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Jia Q, Zhou M, Xiong Y, Wang J, Xu D, Zhang H, Liu X, Zhang W, Wang Q, Sun X, Chen H. Development of KASP markers assisted with soybean drought tolerance in the germination stage based on GWAS. FRONTIERS IN PLANT SCIENCE 2024; 15:1352379. [PMID: 38425800 PMCID: PMC10902137 DOI: 10.3389/fpls.2024.1352379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
Soybean [Glycine max(L.)Merr.] is a leading oil-bearing crop and cultivated globally over a vast scale. The agricultural landscape in China faces a formidable challenge with drought significantly impacting soybean production. In this study, we treated a natural population of 264 Chinese soybean accessions using 15% PEG-6000 and used GR, GE, GI, RGR, RGE, RGI and ASFV as evaluation index. Using the ASFV, we screened 17 strong drought-tolerant soybean germplasm in the germination stage. Leveraging 2,597,425 high-density SNP markers, we conducted Genome-Wide Association Studies (GWAS) and identified 92 SNPs and 9 candidate genes significantly associated with drought tolerance. Furthermore, we developed two KASP markers for S14_5147797 and S18_53902767, which closely linked to drought tolerance. This research not only enriches the pool of soybean germplasm resources but also establishes a robust foundation for the molecular breeding of drought tolerance soybean varieties.
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Affiliation(s)
- Qianru Jia
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Miaomiao Zhou
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yawen Xiong
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- College of Life Science, Nanjing Agricultural University, Nanjing, China
| | - Junyan Wang
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Donghe Xu
- Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Japan
| | - Hongmei Zhang
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Xiaoqing Liu
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Wei Zhang
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Qiong Wang
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Xin Sun
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Huatao Chen
- Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing, China
- Zhongshan Biological Breeding Laboratory (ZSBBL), Nanjing, China
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Li Q, Xu Y, Liu YQ, Qin L. Lipid and Amino Acid Pathway Metabolites Contribute to Cold Tolerance in Quercus wutaishanica. Metabolites 2023; 13:1094. [PMID: 37887419 PMCID: PMC10608989 DOI: 10.3390/metabo13101094] [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: 09/21/2023] [Revised: 10/17/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023] Open
Abstract
Cold is an important environmental stress affecting the growth, productivity, and geographic distribution of tree species. Oaks are important for environmental conservation and wood supplies. Oak metabolites respond to low temperatures (LTs). In this study, the physiological and metabolic responses of two oak species to cold stress were investigated and compared. The field observations and physiological responses showed that Quercus wutaishanica was more cold-tolerant than Q. acutissima. After frost, the one-year-old twigs of Q. wutaishanica had higher survival rates, accumulated more soluble sugar and protein, and exhibited higher superoxide dismutase (SOD) activity than those of Q. acutissima. Untargeted metabolomics identified 102 and 78 differentially accumulated metabolites in Q. acutissima and Q. wutaishanica, respectively, when the leaves were subjected to LTs (4 °C for 24 h). The carbohydrate and flavonoid metabolites contributed to the cold tolerance of both oak species. Succinate, an intermediate in the citric acid cycle, was significantly inhibited by LTs, a potential energy conservation strategy. Unlike Q. acutissima, Q. wutaishanica underwent metabolic reprogramming that significantly increased the contents of phosphatidylcholine, gallic acid, oxidized glutathione, shikimate, and phenylpyruvate under LTs. Our data provide a reference for characterizing the mechanisms involved in the response of oak species to cold temperatures and enhancing the cold tolerance of forest trees.
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Affiliation(s)
| | | | - Yan-Qun Liu
- Department of Sericulture, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China; (Q.L.); (Y.X.)
| | - Li Qin
- Department of Sericulture, College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang 110866, China; (Q.L.); (Y.X.)
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Cheng M, Zheng J, Cui K, Luo X, Yang T, Pan Z, Zhou Y, Chen S, Chen Y, Wang H, Zhang R, Yao M, Li H, He R. Transcriptomics integrated with metabolomics provides a new strategy for mining key genes in response to low temperature stress in Helictotrichon virescens. Int J Biol Macromol 2023:125070. [PMID: 37244338 DOI: 10.1016/j.ijbiomac.2023.125070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 04/24/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
H. virescens is a perennial herbaceous plant with highly tolerant to cold weather, but the key genes that respond to low temperature stress still remain unclear. Hence, RNA-seq was performed using leaves of H. virescens treated at 0 °C and 25 °C for 12 h, 36 h, and 60 h, respectively, and a total of 9416 DEGs were significantly enriched into seven KEGG pathways. The LC-QTRAP platform was performed using leaves of H. virescens leaves at 0 °C and 25 °C for 12 h, 36 h, and 60 h, respectively, and a total of 1075 metabolites were detected, which were divided into 10 categories. Additionally, 18 major metabolites, two key pathways, and six key genes were mined using a multi-omics analytical strategy. The RT-PCR results showed that with the extension of treatment time, the expression levels of key genes in the treatment group gradually increased, and the difference between the treatment group and the control group was extremely significant. Notably, the functional verification results showed that the key genes positively regulated cold tolerance of H. virescens. These results can lay a foundation for the in-depth analysis of the mechanism of response of perennial herbs to low temperature stress.
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Affiliation(s)
- Mingjun Cheng
- Institute of Qinghai-tibetan Plateau, Southwest Minzu University, Chengdu 610041, China; Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Junjun Zheng
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Kuoshu Cui
- Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Xuan Luo
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Tao Yang
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Zeyang Pan
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Zhou
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Shiyong Chen
- Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China; College of Animal and Veterinary Sciences, Southwest Minzu University, Chengdu 610041, China
| | - Youjun Chen
- Institute of Qinghai-tibetan Plateau, Southwest Minzu University, Chengdu 610041, China; Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Hui Wang
- Institute of Qinghai-tibetan Plateau, Southwest Minzu University, Chengdu 610041, China; Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Ruizhen Zhang
- Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Mingjiu Yao
- Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Hongquan Li
- Sichuan ZoigeAlpine Wetland Ecosystem National Observationand Research Station, Southwest Minzu University, Chengdu 610041, China
| | - Ruyu He
- Maize Research Institute, Sichuan Agricultural University, Chengdu 611130, China.
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Gago J, Nadal M, Clemente-Moreno MJ, Figueroa CM, Medeiros DB, Cubo-Ribas N, Cavieres LA, Gulías J, Fernie AR, Flexas J, Bravo LA. Nutrient availability regulates Deschampsia antarctica photosynthetic and stress tolerance performance in Antarctica. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:2620-2637. [PMID: 36880307 DOI: 10.1093/jxb/erad043] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 03/05/2023] [Indexed: 06/06/2023]
Abstract
Deschampsia antarctica is one of the only two native vascular plants in Antarctica, mostly located in the ice-free areas of the Peninsula's coast and adjacent islands. This region is characterized by a short growing season, frequent extreme climatic events, and soils with reduced nutrient availability. However, it is unknown whether its photosynthetic and stress tolerance mechanisms are affected by the availability of nutrients to deal with this particular environment. We studied the photosynthetic, primary metabolic, and stress tolerance performance of D. antarctica plants growing on three close sites (<500 m) with contrasting soil nutrient conditions. Plants from all sites showed similar photosynthetic rates, but mesophyll conductance and photobiochemistry were more limiting (~25%) in plants growing on low-nutrient availability soils. Additionally, these plants showed higher stress levels and larger investments in photoprotection and carbon pools, most probably driven by the need to stabilize proteins and membranes, and remodel cell walls. In contrast, when nutrients were readily available, plants shifted their carbon investment towards amino acids related to osmoprotection, growth, antioxidants, and polyamines, leading to vigorous plants without appreciable levels of stress. Taken together, these findings demonstrate that D. antarctica displays differential physiological performances to cope with adverse conditions depending on resource availability, allowing it to maximize stress tolerance without jeopardizing photosynthetic capacity.
