.165550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/24/2023]
Abstract
Droughts have impacted human society throughout its history. However, the occurrence of severe drought events in the last century and the concerns on the potential effects of climate change have prompted remarkable advances in drought conceptualization and modeling in recent years. This review intends to present the state-of-the-art on drought characterization and propagation, as well as providing insights on how climate dynamics and anthropogenic activities might affect this phenomenon. For this purpose, we first address the distinct concepts of droughts and their relationships. Next, we present two frequently utilized methods based on the run theory for drought characterization and explain the development and recovery stages of droughts. Then, we discuss potential drivers for drought occurrence and propagation, with focus on meteorological factors, catchments' physical characteristics and human activities. Later, we describe how droughts can affect several parameters of water quality. This review also addressed flash droughts, encompassing their definitions, commonly used indices, and potential drivers. Finally, we briefly address the roles of climate change and long-term persistence on future drought scenarios. This review may be useful for researchers and stakeholders for attaining a broader understanding on drought dynamics and impacts.
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Affiliation(s)
- Vinícius de Matos Brandão Raposo
- Federal University of Minas Gerais, Sanitation, Environment and Water Resources Postgraduate Program, Antonio Carlos Avenue, 6627, School of Engineering, Belo Horizonte 31270-901, Minas Gerais, Brazil.
| | - Veber Afonso Figueiredo Costa
- Federal University of Minas Gerais, Sanitation, Environment and Water Resources Postgraduate Program, Antonio Carlos Avenue, 6627, School of Engineering, Belo Horizonte 31270-901, Minas Gerais, Brazil
| | - André Ferreira Rodrigues
- Federal University of Minas Gerais, Sanitation, Environment and Water Resources Postgraduate Program, Antonio Carlos Avenue, 6627, School of Engineering, Belo Horizonte 31270-901, Minas Gerais, Brazil
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Cui X, Wang B, Chen Z, Guo J, Zhang T, Zhang W, Shi L. Comprehensive physiological, transcriptomic, and metabolomic analysis of the key metabolic pathways in millet seedling adaptation to drought stress. PHYSIOLOGIA PLANTARUM 2023; 175:e14122. [PMID: 38148213 DOI: 10.1111/ppl.14122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/22/2023] [Accepted: 12/04/2023] [Indexed: 12/28/2023]
Abstract
Drought is one of the leading environmental constraints that affect the growth and development of plants and, ultimately, their yield and quality. Foxtail millet (Setaria italica) is a natural stress-resistant plant and an ideal model for studying plant drought resistance. In this study, two varieties of foxtail millet with different levels of drought resistance were used as the experimental material. The soil weighing method was used to simulate drought stress, and the differences in growth, photosynthetic physiology, metabolite metabolism, and gene transcriptional expression under drought stress were compared and analyzed. We aimed to determine the physiological and key metabolic regulation pathways of the drought-tolerant millet in resistance to drought stress. The results showed that drought-tolerant millet exhibited relatively stable growth and photosynthetic parameters under drought stress while maintaining a relatively stable level of photosynthetic pigments. The metabolomic, transcriptomic, and gene co-expression network analysis confirmed that the key to adaptation to drought by millet was to enhance lignin metabolism, promote the metabolism of fatty acids to be transformed into cutin and wax, and improve ascorbic acid circulation. These findings provided new insights into the metabolic regulatory network of millet adaptation to drought stress.
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Affiliation(s)
- Xiaomeng Cui
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, China
| | - Bianyin Wang
- Dryland Farming Institute, Hebei Academy of Agricultural and Forestry Science, Hengshui, China
| | - Zhaoyang Chen
- Dryland Farming Institute, Hebei Academy of Agricultural and Forestry Science, Hengshui, China
| | - Jixun Guo
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, China
| | - Tao Zhang
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, China
| | - Wenying Zhang
- Dryland Farming Institute, Hebei Academy of Agricultural and Forestry Science, Hengshui, China
| | - Lianxuan Shi
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, China
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Wang X, Guo X, Ding W, Du N, Guo W, Pang J. Precipitation pattern alters the effects of nitrogen deposition on the growth of alien species Robinia pseudoacacia. Heliyon 2023; 9:e21822. [PMID: 38034734 PMCID: PMC10685202 DOI: 10.1016/j.heliyon.2023.e21822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Aims Nitrogen (N) supply and precipitation pattern (amount and frequency) both affect plant growth. However, N deposition is increasing and precipitation regimes are changing in the context of global change. An experiment was conducted to access how the growth of Robinia pseudoacacia, a widely distributed and cultivated N2-fixing alien species, is affected by both the pattern of precipitation and N supplies. Methods Seedlings were grown in a glasshouse at four different N levels combined with different precipitation regimes, including three precipitation amounts, and two precipitation frequencies. After treatment for 75 days, plant height, biomass allocation, leaf and soil nutrient concentrations were measured. Results Plants under high precipitation frequency had greater biomass compared with plants lower precipitation frequency, despite receiving the same amount of precipitation. Higher N supply reduced biomass allocation to nodules. Under low precipitation level, nodule growth and N2 fixation of R. pseudoacacia was more inhibited by high N deposition compared with plants under higher precipitation level. Even slightly N deposition under higher precipitation inhibited N2 fixation but it was insufficient to meet the N needs of the plants. Conclusions Even at low levels, N deposition might inhibit N2 fixation of plants but low N in soil cannot meet the N requirements of plants, and caused N2 fixation limitation in plants during seedling stage. There was likely a transition from N2 fixation to acquisition of N from soil directly with root when N supply was increased.
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Affiliation(s)
- Xiao Wang
- Institute of Ecology and Biodiversity, School of Life Sciences, Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, 72 Binhai Gonglu, Qingdao, 266237, China
- School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia
- The UWA Institute of Agriculture, The University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia
| | - Xiao Guo
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, 700 Changcheng Road, Qingdao, 266109, China
| | - Wenli Ding
- School of Grassland Sciences, Beijing Forestry University, Beijing, 100083, China
| | - Ning Du
- Institute of Ecology and Biodiversity, School of Life Sciences, Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, 72 Binhai Gonglu, Qingdao, 266237, China
| | - Weihua Guo
- Institute of Ecology and Biodiversity, School of Life Sciences, Shandong Provincial Engineering and Technology Research Center for Vegetation Ecology, Shandong University, 72 Binhai Gonglu, Qingdao, 266237, China
| | - Jiayin Pang
- The UWA Institute of Agriculture, The University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia
- School of Agriculture and Environment, The University of Western Australia, 35 Stirling Highway, Perth, 6009, Australia
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Sharma N, Raman H, Wheeler D, Kalenahalli Y, Sharma R. Data-driven approaches to improve water-use efficiency and drought resistance in crop plants. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 336:111852. [PMID: 37659733 DOI: 10.1016/j.plantsci.2023.111852] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/04/2023]
Abstract
With the increasing population, there lies a pressing demand for food, feed and fibre, while the changing climatic conditions pose severe challenges for agricultural production worldwide. Water is the lifeline for crop production; thus, enhancing crop water-use efficiency (WUE) and improving drought resistance in crop varieties are crucial for overcoming these challenges. Genetically-driven improvements in yield, WUE and drought tolerance traits can buffer the worst effects of climate change on crop production in dry areas. While traditional crop breeding approaches have delivered impressive results in increasing yield, the methods remain time-consuming and are often limited by the existing allelic variation present in the germplasm. Significant advances in breeding and high-throughput omics technologies in parallel with smart agriculture practices have created avenues to dramatically speed up the process of trait improvement by leveraging the vast volumes of genomic and phenotypic data. For example, individual genome and pan-genome assemblies, along with transcriptomic, metabolomic and proteomic data from germplasm collections, characterised at phenotypic levels, could be utilised to identify marker-trait associations and superior haplotypes for crop genetic improvement. In addition, these omics approaches enable the identification of genes involved in pathways leading to the expression of a trait, thereby providing an understanding of the genetic, physiological and biochemical basis of trait variation. These data-driven gene discoveries and validation approaches are essential for crop improvement pipelines, including genomic breeding, speed breeding and gene editing. Herein, we provide an overview of prospects presented using big data-driven approaches (including artificial intelligence and machine learning) to harness new genetic gains for breeding programs and develop drought-tolerant crop varieties with favourable WUE and high-yield potential traits.
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Affiliation(s)
- Niharika Sharma
- NSW Department of Primary Industries, Orange Agricultural Institute, Orange, NSW 2800, Australia.
| | - Harsh Raman
- NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, NSW 2650, Australia
| | - David Wheeler
- NSW Department of Primary Industries, Orange Agricultural Institute, Orange, NSW 2800, Australia
| | - Yogendra Kalenahalli
- International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, Hyderabad, Telangana 502324, India
| | - Rita Sharma
- Department of Biological Sciences, BITS Pilani, Pilani Campus, Rajasthan 333031, India
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AKTAŞ A, ÖZER H, BALOĞLU İ, TONBUL HZ, GÜNEY İ, SELÇUK NY. Individualized hemodialysis: Is similar hemodialysis adequacy possible using less water? Turk J Med Sci 2023; 53:1863-1869. [PMID: 38813487 PMCID: PMC10760548 DOI: 10.55730/1300-0144.5756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 12/12/2023] [Accepted: 10/10/2023] [Indexed: 05/31/2024] Open
Abstract
Background and aim There are over 60,000 hemodialysis (HD) patients in Türkiye, and the number of patients is increasing yearly. Dialysate flow rate (Qd) is a factor in HD adequacy. Approximately 150 L of water are consumed per session to prepare the dialysate. We aimed to investigate whether HD effectiveness can be achieved at a low Qd in different patient groups for the purpose of saving water. Materials and methods This prospective study included 81 HD patients from 2 centers. The patients underwent an aggregate total of 486 HD sessions, including 3 sessions at a Qd of 500 mL/min and 3 sessions at a Qd of 300 mL/min for each patient. We used online Kt/V readings recorded at the end of each dialysis session to compare the effectiveness of these 2 types of HD session performed at a different Qd. Results The online Kt/V readings were similar between the standard (500) and low (300) Qd HD (1.51 ± 0.41 and 1.49 ± 0.44, respectively, p = 0.069). In the subgroup analyses, men had higher online Kt/V values at the standard Qd compared to the low Qd (1.35 ± 0.30 and 1.30 ± 0.32, respectively, p = 0.019), but the Kt/V values were not different for women. While the low Qd did not reduce online Kt/V in patients using small surface area dialysis membranes (1.75 ± 0.35 for 300 Qd and 1.75 ± 0.32 for 500 Qd, p = 0.931), it was associated with reduced online Kt/V in patients using large surface area dialysis membranes (1.12 ± 0.25 for 300 Qd and 1.17 ± 0.24 for 500 Qd, p = 0.006). The low Qd did not result in differences in online Kt/V among low-weight patients. However, online Kt/V values were better with the standard Qd in patients weighing 65 kg and above. Conclusion In our study, dialysis adequacy at a reduced dialysate flow was not inferior for women, patients with low body weight, or patients using small surface area membranes. Individualized HD at a reduced Qd of 300 mL/min in eligible patients can save 48 L of water per HD session and an average of 7500 L of water per year.