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Affiliation(s)
- Jorge Gago
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
| | - Miquel Nadal
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
- Departamento de Sistemas Agrícolas, Forestales y Medio Ambiente, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avda. Montañana 930, 50059 Zaragoza, Spain
| | - María José Clemente-Moreno
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
| | - Carlos María Figueroa
- Instituto de Agrobiotecnología del Litoral, UNL, CONICET, FBCB, 3000 Santa Fe, Argentina
| | - David Barbosa Medeiros
- Central Metabolism Group, Molecular Physiology Department, Max-Planck-Institut für Molekulare Pflanzenphysiologie, Golm, Germany
| | - Neus Cubo-Ribas
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
| | - Lohengrin Alexis Cavieres
- Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción and Instituto de Ecología y Biodiversidad (IEB), Concepción, Chile
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus. Universidad de La Frontera, Temuco, Chile
| | - Javier Gulías
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
| | - Alisdair Robert Fernie
- Central Metabolism Group, Molecular Physiology Department, Max-Planck-Institut für Molekulare Pflanzenphysiologie, Golm, Germany
| | - Jaume Flexas
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)/Instituto de Investigaciones Agroambientales y de Economía del Agua (INAGEA), Ctra. Valldemossa km 7.5, 07122 Palma, Spain
| | - León Aloys Bravo
- Laboratorio de Fisiología y Biología Molecular Vegetal, Dpt. de Cs. Agronómicas y Recursos Naturales, Facultad de Cs. Agropecuarias y Forestales, Instituto de Agroindustria, Universidad de La Frontera, Temuco, Chile
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de Francisco Martínez P, Morgante V, González-Pastor JE. Isolation of novel cold-tolerance genes from rhizosphere microorganisms of Antarctic plants by functional metagenomics. Front Microbiol 2022; 13:1026463. [DOI: 10.3389/fmicb.2022.1026463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/25/2022] [Indexed: 11/19/2022] Open
Abstract
The microorganisms that thrive in Antarctica, one of the coldest environments on the planet, have developed diverse adaptation mechanisms to survive in these extreme conditions. Through functional metagenomics, in this work, 29 new genes related to cold tolerance have been isolated and characterized from metagenomic libraries of microorganisms from the rhizosphere of two Antarctic plants. Both libraries were hosted in two cold-sensitive strains of Escherichia coli: DH10B ΔcsdA and DH10B ΔcsdA Δrnr. The csdA gene encodes a DEAD-box RNA helicase and rnr gene encodes an exoribonuclease, both essential for cold-adaptation. Cold-tolerance tests have been carried out in solid and liquid media at 15°C. Among the cold-tolerance genes identified, 12 encode hypothetical and unknown proteins, and 17 encode a wide variety of different proteins previously related to other well-characterized ones involved in metabolism reactions, transport and membrane processes, or genetic information processes. Most of them have been connected to cold-tolerance mechanisms. Interestingly, 13 genes had no homologs in E. coli, thus potentially providing entirely new adaptation strategies for this bacterium. Moreover, ten genes also conferred resistance to UV-B radiation, another extreme condition in Antarctica.
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Vaitkevičiūtė G, Aleliūnas A, Gibon Y, Armonienė R. The effect of cold acclimation, deacclimation and reacclimation on metabolite profiles and freezing tolerance in winter wheat. FRONTIERS IN PLANT SCIENCE 2022; 13:959118. [PMID: 36046584 PMCID: PMC9421140 DOI: 10.3389/fpls.2022.959118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 07/20/2022] [Indexed: 06/03/2023]
Abstract
Global climate change will cause longer and warmer autumns, thus negatively affecting the quality of cold acclimation (CA) and reducing the freezing tolerance (FT) of winter wheat. Insufficient FT and fluctuating temperatures during winter can accelerate the deacclimation (DEA) process, whereas reacclimation (REA) is possible only while the vernalization requirement is unfulfilled. Six winter wheat genotypes with different winter hardiness profiles were used to evaluate the impact of constant low-temperature (2°C) and prolonged higher low-temperature (28 days at 10°C followed by 2°C until day 49) on shoot biomass and metabolite accumulation patterns in leaf and crown tissues throughout 49 days of CA, 7 days of DEA, and 14 days of REA. The FT of winter wheat was determined as LT30 values by conducting freezing tests after CA, DEA, and REA. Shoot biomass accumulation, projected as the green leaf area (GLA), was investigated by non-destructive RGB imaging-based phenotyping. Dynamics of carbohydrates, hexose phosphates, organic acids, proteins, and amino acids were assessed in leaf and crown tissues. Results revealed that exposure to higher low-temperature induced higher accumulation of shoot biomass and had a negative impact on FT of winter wheat. Prolonged higher low-temperature negatively affected the accumulation of soluble carbohydrates, protein content and amino acids, and had a positive effect on starch accumulation in leaf and crown tissues after CA, in comparison with the constant low-temperature treatment. DEA resulted in significantly reduced FT. Lower concentrations of glucose-6-phosphate, sucrose and proline, as well as higher concentrations of starch in leaves and crowns were found after DEA. The majority of the genotypes regained FT after REA; higher concentrations of glucose and malate in leaves, and sucrose in crown tissue were observed, whereas starch accumulation was decreased in both tissues. Negative correlations were determined between FT and starch concentration in leaves and crowns, while proline and proteins, accumulated in crowns, showed positive correlations with FT. This study broadens the knowledge regarding the effect of different low-temperature regimes on the dynamics of metabolite accumulation in winter wheat throughout CA, DEA, and REA, and its relationship to biomass accumulation and FT.
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Affiliation(s)
- Gabija Vaitkevičiūtė
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
| | - Andrius Aleliūnas
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
| | - Yves Gibon
- Univ. Bordeaux, INRAE, Bordeaux Metabolome, UMR 1332 BFP, Villenave d’Ornon, France
| | - Rita Armonienė
- Lithuanian Research Centre for Agriculture and Forestry, Institute of Agriculture, Akademija, Lithuania
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Cui C, Wang Z, Su Y, Wang T. Antioxidant Regulation and DNA Methylation Dynamics During Mikania micrantha Seed Germination Under Cold Stress. FRONTIERS IN PLANT SCIENCE 2022; 13:856527. [PMID: 35463422 PMCID: PMC9024368 DOI: 10.3389/fpls.2022.856527] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
As a primary goal, adaptation to cold climate could expand an invasion range of exotic plants. Here, we aimed to explore the regulation strategy of M. micrantha seed development under cold stress through molecular physiology and multi-omics analysis. Significant increase of hydrogen peroxide, malondialdehyde, and electrolyte leakage observed under cold stress revealed that oxidative damage within M. micrantha seed cells was induced in the initial germination phase. Proteomic data underscored an activation of antioxidant activity to maintain redox homeostasis, with a cluster of antioxidant proteins identified. Genomic-wide transcriptome, in combination with time-series whole-genome bisulfite sequencing mining, elucidated that seven candidate genes, which were the target of DNA demethylation-dependent ROS scavenging, were possibly associated with an M. micrantha germ break. Progressive gain of CHH context DNA methylation identified in an early germination phrase suggested a role of a DNA methylation pathway, while an active DNA demethylation pathway was also initiated during late seed development, which was in line with the expression trend of methylation and demethylation-related genes verified through qRT-PCR. These data pointed out that cold-dependent DNA demethylation and an antioxidant regulatory were involved together in restoring seed germination. The expression level of total 441 genes presented an opposite trend to the methylation divergence, while the expression of total 395 genes was proved to be negatively associated with their methylation levels. These data provided new insights into molecular reprograming events during M. micrantha seed development.