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Affiliation(s)
- Ali AKTAŞ
- Department of Internal Medicine, Faculty of Meram Medicine, Necmettin Erbakan University, Konya,
Turkiye
| | - Hakan ÖZER
- Division of Nephrology, Department of Internal Medicine, Konya City Hospital, Konya,
Turkiye
| | - İsmail BALOĞLU
- Division of Nephrology, Department of Internal Medicine, Faculty of Meram Medicine, Necmettin Erbakan University, Konya,
Turkiye
| | - Halil Zeki TONBUL
- Division of Nephrology, Department of Internal Medicine, Faculty of Meram Medicine, Necmettin Erbakan University, Konya,
Turkiye
| | - İbrahim GÜNEY
- Division of Nephrology, Department of Internal Medicine, Konya City Hospital, Konya,
Turkiye
| | - Nedim Yılmaz SELÇUK
- Division of Nephrology, Department of Internal Medicine, Faculty of Meram Medicine, Necmettin Erbakan University, Konya,
Turkiye
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Liu Z, Zhang M, Wang L, Sun W, Li M, Feng C, Yang X. Genome-wide identification and expression analysis of PYL family genes and functional characterization of GhPYL8D2 under drought stress in Gossypium hirsutum. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 203:108072. [PMID: 37827043 DOI: 10.1016/j.plaphy.2023.108072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 09/05/2023] [Accepted: 09/29/2023] [Indexed: 10/14/2023]
Abstract
Cotton is a crucial economic crop, serving as a natural fiber source for the textile industry. However, drought stress poses a significant threat to cotton fiber quality and productivity worldwide. Pyrabactin Resistance 1-Like (PYL) proteins, as abscisic acid (ABA) receptors, play a crucial role in adverse stress responses, but knowledge about the PYLs in cotton remains limited. In our study, we identified 40 GhPYL genes in Gossypium hirsutum through a genome-wide analysis of the cotton genome database. Our analysis revealed that the PYL family formed three distinct subfamilies with typical family characteristics in G. hirsutum. Additionally, through quantitative expression analysis, including transcriptome dataset and qRT-PCR, we found that all GhPYLs were expressed in all tissues of G. hirsutum, and all GhPYLs were differentially expressed under drought stress. Among them, GhPYL4A1, GhPY5D1, GhPY8D2, and a member of the type 2C protein phosphatases clade A family in Gossypium hirsutum (GhPP2CA), GhHAI2D, showed significant differences in expression levels within 12 h after stress treatment. Our protein interaction analysis and BiFC demonstrated the complex regulatory network between GhPYL family proteins and GhPP2CA proteins. We also found that there is an interaction between GhPYL8D2 and GhHAI2D, and through drought treatment of transgenic cotton, we found that GhPYL8D2 played a vital role in the response of G. hirsutum to drought through stomatal control via co-regulation with GhHAI2D. Our findings provide useful insights into the regulation of GhPYL family genes that occur in response to abiotic stresses in cotton.
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Affiliation(s)
- Zhilin Liu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Mengmeng Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Lichen Wang
- College of Life Science, Linyi University, Linyi, 276000, Shandong, PR China.
| | - Weinan Sun
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Meng Li
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Cheng Feng
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
| | - Xiyan Yang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China.