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Affiliation(s)
- Can Cui
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Zhen Wang
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yingjuan Su
- School of Life Sciences, Sun Yat-sen University, Guangzhou, China
- Research Institute of Sun Yat-sen University in Shenzhen, Shenzhen, China
| | - Ting Wang
- Research Institute of Sun Yat-sen University in Shenzhen, Shenzhen, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
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Cheng M, Pan Z, Cui K, Zheng J, Luo X, Chen Y, Yang T, Wang H, Li X, Zhou Y, Lei X, Li Y, Zhang R, Iqbal MZ, He R. RNA sequencing and weighted gene co-expression network analysis uncover the hub genes controlling cold tolerance in Helictotrichon virescens seedlings. FRONTIERS IN PLANT SCIENCE 2022; 13:938859. [PMID: 36119608 PMCID: PMC9478469 DOI: 10.3389/fpls.2022.938859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 08/08/2022] [Indexed: 05/09/2023]
Abstract
Helictotrichon virescens is a perennial herbaceous plant with a life expectancy of about 10 years. It has high cold and heat resistance and can successfully survive over winter in the habitats with a temperature range of -25 to 25°C. Therefore, this study aimed to identify the key genes regulating low-temperature stress responses in H. virescens and analyze cold tolerant at molecular level. This study used RNA sequencing (RNA-Seq) and weighted gene co-expression network analysis (WGCNA) to identify the hub genes associated with cold tolerance in H. virescens. RT-PCR was conducted, homologous genes were identified, and related bioinformatics were analyzed to verify the identified hub genes. Moreover, WGCNA analysis showed that only the brown module had the highest correlation with the active-oxygen scavenging enzymes [peroxide (POD), superoxide dismutase (SOD), and catalase (CAT)]. The expression levels of three hub genes in the brown module (Cluster-37118.47362, cluster-37118.47713, and cluster-37118.66740) were significantly higher under low-temperature stress than those under control conditions. Furthermore, gene ontology (GO) and KEGG annotations showed that the three hub genes were mainly enriched in the metabolism pathways of sphingolipids, selenocompounds, glyoxylate, and dicarboxylate, carotenoids biosynthesis, and other biological pathways. The results of this study also showed that the subcellular localization prediction results showed that the cold tolerance hub genes were all localized to the plasma membrane. By constructing a protein interaction network, it was found that the hub gene Cluster-37118.66740 interacted with Sb09g003460.1 and Sb04g020180.1 proteins in Sorghum bicolor. By constructing phylogenetic trees of the four species of H. virescens, Sorghum bicolo, Oryza sativa Japonica, and Arabidopsis thaliana, the results showed that, the hub gene Cluster 37118.66740 (of H. virescens) and Os03g0340500 (of Oryza sativa Japonica) belonged to the same ancestral branch and were in the same subfamily. Thus, this study provides methodology and guidance to identify the cold tolerance genes for other herbage and their cold tolerant molecular mechanisms at molecular level.
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Affiliation(s)
- Mingjun Cheng
- Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, China
- Sichuan Grass Industry Technology Research and Promotion Center, Chengdu, China
| | - Zeyang Pan
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Kuoshu Cui
- Sichuan Agricultural Technology Extension Station, Chengdu, China
| | - Junjun Zheng
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Xuan Luo
- Institute of Agricultural Information and Rural Economy, Sichuan Academy of Agricultural Sciences, Chengdu, China
| | - Youjun Chen
- Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, China
| | - Tao Yang
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Hui Wang
- Institute of Qinghai-Tibetan Plateau, Southwest Minzu University, Chengdu, China
| | - Xiaofeng Li
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Yang Zhou
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Xiong Lei
- Sichuan Academy of Grassland Science, Chengdu, China
| | - Yingzheng Li
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Ruizhen Zhang
- Sichuan Grass Industry Technology Research and Promotion Center, Chengdu, China
| | - Muhammad Zafar Iqbal
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
- College of Grassland Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Ruyu He
- Maize Research Institute, Sichuan Agricultural University, Chengdu, China
- *Correspondence: Ruyu He,
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9
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iTRAQ-based quantitative proteome analysis insights into cold stress of Winter Rapeseed (Brassica rapa L.) grown in the field. Sci Rep 2021; 11:23434. [PMID: 34873178 PMCID: PMC8648733 DOI: 10.1038/s41598-021-02707-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 11/17/2021] [Indexed: 12/02/2022] Open
Abstract
Winter rapeseed (Brassica rapa L.) is a major oilseed crop in Northern China, where its production was severely affected by chilling and freezing stress. However, not much is known about the role of differentially accumulated proteins (DAPs) during the chilling and freezing stress. In this study, isobaric tag for relative and absolute quantification (iTRAQ) technology was performed to identify DAPs under freezing stress. To explore the molecular mechanisms of cold stress tolerance at the cellular and protein levels, the morphological and physiological differences in the shoot apical meristem (SAM) of two winter rapeseed varieties, Longyou 7 (cold-tolerant) and Lenox (cold-sensitive), were explored in field-grown plants. Compared to Lenox, Longyou 7 had a lower SAM height and higher collar diameter. The level of malondialdehyde (MDA) and indole-3-acetic acid (IAA) content was also decreased. Simultaneously, the soluble sugars (SS) content, superoxide dismutase (SOD) activity, peroxidase (POD) activity, soluble protein (SP) content, and collar diameter were increased in Longyou 7 as compared to Lenox. A total of 6330 proteins were identified. Among this, 98, 107, 183 and 111 DAPs were expressed in L7 CK/Le CK, L7 d/Le d, Le d/Le CK and L7 d/L7 CK, respectively. Quantitative real-time PCR (RT-qPCR) analysis of the coding genes for seventeen randomly selected DAPs was performed for validation. These DAPs were identified based on gene ontology enrichment analysis, which revealed that glutathione transferase activity, carbohydrate-binding, glutathione binding, metabolic process, and IAA response were closely associated with the cold stress response. In addition, some cold-induced proteins, such as glutathione S-transferase phi 2(GSTF2), might play an essential role during cold acclimation in the SAM of Brassica rapa. The present study provides valuable information on the involvement of DAPs during cold stress responses in Brassica rapa L, and hence could be used for breeding experiments.
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Yazdanpanah P, Jonoubi P, Zeinalabedini M, Rajaei H, Ghaffari MR, Vazifeshenas MR, Abdirad S. Seasonal Metabolic Investigation in Pomegranate ( Punica granatum L.) Highlights the Role of Amino Acids in Genotype- and Organ-Specific Adaptive Responses to Freezing Stress. FRONTIERS IN PLANT SCIENCE 2021; 12:699139. [PMID: 34456940 PMCID: PMC8397415 DOI: 10.3389/fpls.2021.699139] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/20/2021] [Indexed: 06/03/2023]
Abstract
Every winter, temperate woody plants have to cope with freezing stress. Winter hardiness is of crucial importance for pomegranate survival and productivity. A comparative morphological and metabolic study was conducted on the stems and buds of 15 field-grown mature pomegranate genotypes in seven time-points during two developmental cycles. Seasonal changes of frost hardiness, as determined by electrolyte leakage method, and metabolite analysis by HPLC and GC revealed the variability in frost hardiness and metabolic contents result from genetic background and organ, as well as seasonal condition. Morphological adaptations, as well as metabolic remodeling, are the distinct features of the hardy genotypes. Larger buds with a greater number of compressed scales and the higher number of protective leaves, together with the higher number and content of changed metabolites, especially amino acids, seem to provide a higher frost resistance for those trees. We recorded two-times the change in metabolites and several-times accumulation of amino acids in the stem compared with buds. A better potential of stem for metabolome adjustment during the hardening period and a higher level of tolerance to stress is therefore suggested. High levels of arginine, proline, glutamine, and asparagine, and particularly the accumulation of alanine, tryptophan, and histidine are responsible for excellent tolerance of the stem of tolerant genotypes. With regard to the protective roles of amino acids, a relation between stress tolerance and the level of amino acids is proposed. This points both to the importance of amino acids in the winter survival of pomegranate trees, and to the evaluation of frost tolerance in other plants, by these specific markers.