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Fang J, Wei S, Gao Y, Zhang X, Cheng Y, Wang J, Ma J, Shi G, Bai L, Xie R, Zhao X, Ren Y, Lu Z. Character variation of root space microbial community composition in the response of drought-tolerant spring wheat to drought stress. Front Microbiol 2023; 14:1235708. [PMID: 37779714 PMCID: PMC10541208 DOI: 10.3389/fmicb.2023.1235708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 08/31/2023] [Indexed: 10/03/2023] Open
Abstract
Drought is the most prevalent environmental stress in crop production, posing a significant danger to food security. Microorganisms in the crop root zone affect crop growth and development, enhance effective nutrient use, and resist adversity hazards. To analyze the changes and functional differences of root space microbial (endosphere-rhizosphere-bulk soil) communities in spring wheat under drought stress. In this study, the root, rhizosphere, and bulk soil of the drought-tolerant group (DTG, three varieties) and drought-sensitive group (DSG, three varieties) were collected. The control (CK, 25-28%), moderate drought (MD, 15-18%), and severe drought (SD, 9-12%) were analyzed by high-throughput sequencing and bioinformatics. The results showed significant differences in the diversity of Bacteria and Fungi in the root space of spring wheat under drought stress (P < 0.05), with the drought-tolerant group exhibiting higher microbial diversity. The microbial community change in spring wheat root space was mainly determined by the niche differentiation of endosphere, rhizosphere, and bulk soil and declined from endosphere to bulk soil due to drought. The antagonism between microbial and root-space species increased, and the community's complexity and stability deteriorated. Enriching drought-resistant preference groups like Actinobaciota, Variovorax, Streptomyces, and Conocybe altered the structure and function of the microbial community in the root space of spring wheat. Spring wheat's root space Bacteria and Fungi have different strategies to respond to drought.
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Affiliation(s)
- Jing Fang
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Shuli Wei
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Yanrong Gao
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Xiangqian Zhang
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
- College of Agronomy, Inner Mongolia Agricultural University, Hohhot, China
| | - Yuchen Cheng
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Jianguo Wang
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Jie Ma
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
| | - Gongfu Shi
- School of Life Science, Inner Mongolia University, Hohhot, China
| | - Lanfang Bai
- College of Agronomy, Inner Mongolia Agricultural University, Hohhot, China
| | - Rui Xie
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Xiaoqing Zhao
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Yongfeng Ren
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
| | - Zhanyuan Lu
- School of Life Science, Inner Mongolia University, Hohhot, China
- Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China
- Key Laboratory of Black Soil Protection and Utilization (Hohhot), Ministry of Agriculture and Rural Affairs, Hohhot, China
- Inner Mongolia Key Laboratory of Degradation Farmland Ecological Restoration and Pollution Control, Hohhot, China
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Masoudi M, Asrari E. Hazard assessment of global warming around the world using GIS. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1025. [PMID: 37550564 DOI: 10.1007/s10661-023-11464-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 06/05/2023] [Indexed: 08/09/2023]
Abstract
Global warming is among the important environmental problems of the earth. The present research aims to study temperature variations around the world. For this purpose, the monthly temperature data of 178 points from the NOAA site were studied from 1950 to 2019. In this study, the temperature changes were investigated in terms of its increase, decrease, and significance level by the Mann-Kendall method. Geographic Information System (GIS) and interpolation methods were used to determine the changes in temperature in global warming maps. According to the obtained results, except for 3.8% of the designated area, other parts of the world show change toward warmer conditions. Overall, the world's land temperature has increased by 1.08℃ during the study period. Also, about 85% of the designated area shows moderate and severe hazardous conditions in terms of global warming. The spatial analysis showed higher change and hazardous conditions for global warming in mid-longitude and high-latitude close to both poles.
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Affiliation(s)
- Masoud Masoudi
- Department of Natural Resources and Environmental Engineering, School of Agricultural, Shiraz University, Shiraz, Iran.
| | - Elham Asrari
- Department of Civil Engineering, Payame Noor University, Tehran, Iran
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Melton AE, Moran K, Martinez P, Ellestad P, Milliken E, Morales W, Child AW, Richardson BA, Serpe M, Novak SJ, Buerki S. A genotype × environment experiment reveals contrasting response strategies to drought between populations of a keystone species ( Artemisia tridentata; Asteraceae). PLANT-ENVIRONMENT INTERACTIONS (HOBOKEN, N.J.) 2023; 4:201-214. [PMID: 37583876 PMCID: PMC10423975 DOI: 10.1002/pei3.10119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 06/18/2023] [Accepted: 07/11/2023] [Indexed: 08/17/2023]
Abstract
Western North America has been experiencing persistent drought exacerbated by climate change for over two decades. This extreme climate event is a clear threat to native plant communities. Artemisia tridentata is a keystone shrub species in western North America and is threatened by climate change, urbanization, and wildfire. A drought Genotype × Environment (G × E) experiment was conducted to assess phenotypic plasticity and differential gene expression in A. tridentata. The G × E experiment was performed on diploid A. tridentata seedlings from two populations (one from Idaho, USA and one from Utah, USA), which experience differing levels of drought stress during the summer months. Photosynthetic data, leaf temperature, and gene expression levels were compared between treatments and populations. The Utah population maintained higher photosynthetic rates and photosynthetic efficiency than the Idaho population under drought stress. The Utah population also exhibited far greater transcriptional plasticity than the Idaho population and expressed genes of response pathways distinct from those of the Idaho population. Populations of A. tridentata differ greatly in their drought response pathways, likely due to differences in response pathways that have evolved under distinct climatic regimes. Epigenetic processes likely contribute to the observed differences between the populations.
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Affiliation(s)
- Anthony E. Melton
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Kara Moran
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Peggy Martinez
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Paige Ellestad
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Erin Milliken
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Walker Morales
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Andrew W. Child
- Research Computing and Data ServicesUniversity of IdahoMoscowIdahoUSA
| | | | - Marcelo Serpe
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Stephen J. Novak
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
| | - Sven Buerki
- Department of Biological SciencesBoise State UniversityBoiseIdahoUSA
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Zhong Y, Hu E, Wu Y, An Q, Wang C, Bai H, Gao W. Reconstructing a long-term water storage-based drought index in the Yangtze River Basin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 883:163403. [PMID: 37059147 DOI: 10.1016/j.scitotenv.2023.163403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 06/03/2023]
Abstract
Drought is a prolonged dry period in the natural climate cycle, and is one of the most costly weather events. The Gravity Recovery and Climate Experiment (GRACE) derived terrestrial water storage anomalies (TWSA) have been widely used to assess drought severity. However, the relatively short cover period of GRACE and GRACE Follow-On limit our knowledge about the characterization and evolution of drought over decades time scale. This study proposes a standardized GRACE reconstructed TWSA index (SGRTI) to assess the drought severity based on a statistical reconstruction method calibrated by GRACE observations. Results show that the SGRTI correlates well with 6-month scale SPI and SPEI, with correlation coefficients reaching 0.79 and 0.81 in the YRB from 1981 to 2019. Soil moisture can capture drought condition like the SGRTI, while cannot further reflect deeper water storage depletion. The SGRTI is also comparable to the SRI and in-situ water level. As a case study for the Yangtze River Basin, its three sub-basins experience more frequent droughts, shorter drought duration, and lower severity drought, as identified by SGRTI during 1992-2019 relative to 1963-1991. The presented SGRTI in this study can provide a valuable supplement to the drought index before the GRACE era.
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Affiliation(s)
- Yulong Zhong
- School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan 430078, China; Artificial Intelligence School, Wuchang University of Technology, Wuhan 430223, China
| | - E Hu
- School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan 430078, China
| | - Yunlong Wu
- School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan 430078, China
| | - Qing An
- Artificial Intelligence School, Wuchang University of Technology, Wuhan 430223, China
| | - Changqing Wang
- State Key Laboratory of Geodesy and Earth's Dynamics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430077, China.
| | - Hongbing Bai
- School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan 430078, China
| | - Wei Gao
- School of Geography and Information Engineering, China University of Geosciences (Wuhan), Wuhan 430078, China
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Ning D, Zhang Y, Li X, Qin A, Huang C, Fu Y, Gao Y, Duan A. The Effects of Foliar Supplementation of Silicon on Physiological and Biochemical Responses of Winter Wheat to Drought Stress during Different Growth Stages. PLANTS (BASEL, SWITZERLAND) 2023; 12:2386. [PMID: 37376009 DOI: 10.3390/plants12122386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 06/15/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023]
Abstract
Drought is one of the major environmental stresses, resulting in serious yield reductions in wheat production. Silicon (Si) has been considered beneficial to enhancing wheat resistance to drought stress. However, few studies have explored the mediated effects of foliar supplementation of Si on drought stress imposed at different wheat growth stages. Therefore, a field experiment was carried out to investigate the effects of Si supplementation on the physiological and biochemical responses of wheat to drought stress imposed at the jointing (D-jointing), anthesis (D-anthesis) and filling (D-filling) stages. Our results showed that a moderate water deficit markedly decreased the dry matter accumulation, leaf relative water content (LRWC), photosynthetic rate (Pn), stomatal conductance (Sc), transpiration rate (Tr) and antioxidant activity [peroxidase (POD), superoxide dismutase (SOD) and catalase (CAT)]. On the contrary, it remarkably increased the content of osmolytes (proline, soluble sugar, soluble protein) and lipid peroxidation. The grain yields of D-jointing, D-anthesis and D-filling treatments were 9.59%, 13.9% and 18.9% lower, respectively, compared to the control treatment (CK). However, foliar supplementation of Si at the anthesis and filling stages significantly improved plant growth under drought stress due to the increased Si content. Consequently, the improvement in antioxidant activity and soluble sugar, and the reduction in the content of ROS, increased the LRWC, chlorophyll content, Pn, Sc and Tr, and ultimately boosted wheat yield by 5.71% and 8.9%, respectively, in comparison with the non-Si-treated plants subjected to water stress at the anthesis and filling stages. However, the mitigating effect of Si application was not significant at the jointing stage. It was concluded that foliar supplementation of Si, especially at the reproductive stage, was effective in alleviating drought-induced yield reduction.