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Affiliation(s)
- Parisa Yazdanpanah
- Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Parisa Jonoubi
- Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Mehrshad Zeinalabedini
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Homa Rajaei
- Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran
| | - Mohammad Reza Ghaffari
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Mohammad Reza Vazifeshenas
- Improvement Plant and Seed Department, Agricultural and Natural Resources Research and Education Center Research, AREEO, Yazd, Iran
| | - Somayeh Abdirad
- Department of Plant Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
- Department of Systems and Synthetic Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
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11
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Urrutia M, Blein‐Nicolas M, Prigent S, Bernillon S, Deborde C, Balliau T, Maucourt M, Jacob D, Ballias P, Bénard C, Sellier H, Gibon Y, Giauffret C, Zivy M, Moing A. Maize metabolome and proteome responses to controlled cold stress partly mimic early-sowing effects in the field and differ from those of Arabidopsis. PLANT, CELL & ENVIRONMENT 2021; 44:1504-1521. [PMID: 33410508 PMCID: PMC8248070 DOI: 10.1111/pce.13993] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 12/31/2020] [Indexed: 05/21/2023]
Abstract
In Northern Europe, sowing maize one-month earlier than current agricultural practices may lead to moderate chilling damage. However, studies of the metabolic responses to low, non-freezing, temperatures remain scarce. Here, genetically-diverse maize hybrids (Zea mays, dent inbred lines crossed with a flint inbred line) were cultivated in a growth chamber at optimal temperature and then three decreasing temperatures for 2 days each, as well as in the field. Leaf metabolomic and proteomic profiles were determined. In the growth chamber, 50% of metabolites and 18% of proteins changed between 20 and 16°C. These maize responses, partly differing from those of Arabidopsis to short-term chilling, were mapped on genome-wide metabolic maps. Several metabolites and proteins showed similar variation for all temperature decreases: seven MS-based metabolite signatures and two proteins involved in photosynthesis decreased continuously. Several increasing metabolites or proteins in the growth-chamber chilling conditions showed similar trends in the early-sowing field experiment, including trans-aconitate, three hydroxycinnamate derivatives, a benzoxazinoid, a sucrose synthase, lethal leaf-spot 1 protein, an allene oxide synthase, several glutathione transferases and peroxidases. Hybrid groups based on field biomass were used to search for the metabolite or protein responses differentiating them in growth-chamber conditions, which could be of interest for breeding.
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Affiliation(s)
- Maria Urrutia
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- Present address:
Dtp. Biología Molecular y BioquímicaUniv. MálagaMálagaSpain
| | - Mélisande Blein‐Nicolas
- INRAE, CNRS, AgroParisTech, GQE‐Le MoulonUniv. Paris‐SaclayGif‐sur‐YvetteFrance
- PAPPSO, doi:10.15454/1.5572393176364355E12, GQE‐Le MoulonGif‐sur‐YvetteFrance
| | - Sylvain Prigent
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
| | - Stéphane Bernillon
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Catherine Deborde
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Thierry Balliau
- INRAE, CNRS, AgroParisTech, GQE‐Le MoulonUniv. Paris‐SaclayGif‐sur‐YvetteFrance
- PAPPSO, doi:10.15454/1.5572393176364355E12, GQE‐Le MoulonGif‐sur‐YvetteFrance
| | - Mickaël Maucourt
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Daniel Jacob
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Patricia Ballias
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Camille Bénard
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | | | - Yves Gibon
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
| | - Catherine Giauffret
- INRAE, Univ. Liège, Univ. Lille, Univ. Picardie Jules Verne, BioEcoAgroPeronneFrance
| | - Michel Zivy
- INRAE, CNRS, AgroParisTech, GQE‐Le MoulonUniv. Paris‐SaclayGif‐sur‐YvetteFrance
- PAPPSO, doi:10.15454/1.5572393176364355E12, GQE‐Le MoulonGif‐sur‐YvetteFrance
| | - Annick Moing
- Biologie du Fruit et Pathologie, UMR 1332, Centre INRAE de Nouvelle Aquitaine‐BordeauxINRAE, Univ.Villenave d'OrnonFrance
- PMB‐Metabolome, INRAE, 2018, Bordeaux Metabolome, doi:10.15454/1.5572412770331912E12, MetaboHUB, PHENOME, IBVM, Centre INRAE de Nouvelle Aquitaine‐BordeauxVillenave d'OrnonFrance
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12
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Oberschelp GPJ, Guarnaschelli AB, Teson N, Harrand L, Podestá FE, Margarit E. Cold acclimation and freezing tolerance in three Eucalyptus species: A metabolomic and proteomic approach. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 154:316-327. [PMID: 32593088 DOI: 10.1016/j.plaphy.2020.05.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 05/21/2020] [Accepted: 05/21/2020] [Indexed: 05/20/2023]
Abstract
The ability of plants to cope with frost events relies on the physiological and molecular responses triggered by cold temperatures. This process, named acclimation, involves reprogramming gene expression in order to adjust metabolism. Planted Eucalyptus species are highly productive but most of them are frost sensitive. However, acclimation process varies among species and environmental conditions, promoting more or less frost damage in young plantations of frost-prone areas. To identify metabolites and proteins responsible for these differences, two acclimation regimes were imposed to seedling of Eucalyptus grandis Hill ex Maiden (Eg), Eucalyptus dunnii Maiden (Ed) and Eucalyptus benthamii Maiden Cambage (Eb), and leaves submitted to biochemical and molecular analyses. Further, seedlings were used for simulated frosts in order to test the acclimation status effect on frost tolerance. Eb showed higher frost tolerance than Ed and Eg under control and acclimation scenarios, possibly due to its higher accumulation of phenolics, anthocyanins and soluble sugars as well as lower levels of photosynthetic pigments and related proteins. Also, a rise in frost tolerance and in osmoprotectants and antioxidants was observed for all the species due to cold acclimation treatment. Interestingly, metabolic profiles differed among species, suggesting different mechanisms to endure frosts and, probably, different requirements for cold acclimation. Shotgun proteomics reinforced differences and commonalities and supported metabolome observations. An in depth understanding of these responses could help to safeguard planted forests productivity through breeding of tolerant genetic material.
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Affiliation(s)
| | - Ana Beatriz Guarnaschelli
- Facultad de Agronomía de la Universidad de Buenos Aires (FAUBA), Av. San Martín 4453, CABA, Argentina
| | - Natalia Teson
- EEA Concordia del INTA, Ruta 22 y vías del ferrocarril, Colonia Yeruá, Entre Ríos, Argentina
| | - Leonel Harrand
- EEA Concordia del INTA, Ruta 22 y vías del ferrocarril, Colonia Yeruá, Entre Ríos, Argentina
| | - Florencio Esteban Podestá
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe. Argentina
| | - Ezequiel Margarit
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Suipacha 531, Rosario, Santa Fe. Argentina.
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13
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Clemente-Moreno MJ, Omranian N, Sáez PL, Figueroa CM, Del-Saz N, Elso M, Poblete L, Orf I, Cuadros-Inostroza A, Cavieres LA, Bravo L, Fernie AR, Ribas-Carbó M, Flexas J, Nikoloski Z, Brotman Y, Gago J. Low-temperature tolerance of the Antarctic species Deschampsia antarctica: A complex metabolic response associated with nutrient remobilization. PLANT, CELL & ENVIRONMENT 2020; 43:1376-1393. [PMID: 32012308 DOI: 10.1111/pce.13737] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 01/19/2020] [Accepted: 01/21/2020] [Indexed: 06/10/2023]
Abstract
The species Deschampsia antarctica (DA) is one of the only two native vascular species that live in Antarctica. We performed ecophysiological, biochemical, and metabolomic studies to investigate the responses of DA to low temperature. In parallel, we assessed the responses in a non-Antarctic reference species (Triticum aestivum [TA]) from the same family (Poaceae). At low temperature (4°C), both species showed lower photosynthetic rates (reductions were 70% and 80% for DA and TA, respectively) and symptoms of oxidative stress but opposite responses of antioxidant enzymes (peroxidases and catalase). We employed fused least absolute shrinkage and selection operator statistical modelling to associate the species-dependent physiological and antioxidant responses to primary metabolism. Model results for DA indicated associations with osmoprotection, cell wall remodelling, membrane stabilization, and antioxidant secondary metabolism (synthesis of flavonols and phenylpropanoids), coordinated with nutrient mobilization from source to sink tissues (confirmed by elemental analysis), which were not observed in TA. The metabolic behaviour of DA, with significant changes in particular metabolites, was compared with a newly compiled multispecies dataset showing a general accumulation of metabolites in response to low temperatures. Altogether, the responses displayed by DA suggest a compromise between catabolism and maintenance of leaf functionality.
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Affiliation(s)
- María José Clemente-Moreno
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)-Instituto de Agroecología y Economía del Agua (INAGEA), Palma de Mallorca, Spain
| | - Nooshin Omranian
- Systems Biology and Mathematical Modeling Group, Max-Planck-Institut für Molekulare Pflanzenphysiologie, 14476 Potsdam, Germany
- Bioinformatics, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
| | - Patricia L Sáez
- Laboratorio Cultivo de Tejidos Vegetales, Centro de Biotecnología, Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepción, Concepción, Chile
| | | | - Néstor Del-Saz
- Laboratorio de Fisiología Vegetal, Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Mhartyn Elso
- Laboratorio Cultivo de Tejidos Vegetales, Centro de Biotecnología, Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepción, Concepción, Chile
| | - Leticia Poblete
- Laboratorio Cultivo de Tejidos Vegetales, Centro de Biotecnología, Departamento de Silvicultura, Facultad de Ciencias Forestales, Universidad de Concepción, Concepción, Chile
| | - Isabel Orf
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva, Israel
| | | | - Lohengrin A Cavieres
- ECOBIOSIS, Departamento de Botánica, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción and Instituto de Ecología y Biodiversidad-IEB, Concepción, Chile
| | - León Bravo
- Lab. de Fisiología y Biología Molecular Vegetal, Dpt. de Cs. Agronómicas y Recursos Naturales, Facultad de Cs. Agropecuarias y Forestales, Instituto de Agroindustria, & Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco, Chile
| | - Alisdair R Fernie
- Central Metabolism Group, Molecular Physiology Department, Max-Planck-Institut für Molekulare Pflanzenphysiologie, Potsdam, Germany
| | - Miquel Ribas-Carbó
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)-Instituto de Agroecología y Economía del Agua (INAGEA), Palma de Mallorca, Spain
| | - Jaume Flexas
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)-Instituto de Agroecología y Economía del Agua (INAGEA), Palma de Mallorca, Spain
| | - Zoran Nikoloski
- Systems Biology and Mathematical Modeling Group, Max-Planck-Institut für Molekulare Pflanzenphysiologie, 14476 Potsdam, Germany
- Bioinformatics, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
- Center of Plant System Biology and Biotechnology (CPSBB), Plovdiv, Bulgaria
| | - Yariv Brotman
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva, Israel
| | - Jorge Gago
- Research Group on Plant Biology under Mediterranean Conditions, Universitat de les Illes Balears (UIB)-Instituto de Agroecología y Economía del Agua (INAGEA), Palma de Mallorca, Spain
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14
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Min K, Chen K, Arora R. A metabolomics study of ascorbic acid-induced in situ freezing tolerance in spinach ( Spinacia oleracea L.). PLANT DIRECT 2020; 4:e00202. [PMID: 32104753 PMCID: PMC7036623 DOI: 10.1002/pld3.202] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 12/13/2019] [Accepted: 01/21/2020] [Indexed: 05/05/2023]
Abstract
Freeze-thaw stress is one of the major environmental constraints that limit plant growth and reduce productivity and quality. Plants exhibit a variety of cellular dysfunctions following freeze-thaw stress, including accumulation of reactive oxygen species (ROS). This means that enhancement of antioxidant capacity by exogenous application of antioxidants could potentially be one of the strategies for improving freezing tolerance (FT) of plants. Exogenous application of ascorbic acid (AsA), as an antioxidant, has been shown to improve plant tolerance against abiotic stresses but its effect on FT has not been investigated. We evaluated the effect of AsA-feeding on FT of spinach (Spinacia oleracea L.) at whole plant and excised-leaf level, and conducted metabolite profiling of leaves before and after AsA treatment to explore metabolic explanation for change in FT. AsA application did not impede leaf growth, instead slightly promoted it. Temperature-controlled freeze-thaw tests revealed AsA-fed plants were more freezing tolerant as indicated by: (a) less visual damage/mortality; (b) lower ion leakage; and (c) less oxidative injury, lower abundance of free radicals ( O 2 · - and H2O2). Comparative leaf metabolite profiling revealed clear separation of metabolic phenotypes for control versus AsA-fed leaves. Specifically, AsA-fed leaves had greater abundance of antioxidants (AsA, glutathione, alpha- & gamma-tocopherol) and compatible solutes (proline, galactinol, and myo-inositol). AsA-fed leaves also had higher activity of antioxidant enzymes (superoxide dismutase, ascorbate peroxidase, and catalase). These changes, together, may improve FT via alleviating freeze-induced oxidative stress as well as protecting membranes from freeze desiccation. Additionally, improved FT by AsA-feeding may potentially include enhanced cell wall/lignin augmentation and bolstered secondary metabolism as indicated by diminished level of phenylalanine and increased abundance of branched amino acids, respectively.
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Affiliation(s)
- Kyungwon Min
- Department of HorticultureIowa State UniversityAmesIAUSA
| | - Keting Chen
- Department of Genetic, Development, and Cell BiologyIowa State UniversityAmesIAUSA
| | - Rajeev Arora
- Department of HorticultureIowa State UniversityAmesIAUSA
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15
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Rosa-Téllez S, Anoman AD, Alcántara-Enguídanos A, Garza-Aguirre RA, Alseekh S, Ros R. PGDH family genes differentially affect Arabidopsis tolerance to salt stress. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2020; 290:110284. [PMID: 31779918 DOI: 10.1016/j.plantsci.2019.110284] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 08/05/2019] [Accepted: 09/24/2019] [Indexed: 05/10/2023]
Abstract
The first step in the Phosphorylated Pathway of serine (Ser) Biosynthesis (PPSB) is catalyzed by the enzyme Phosphoglycerate Dehydrogenase (PGDH), coded in Arabidopsis thaliana by three genes. Gene expression analysis indicated that PGDH1 and PGDH2 were induced, while PGDH3 was repressed, by salt-stress. Accordingly, PGDH3 overexpressing plants (Oex PGDH3) were more sensitive to salinity than wild type plants (WT), while plants overexpressing PGDH1 (Oex PGDH1) performed better than WT under salinity conditions. Oex PGDH1 lines displayed lower levels of the salt-stress markers proline and raffinose in roots than WT under salt-stress conditions. Besides, the ratio of oxidized glutathione (GSSG) without and with salt-stress was the highest in Oex PGDH1, and the lowest in Oex PGDH3 compared to WT. These results corroborated that PGDH3 activity could be detrimental, while PGDH1 activity could be beneficial for plant salt tolerance. Under salt-stress conditions, PGDH1 overexpression increased Ser content only in roots, while PGDH3 overexpression increased the amino acid level in both aerial parts and roots, compared to the WT. Our results indicate that the response of PGDH family genes to salt-stress depends on the specific gene studied and that increases in Ser content are not always correlated with enhanced plant salt tolerance.