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Affiliation(s)
- Dongfeng Ning
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Yingying Zhang
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Xiaojing Li
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Anzhen Qin
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Chao Huang
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Yuanyuan Fu
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Yang Gao
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
| | - Aiwang Duan
- Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture and Rural Affairs, Institute of Farmland Irrigation Research, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China
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Li D, Memmott J, Clements CF. Corridor quality buffers extinction under extreme droughts in experimental metapopulations. Ecol Evol 2023; 13:e10166. [PMID: 37274153 PMCID: PMC10234780 DOI: 10.1002/ece3.10166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/26/2023] [Accepted: 05/23/2023] [Indexed: 06/06/2023] Open
Abstract
Corridors with good-quality habitats maintain the spatial dynamics of metapopulations by promoting dispersal between habitat patches, potentially buffering populations, and communities against continued global change. However, this function is threatened by habitats becoming increasingly fragmented, and habitat matrices becoming increasingly inhospitable, potentially reducing the resilience and persistence of populations. Yet, we lack a clear understanding of how reduced corridor quality interacts with rates of environmental change to destabilize populations. Using laboratory microcosms containing metapopulations of the Collembola Folsomia candida, we investigate the impact of corridor quality on metapopulation persistence under a range of simulated droughts, a key stressor for this species. We manipulated both drought severity and the number of patches affected by drought across landscapes connected by either good- or poor-quality corridors. We measured the time of metapopulation extinction, the maximum rate of metapopulation decline, and the variability of abundance among patches as criteria to evaluate the persistence ability of metapopulations. We show that while drought severity negatively influenced the time of metapopulation extinction and the increase in drought patches caused metapopulation decline, these results were mitigated by good-quality corridors, which increased metapopulation persistence time and decreased both how fast metapopulations declined and the interpatch variability in abundances. Our results suggest that enhancing corridor quality can increase the persistence of metapopulations, increasing the time available for conservation actions to take effect, and/or for species to adapt or move in the face of continued stress. Given that fragmentation increases the isolation of habitats, improving the quality of habitat corridors may provide a useful strategy to enhance the resistance of spatially structured populations.
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Affiliation(s)
- Dongbo Li
- School of Biological SciencesUniversity of BristolBristolUK
| | - Jane Memmott
- School of Biological SciencesUniversity of BristolBristolUK
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45
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Pohl F, Rakovec O, Rebmann C, Hildebrandt A, Boeing F, Hermanns F, Attinger S, Samaniego L, Kumar R. Long-term daily hydrometeorological drought indices, soil moisture, and evapotranspiration for ICOS sites. Sci Data 2023; 10:281. [PMID: 37179354 PMCID: PMC10183025 DOI: 10.1038/s41597-023-02192-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
Eddy covariance sites are ideally suited for the study of extreme events on ecosystems as they allow the exchange of trace gases and energy fluxes between ecosystems and the lower atmosphere to be directly measured on a continuous basis. However, standardized definitions of hydroclimatic extremes are needed to render studies of extreme events comparable across sites. This requires longer datasets than are available from on-site measurements in order to capture the full range of climatic variability. We present a dataset of drought indices based on precipitation (Standardized Precipitation Index, SPI), atmospheric water balance (Standardized Precipitation Evapotranspiration Index, SPEI), and soil moisture (Standardized Soil Moisture Index, SSMI) for 101 ecosystem sites from the Integrated Carbon Observation System (ICOS) with daily temporal resolution from 1950 to 2021. Additionally, we provide simulated soil moisture and evapotranspiration for each site from the Mesoscale Hydrological Model (mHM). These could be utilised for gap-filling or long-term research, among other applications. We validate our data set with measurements from ICOS and discuss potential research avenues.
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Affiliation(s)
- Felix Pohl
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany.
| | - Oldrich Rakovec
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
- Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Kamýcká 129, Praha-Suchdol, 165 00, Czech Republic
| | - Corinna Rebmann
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
| | - Anke Hildebrandt
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
- Friedrich Schiller University Jena, Institute of Geoscience, Burgweg 11, 07749, Jena, Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstrasse 4, 04103, Leipzig, Germany
| | - Friedrich Boeing
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
| | - Floris Hermanns
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
| | - Sabine Attinger
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
- University of Potsdam, Institute of Environmental Science and Geography, Am Neuen Palais 10, 14469, Potsdam, Germany
| | - Luis Samaniego
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
- University of Potsdam, Institute of Environmental Science and Geography, Am Neuen Palais 10, 14469, Potsdam, Germany
| | - Rohini Kumar
- Helmholtz-Centre for Environmental Research, Permoserstraße 15, 04318, Leipzig, Germany
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46
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Gajardo HA, Gómez-Espinoza O, Boscariol Ferreira P, Carrer H, Bravo LA. The Potential of CRISPR/Cas Technology to Enhance Crop Performance on Adverse Soil Conditions. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091892. [PMID: 37176948 PMCID: PMC10181257 DOI: 10.3390/plants12091892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Worldwide food security is under threat in the actual scenery of global climate change because the major staple food crops are not adapted to hostile climatic and soil conditions. Significant efforts have been performed to maintain the actual yield of crops, using traditional breeding and innovative molecular techniques to assist them. However, additional strategies are necessary to achieve the future food demand. Clustered regularly interspaced short palindromic repeat/CRISPR-associated protein (CRISPR/Cas) technology, as well as its variants, have emerged as alternatives to transgenic plant breeding. This novelty has helped to accelerate the necessary modifications in major crops to confront the impact of abiotic stress on agriculture systems. This review summarizes the current advances in CRISPR/Cas applications in crops to deal with the main hostile soil conditions, such as drought, flooding and waterlogging, salinity, heavy metals, and nutrient deficiencies. In addition, the potential of extremophytes as a reservoir of new molecular mechanisms for abiotic stress tolerance, as well as their orthologue identification and edition in crops, is shown. Moreover, the future challenges and prospects related to CRISPR/Cas technology issues, legal regulations, and customer acceptance will be discussed.