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Affiliation(s)
- Sara Rosa-Téllez
- Departament de Biologia Vegetal, Facultat de Farmàcia, Universitat de València, Spain; Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI BIOTECMED), Universitat de València. Dr Moliner 50, 46100, Burjassot, Spain
| | - Armand D Anoman
- Departament de Biologia Vegetal, Facultat de Farmàcia, Universitat de València, Spain; Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI BIOTECMED), Universitat de València. Dr Moliner 50, 46100, Burjassot, Spain
| | - Andrea Alcántara-Enguídanos
- Departament de Biologia Vegetal, Facultat de Farmàcia, Universitat de València, Spain; Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI BIOTECMED), Universitat de València. Dr Moliner 50, 46100, Burjassot, Spain
| | - Raúl Alejandro Garza-Aguirre
- Departament de Biologia Vegetal, Facultat de Farmàcia, Universitat de València, Spain; Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI BIOTECMED), Universitat de València. Dr Moliner 50, 46100, Burjassot, Spain
| | - Saleh Alseekh
- Max Planck Institut für Molekulare Pflanzenphysiologie, 14476, Potsdam-Golm, Germany
| | - Roc Ros
- Departament de Biologia Vegetal, Facultat de Farmàcia, Universitat de València, Spain; Estructura de Recerca Interdisciplinar en Biotecnologia i Biomedicina (ERI BIOTECMED), Universitat de València. Dr Moliner 50, 46100, Burjassot, Spain.
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16
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Kishor PBK, Suravajhala R, Rajasheker G, Marka N, Shridhar KK, Dhulala D, Scinthia KP, Divya K, Doma M, Edupuganti S, Suravajhala P, Polavarapu R. Lysine, Lysine-Rich, Serine, and Serine-Rich Proteins: Link Between Metabolism, Development, and Abiotic Stress Tolerance and the Role of ncRNAs in Their Regulation. FRONTIERS IN PLANT SCIENCE 2020; 11:546213. [PMID: 33343588 PMCID: PMC7744598 DOI: 10.3389/fpls.2020.546213] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 10/30/2020] [Indexed: 05/06/2023]
Abstract
Lysine (Lys) is indispensable nutritionally, and its levels in plants are modulated by both transcriptional and post-transcriptional control during plant ontogeny. Animal glutamate receptor homologs have been detected in plants, which may participate in several plant processes through the Lys catabolic products. Interestingly, a connection between Lys and serotonin metabolism has been established recently in rice. 2-Aminoadipate, a catabolic product of Lys appears to play a critical role between serotonin accumulation and the color of rice endosperm/grain. It has also been shown that expression of some lysine-methylated proteins and genes encoding lysine-methyltransferases (KMTs) are regulated by cadmium even as it is known that Lys biosynthesis and its degradation are modulated by novel mechanisms. Three complex pathways co-exist in plants for serine (Ser) biosynthesis, and the relative preponderance of each pathway in relation to plant development or abiotic stress tolerance are being unfolded slowly. But the phosphorylated pathway of L-Ser biosynthesis (PPSB) appears to play critical roles and is essential in plant metabolism and development. Ser, which participates indirectly in purine and pyrimidine biosynthesis and plays a pivotal role in plant metabolism and signaling. Also, L-Ser has been implicated in plant responses to both biotic and abiotic stresses. A large body of information implicates Lys-rich and serine/arginine-rich (SR) proteins in a very wide array of abiotic stresses. Interestingly, a link exists between Lys-rich K-segment and stress tolerance levels. It is of interest to note that abiotic stresses largely influence the expression patterns of SR proteins and also the alternative splicing (AS) patterns. We have checked if any lncRNAs form a cohort of differentially expressed genes from the publicly available PPSB, sequence read archives of NCBI GenBank. Finally, we discuss the link between Lys and Ser synthesis, catabolism, Lys-proteins, and SR proteins during plant development and their myriad roles in response to abiotic stresses.
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Affiliation(s)
- P. B. Kavi Kishor
- Department of Biotechnology, Vignan’s Foundation for Science, Technology and Research (Deemed to be University), Guntur, India
- *Correspondence: P. B. Kavi Kishor,
| | | | | | - Nagaraju Marka
- Biochemistry Division, National Institute of Nutrition-ICMR, Hyderabad, India
| | | | - Divya Dhulala
- Department of Genetics, Osmania University, Hyderabad, India
| | | | - Kummari Divya
- Department of Genetics, Osmania University, Hyderabad, India
| | - Madhavi Doma
- Department of Genetics, Osmania University, Hyderabad, India
| | | | - Prashanth Suravajhala
- Department of Biotechnology and Bioinformatics, Birla Institute of Scientific Research, Jaipur, India
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17
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Liu Y, Li M, Xu J, Liu X, Wang S, Shi L. Physiological and metabolomics analyses of young and old leaves from wild and cultivated soybean seedlings under low-nitrogen conditions. BMC PLANT BIOLOGY 2019; 19:389. [PMID: 31492111 PMCID: PMC6731624 DOI: 10.1186/s12870-019-2005-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 08/30/2019] [Indexed: 05/26/2023]
Abstract
BACKGROUND It is critical to study the low nitrogen tolerance in wild soybean with extensive genetic diversity for improving cultivated soybean nitrogen use efficiency. Focusing on plant young and old leaves could provide new insights to low nitrogen tolerance research. This study compared the low nitrogen group with the control group on physiological and metabolomics changes in young and old leaves, respectively, then analyzed and compared the differences of these changes between cultivated and wild soybean. This study aimed to provide a theoretical basis for the molecular mechanism of soybean low nitrogen stress tolerance. RESULTS Wild soybean was less affected by low-nitrogen stress than cultivated soybean as assessed by plant biomass paraments, total carbon content and total nitrogen content. Gas-exchange coefficients and chlorophylls contents maintained relatively stable in wild soybean young leaves, but opposite in cultivated soybean. Wild soybean young leaves also increased the transport of beneficial ions, such as B3+, Fe3+, Mn2+, H2PO4- and C2O42-. In wild soybean old leaves, the nitrogen metabolism pathway was significant enhanced, especially the aspartic acid and GABA metabolisms. While in cultivated soybean, the nitrogen metabolism decreased obviously in young leaves but had no significant change in old leaves. The phenylpropanoid metabolism pathway was also activated in wild soybean. Contrary to cultivated soybeans, wild soybean tricarboxylic acid cycle and carbon metabolism including polyols and organic acids consolidated in old leaves and maintained a relative normal state in young leaves. These strategies could improve the antioxidant and N-fixation capacity in wild soybean. CONCLUSION The survival and growth of wild soybean under low nitrogen stress conditions relied on physiological adjustments and metabolic changes that occurred at the cellular level. Compared with cultivated soybean, wild soybean young leaves could maintain a relatively normal growth mainly owing to a significant enhancement of key amino acids and nonprotein nitrogen metabolism in old leaves, especially aspartic acid, proline metabolism which provided basis for nitrogen reutilization from old leaves to young leaves. Consolidating the tricarboxylic acid cycle, intensifying phenylpropanoid metabolism, and accumulating more polyols and organic acids also had positive effect on it.