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Affiliation(s)
- Humberto A Gajardo
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
| | - Olman Gómez-Espinoza
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
- Centro de Investigación en Biotecnología, Escuela de Biología, Instituto Tecnológico de Costa Rica, Cartago 30101, Costa Rica
| | - Pedro Boscariol Ferreira
- Department of Biological Sciences, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, Piracicaba 13418-900, Brazil
| | - Helaine Carrer
- Department of Biological Sciences, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, Piracicaba 13418-900, Brazil
| | - León A Bravo
- Laboratorio de Fisiología y Biología Molecular Vegetal, Instituto de Agroindustria, Departamento de Ciencias Agronómicas y Recursos Naturales, Facultad de Ciencias Agropecuarias y Medioambiente & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 1145, Chile
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47
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Barkaoui K, Volaire F. Drought survival and recovery in grasses: Stress intensity and plant-plant interactions impact plant dehydration tolerance. PLANT, CELL & ENVIRONMENT 2023; 46:1489-1503. [PMID: 36655754 DOI: 10.1111/pce.14543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 01/07/2023] [Accepted: 01/16/2023] [Indexed: 06/17/2023]
Abstract
Plant dehydration tolerance confers drought survival in grasses, but the mortality thresholds according to soil water content (SWC), vapour pressure deficit (VPD) and plant-plant interactions are little explored. We compared the dehydration dynamics of leaf meristems, which are the key surviving organs, plant mortality, and recovery of Mediterranean and temperate populations of two perennial grass species, Dactylis glomerata and Festuca arundinacea, grown in monocultures and mixtures under a low-VPD (1.5 kPa) versus a high-VPD drought (2.2 kPa). The lethal drought index (LD50 ), that is, SWC associated with 50% plant mortality, ranged from 2.87% (ψs = -1.68 MPa) to 2.19% (ψs = -4.47 MPa) and reached the lowest values under the low-VPD drought. Populations of D. glomerata were more dehydration-tolerant (lower LD50 ), survived and recovered better than F. arundinacea populations. Plant-plant interactions modified dehydration tolerance and improved post-drought recovery in mixtures compared with monocultures. Water content as low as 20.7%-36.1% in leaf meristems allowed 50% of plants to survive. We conclude that meristem dehydration causes plant mortality and that drought acclimation can increase dehydration tolerance. Genetic diversity, acclimation and plant-plant interactions are essential sources of dehydration tolerance variability to consider when predicting drought-induced mortality.
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Affiliation(s)
- Karim Barkaoui
- CIRAD, UMR ABSys, F-34398 Montpellier, France
- ABSys, Univ Montpellier, CIHEAM-IAMM, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Florence Volaire
- CEFE, Univ Montpellier, CNRS, EPHE, IRD, INRAE, Montpellier, France
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48
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Yuan X, Wang Y, Ji P, Wu P, Sheffield J, Otkin JA. A global transition to flash droughts under climate change. Science 2023; 380:187-191. [PMID: 37053316 DOI: 10.1126/science.abn6301] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
Flash droughts have occurred frequently worldwide, with a rapid onset that challenges drought monitoring and forecasting capabilities. However, there is no consensus on whether flash droughts have become the new normal because slow droughts may also increase. In this study, we show that drought intensification rates have sped up over subseasonal time scales and that there has been a transition toward more flash droughts over 74% of the global regions identified by the Intergovernmental Panel on Climate Change Special Report on Extreme Events during the past 64 years. The transition is associated with amplified anomalies of evapotranspiration and precipitation deficit caused by anthropogenic climate change. In the future, the transition is projected to expand to most land areas, with larger increases under higher-emission scenarios. These findings underscore the urgency for adapting to faster-onset droughts in a warmer future.