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Affiliation(s)
- Yuan Liu
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
| | - Mingxia Li
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
| | - Jingshu Xu
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
| | - Xueying Liu
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
| | - Shiyao Wang
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
| | - Lianxuan Shi
- Institute of Grassland Science, Northeast Normal University, Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, 130024 People’s Republic of China
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Pu Y, Liu L, Wu J, Zhao Y, Bai J, Ma L, Yue J, Jin J, Niu Z, Fang Y, Sun W. Transcriptome Profile Analysis of Winter Rapeseed ( Brassica napus L.) in Response to Freezing Stress, Reveal Potentially Connected Events to Freezing Stress. Int J Mol Sci 2019; 20:ijms20112771. [PMID: 31195741 PMCID: PMC6600501 DOI: 10.3390/ijms20112771] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/30/2019] [Accepted: 06/03/2019] [Indexed: 11/16/2022] Open
Abstract
Winter rapeseed is not only an important oilseed crop, but also a winter cover crop in Northern China, where its production was severely limited by freezing stress. As an overwinter crop, the production is severely limited by freezing stress. Therefore, understanding the physiological and molecular mechanism of winter rapeseed (Brassica napus L.) in freezing stress responses becomes essential for the improvement and development of freezing-tolerant varieties of Brassica napus. In this study, morphological, physiological, ultrastructure and transcriptome changes in the Brassica napus line "2016TS(G)10" (freezing-tolerance line) that was exposed to -2 °C for 0 h, 1 h, 3 h and 24 h were characterized. The results showed that freezing stress caused seedling dehydration, and chloroplast dilation and degradation. The content of malondialdehyde (MDA), proline, soluble protein and soluble sugars were increased, as well as the relative electrolyte leakage (REL) which was significantly increased at frozen 24 h. Subsequently, RNA-seq analysis revealed a total of 98,672 UniGenes that were annotated in Brassica napus and 3905 UniGenes were identified as differentially expressed genes after being exposed to freezing stress. Among these genes, 2312 (59.21%) were up-regulated and 1593 (40.79%) were down-regulated. Most of these DEGs were significantly annotated in the carbohydrates and energy metabolism, signal transduction, amino acid metabolism and translation. Most of the up-regulated DEGs were especially enriched in plant hormone signal transduction, starch and sucrose metabolism pathways. Transcription factor enrichment analysis showed that the AP2/ERF, WRKY and MYB families were also significantly changed. Furthermore, 20 DEGs were selected to validate the transcriptome profiles via quantitative real-time PCR (qRT-PCR). In conclusion, the results provide an overall view of the dynamic changes in physiology and insights into the molecular regulation mechanisms of winter Brassica napus in response to freezing treatment, expanding our understanding on the complex molecular mechanism in plant response to freezing stress.
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Affiliation(s)
- Yuanyuan Pu
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Lijun Liu
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Junyan Wu
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
| | - Yuhong Zhao
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Jing Bai
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Li Ma
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Jinli Yue
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Jiaojiao Jin
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Zaoxia Niu
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Yan Fang
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
| | - Wancang Sun
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China.
- Gansu Provincial Key Laboratory of Aridland Crop Science, Lanzhou 730070, China.
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Liu ZY, Baoyin T, Li XL, Wang ZL. How fall dormancy benefits alfalfa winter-survival? Physiologic and transcriptomic analyses of dormancy process. BMC PLANT BIOLOGY 2019; 19:205. [PMID: 31109303 PMCID: PMC6528297 DOI: 10.1186/s12870-019-1773-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 04/11/2019] [Indexed: 05/04/2023]
Abstract
BACKGROUND Fall dormancy and freezing tolerance characterized as two important phenotypic traits, have great effects on productivity and persistence of alfalfa (Medicago sativa L.). Despite the fact that one of the most limiting traits for alfalfa freezing tolerance in winter is fall dormancy, the interplay between fall dormancy and cold acclimation processes of alfalfa remains largely unknown. We compared the plant regrowth, winter survival, raffinose and amino acids accumulation, and genome-wide differentially expressed genes of fall-dormant cultivar with non-dormant cultivar under cold acclimation. RESULTS Averaged over both years, the non-dormant alfalfa exhibited largely rapid regrowth compared with fall dormant alfalfa after last cutting in autumn, but the winter survival rate of fall dormant alfalfa was about 34-fold higher than that of non-dormant alfalfa. The accumulation of raffinose and amino acids were significantly increased in fall dormant alfalfa, whereas were decreased in non-dormant alfalfa under cold acclimation. Expressions of candidate genes encoding raffinose biosynthesis genes were highly up-regulated in fall dormant alfalfa, but down-regulated in non-dormant alfalfa under cold acclimation. In fall dormant alfalfa, there was a significantly down-regulated expression of candidate genes encoding the glutamine synthase, which is indirectly involved in the proline metabolism. A total of eight significantly differentially expressed transcription factors (TFs) related to CBF and ABRE-BFs were identified. The most up-regulated TFs in fall dormant alfalfa cultivar were ABF4 and DREB1C. CONCLUSIONS Fall dormant alfalfa drastically increased raffinose and amino acids accumulation under cold acclimation. Raffinose-associated and amino acid-associated genes involved in metabolic pathways were more highly expressed in fall dormant alfalfa than non-dormant alfalfa under cold acclimation. This global survey of transcriptome profiles provides new insights into the interplay between fall dormancy and cold acclimation in alfalfa.
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Affiliation(s)
- Zhi-Ying Liu
- Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, China
| | - Taogetao Baoyin
- Key Laboratory of Grassland Ecology, School of Ecology and Environment, Inner Mongolia University, Hohhot, China.
| | - Xi-Liang Li
- Key Laboratory of Grassland Ecology and Restoration of Ministry of Agriculture, National Forage Improvement Center, Institute of Grassland Research, Chinese Academy of Agricultural Sciences, Hohhot, China
| | - Zong-Li Wang
- China Animal Health and Epidemiology Center, Qingdao, China
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20
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Augustyniak A, Perlikowski D, Rapacz M, Kościelniak J, Kosmala A. Insight into cellular proteome of Lolium multiflorum/Festuca arundinacea introgression forms to decipher crucial mechanisms of cold acclimation in forage grasses. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2018; 272:22-31. [PMID: 29807594 DOI: 10.1016/j.plantsci.2018.04.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/04/2018] [Accepted: 04/05/2018] [Indexed: 05/24/2023]
Abstract
Frost tolerance is the main component of winter-hardiness. To express this trait, plants sense low temperature, and respond by activating the process of cold acclimation. The molecular mechanisms of this acclimation have not been fully understood in the agronomically important group of forage grasses, including Lolium-Festuca species. Herein, the introgression forms of L. multiflorum/F. arundinacea distinct with respect to their frost tolerance, were used as models for the comprehensive, proteomic and physiological, research to recognize the crucial components of cold acclimation in forage grasses. The obtained results stressed the importance of photosynthetic performance under acclimation to low temperature. The stable level of photochemical processes after three weeks of cold acclimation in the introgression form with a higher level of frost tolerance, combined simultaneously with only slightly (but not significantly) decreased level of CO2 assimilation after that period, despite significantly lower stomatal conductance, indicated the capacity for that form to acclimate its photosynthesis to low temperature. This phenomenon was driven by the Calvin cycle efficiency, associated with revealed here accumulation profiles and activities of chloroplastic aldolase. The capacity to acclimate the photosynthetic machinery to cold could be one of the most crucial components of forage grass metabolism to improve frost tolerance.
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Affiliation(s)
- Adam Augustyniak
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszynska 34, 60-479 Poznan, Poland.
| | - Dawid Perlikowski
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszynska 34, 60-479 Poznan, Poland.
| | - Marcin Rapacz
- Department of Plant Physiology, University of Agriculture in Cracow, Podluzna 3, 30-239 Krakow, Poland.
| | - Janusz Kościelniak
- Department of Plant Physiology, University of Agriculture in Cracow, Podluzna 3, 30-239 Krakow, Poland.
| | - Arkadiusz Kosmala
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszynska 34, 60-479 Poznan, Poland.