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Affiliation(s)
- Xing Yuan
- School of Hydrology and Water Resources, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
- Key Laboratory of Hydrometeorological Disaster Mechanism and Warning of Ministry of Water Resources/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
| | - Yumiao Wang
- School of Hydrology and Water Resources, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
- Key Laboratory of Hydrometeorological Disaster Mechanism and Warning of Ministry of Water Resources/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
| | - Peng Ji
- School of Hydrology and Water Resources, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
- Key Laboratory of Hydrometeorological Disaster Mechanism and Warning of Ministry of Water Resources/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu, China
| | - Peili Wu
- Met Office Hadley Centre, Exeter EX1 3PB, UK
| | - Justin Sheffield
- Geography and Environmental Science, University of Southampton, Southampton SO17 1BJ, UK
| | - Jason A Otkin
- Cooperative Institute for Meteorological Satellite Studies, Space Science and Engineering Center, University of Wisconsin-Madison, Madison, WI 53706, USA
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49
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Li G, Wang K, Qin Q, Li Q, Mo F, Nangia V, Liu Y. Integrated Microbiome and Metabolomic Analysis Reveal Responses of Rhizosphere Bacterial Communities and Root exudate Composition to Drought and Genotype in Rice (Oryza sativa L.). RICE (NEW YORK, N.Y.) 2023; 16:19. [PMID: 37039929 PMCID: PMC10090257 DOI: 10.1186/s12284-023-00636-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/04/2023] [Indexed: 06/19/2023]
Abstract
BACKGROUND As climate change events become more frequent, drought is an increasing threat to agricultural production and food security. Crop rhizosphere microbiome and root exudates are critical regulators for drought adaptation, yet our understanding on the rhizosphere bacterial communities and root exudate composition as affected by drought stress is far from complete. In this study, we performed 16S rRNA gene amplicon sequencing and widely targeted metabolomic analysis of rhizosphere soil and root exudates from two contrasting rice genotypes (Nipponbare and Luodao 998) exposed to drought stress. RESULTS A reduction in plant phenotypes was observed under drought, and the inhibition was greater for roots than for shoots. Additionally, drought exerted a negligible effect on the alpha diversity of rhizosphere bacterial communities, but obviously altered their composition. In particular, drought led to a significant enrichment of Actinobacteria but a decrease in Firmicutes. We also found that abscisic acid in root exudates was clearly higher under drought, whereas lower jasmonic acid and L-cystine concentrations. As for plant genotypes, variations in plant traits of the drought-tolerant genotype Luodao 998 after drought were smaller than those of Nipponbare. Interestingly, drought triggered an increase in Bacillus, as well as an upregulation of most organic acids and a downregulation of all amino acids in Luodao 998. Notably, both Procrustes analysis and Mantel test demonstrated that rhizosphere microbiome and root exudate metabolomic profiles were highly correlated. A number of differentially abundant genera responded to drought and genotype, including Streptomyces, Bacillus and some members of Actinobacteria, were significantly associated with organic acid and amino acid contents in root exudates. Further soil incubation experiments showed that Streptomyces was regulated by abscisic acid and jasmonic acid under drought. CONCLUSIONS Our results reveal that both drought and genotype drive changes in the compositions of rice rhizosphere bacterial communities and root exudates under the greenhouse condition, and that organic acid exudation and suppression of amino acid exudation to select specific rhizosphere bacterial communities may be an important strategy for rice to cope with drought. These findings have important implications for improving the adaptability of rice to drought from the perspective of plant-microbe interactions.
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Affiliation(s)
- Gege Li
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Kexin Wang
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qun Qin
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Qi Li
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Fei Mo
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Vinay Nangia
- International Center for Agricultural Research in the Dry Areas, 999055, Rabat, Morocco
| | - Yang Liu
- College of Agronomy, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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50
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Vicario DR, Holman I, Sutcliffe C, Hess T. Synergies and trade-offs in drought resilience within a multi-level UK food supply chain. REGIONAL ENVIRONMENTAL CHANGE 2023; 23:55. [PMID: 37033697 PMCID: PMC10073057 DOI: 10.1007/s10113-023-02046-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 02/11/2023] [Indexed: 06/09/2023]
Abstract
Weather extremes are the biggest challenge for supply chains worldwide, with food supply chains particularly exposed due to agriculture's sensitivity to weather conditions. Whilst attention has been paid to farm-level impacts from, and adaptation to, weather extremes, there remains a need to better understand how different actors along the supply chain suffer, react and adapt to these natural hazards and how their resilience-building strategies affect other actors' and the whole system's resilience. Taking the UK potato supply chain as a case study, this paper analyses the synergies and trade-offs in drought resilience in a multi-level food supply chain. Data from an online survey (87) and interviews with key informants (27) representing potato supply-chain actors (growers, packers, processors, retailers) were used to analyse drought risk perceptions, impacts and coping strategies, long-term resilience measures and further actions to build system resilience. Results suggest that the potato supply chain has increased its resilience to weather extremes due to retailers and packers having a wider geographical spread of supply, an increasing reliance on forward contracts and favouring growers with water security. However, a conceptual framework of resilience-building strategies adopted by supply chain actors shows that these measures are largely designed to reduce their own risk without considering implications for other parts of the chain and the system as a whole. A more integrated approach to promote drought resilience in complex food supply chains that enables improved vertical collaboration and trust between actors is therefore needed.
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Affiliation(s)
- Dolores Rey Vicario
- Centre for Water, Environment and Development, Cranfield University, Cranfield, Bedford, MK43 0AL UK
| | - Ian Holman
- Centre for Water, Environment and Development, Cranfield University, Cranfield, Bedford, MK43 0AL UK
| | - Chloe Sutcliffe
- Centre for Water, Environment and Development, Cranfield University, Cranfield, Bedford, MK43 0AL UK
- Science and Collections Division, Royal Horticultural Society, Wisley, Woking UK
| | - Tim Hess
- Centre for Water, Environment and Development, Cranfield University, Cranfield, Bedford, MK43 0AL UK
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