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21
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Płażek A, Pociecha E, Augustyniak A, Masajada K, Dziurka M, Majka J, Perlikowski D, Pawłowicz I, Kosmala A. Dissection of resistance to Microdochium nivale in Lolium multiflorum/Festuca arundinacea introgression forms. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2018; 123:43-53. [PMID: 29223067 DOI: 10.1016/j.plaphy.2017.11.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 11/28/2017] [Accepted: 11/30/2017] [Indexed: 06/07/2023]
Abstract
The potential of resistance to Microdochium nivale is still not recognized for numerous plant species. The forage grasses of Lolium-Festuca complex are important for grass-biomass production in the temperate regions. Lolium multiflorum is a grass with a high forage quality and productivity but also a relatively low resistance to M. nivale. On the contrary, F. arundinacea has a higher potential of resistance but simultaneously a significantly lower forage quality. These two species cross with each other and the intergeneric hybrids possess complementary characters of both genera. Herein, for the first time, we perform the research on L. multiflorum/F. arundinacea introgression forms to decipher mechanisms of resistance to M. nivale in that group of plants. Two forms with distinct levels of resistance were used as models in cytogenetic and biochemical studies. The resistant plant was shown to be a tetraploid with 28 L. multiflorum chromosomes, including one with three F. arundinacea introgressions. The susceptible introgression form revealed the unbalanced genomic structure and only 25 chromosomes. Twenty four chromosomes were shown to be L. multiflorum chromosomes, including one chromosome with F. arundinacea segment. One Festuca chromosome with additional two interstitial F. arundinacea segments, was also revealed in the susceptible form. The selected introgression forms differed in the accumulation profiles of total soluble carbohydrates, phytohormones, and phenolics in the leaf and crown tissue under the control and infection conditions. The higher amount of carbohydrates and salicylic acid in the leaves and crowns as well as a lower amount of abscisic acid in both studied organs and jasmonic acid in the crowns, were shown to be crucial for the expression of resistance to M. nivale in the analyzed hybrids.
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Affiliation(s)
- Agnieszka Płażek
- Department of Plant Physiology, University of Agriculture in Cracow, Podłużna 3, 30-239 Cracow, Poland.
| | - Ewa Pociecha
- Department of Plant Physiology, University of Agriculture in Cracow, Podłużna 3, 30-239 Cracow, Poland.
| | - Adam Augustyniak
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
| | - Katarzyna Masajada
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
| | - Michał Dziurka
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Niezapominajek 21, 30-239 Cracow, Poland.
| | - Joanna Majka
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
| | - Dawid Perlikowski
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
| | - Izabela Pawłowicz
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
| | - Arkadiusz Kosmala
- Institute of Plant Genetics, Polish Academy of Sciences, Strzeszyńska 34, 60-479 Poznań, Poland.
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Xu HX, Li XY, Chen JW. Comparative transcriptome profiling of freezing stress responses in loquat (Eriobotrya japonica) fruitlets. JOURNAL OF PLANT RESEARCH 2017; 130:893-907. [PMID: 28447204 DOI: 10.1007/s10265-017-0942-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 03/09/2017] [Indexed: 06/07/2023]
Abstract
Loquat (Eriobotrya japonica Lindl.) is an important subtropical, commercial fruit in China. It blossoms during autumn and winter in most areas of China and its fruitlets usually suffer from freezing stress. However, studies about the mechanisms underlying freezing stress in loquat are very limited. The gene expression profiles of loquat fruitlets subjected to freezing (G2 library) versus non-treated ones (G1 library) were investigated using Illumina sequencing technology to elucidate the molecular mechanisms and identify the genes that play vital roles in the freezing stress response. The results showed that approximately 157.63 million reads in total were obtained from freeze-treated and non-treated loquat fruitlets. These reads were assembled into 87,379 unigenes with an average length of 710 bp and an N50 of 1,200 bp. After comparing the profiles obtained from the G1 and G2 libraries, 2,892 differentially expressed genes were identified, of which 1,883 were up-regulated and 1,009 were down-regulated in the treated samples compared to non-treated ones. These unigenes showed significant differences in expression for carbohydrate transport and metabolism, amino acid metabolism, energy metabolism, and lipid metabolism, which are involved in defense against freezing stress. Glycolysis/gluconeogenesis was one of the most significantly regulated pathways. Freezing also significantly damaged the membrane system of loquat fruitlets, and several defense mechanisms were induced. Some selected genes related to low temperature resistance were validated by quantitative real-time PCR (qRT-PCR). The results revealed many genes and pathways that are part of freezing resistance processes and expand our understanding of the complex molecular events involved in freezing stress.
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Affiliation(s)
- Hong-Xia Xu
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, Zhejiang, People's Republic of China
| | - Xiao-Ying Li
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, Zhejiang, People's Republic of China
| | - Jun-Wei Chen
- Institute of Horticulture, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, Zhejiang, People's Republic of China.
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Araniti F, Scognamiglio M, Chambery A, Russo R, Esposito A, D'Abrosca B, Fiorentino A, Lupini A, Sunseri F, Abenavoli MR. Highlighting the effects of coumarin on adult plants of Arabidopsis thaliana (L.) Heynh. by an integrated -omic approach. JOURNAL OF PLANT PHYSIOLOGY 2017; 213:30-41. [PMID: 28315793 DOI: 10.1016/j.jplph.2017.02.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 02/22/2017] [Accepted: 02/22/2017] [Indexed: 05/22/2023]
Abstract
In this study, the effects of the allelochemical coumarin through a metabolomic, proteomic and morpho-physiological approach in Arabidopsis adult plants (25days old) were investigated. Metabolomic analysis evidenced an increment of amino acids and a high accumulation of soluble sugars, after 6days of coumarin treatment. This effect was accompanied by a strong decrease on plant fresh and dry weights, as well as on total protein content. On the contrary, coumarin did not affect leaf number but caused a reduction in leaf area. An alteration of water status was confirmed by a reduction of relative water content and an increase in leaf osmotic potential. Moreover, coumarin impaired plant bio-membranes through an increase of lipid peroxidation and H2O2 content suggesting that coumarin treatment might induce oxidative stress. Coumarin reduced the effective quantum yield of the photosystem II, the energy dissipation in the form of heat, the maximum PSII efficiency, the coefficient of the photochemical quenching and the estimated electron transport rate, while it significantly stimulated the fluorescence emission and the coefficient of the non photochemical quenching. Finally, the proteomic characterization of coumarin-treated plants revealed a down-regulation of the ROS detoxifying proteins, responsible of oxidative damage and consequently of physiological cascade effects.
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Affiliation(s)
- Fabrizio Araniti
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy.
| | - Monica Scognamiglio
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Angela Chambery
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Rosita Russo
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Assunta Esposito
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Brigida D'Abrosca
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Antonio Fiorentino
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Antonio Lupini
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Francesco Sunseri
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy
| | - Maria Rosa Abenavoli
- Department of AGRARIA, University Mediterranea of Reggio Calabria, Località Feo di Vito, I-89122 Reggio Calabria, RC, Italy; Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, Second University of Naples, via Vivaldi 43, I-81100 Caserta, Italy.
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24
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Hoermiller II, Naegele T, Augustin H, Stutz S, Weckwerth W, Heyer AG. Subcellular reprogramming of metabolism during cold acclimation in Arabidopsis thaliana. PLANT, CELL & ENVIRONMENT 2017; 40:602-610. [PMID: 27642699 DOI: 10.1111/pce.12836] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 09/10/2016] [Indexed: 05/18/2023]
Abstract
Metabolite changes in plant leaves during exposure to low temperatures involve re-allocation of a large number of metabolites between sub-cellular compartments. Therefore, metabolite determination at the whole cell level may be insufficient for interpretation of the functional significance of cellular compounds. To investigate the cold-induced metabolite dynamics at the level of individual sub-cellular compartments, an integrative platform was developed that combines quantitative metabolite profiling by gas chromatography coupled to mass spectrometry (GC-MS) with the non-aqueous fractionation technique allowing separation of cytosol, vacuole and the plastidial compartment. Two mutants of Arabidopsis thaliana representing antipodes in the diversion of carbohydrate metabolism between sucrose and starch were compared to Col-0 wildtype before and after cold acclimation to investigate interactions of cold acclimation with subcellular re-programming of metabolism. A multivariate analysis of the data set revealed dominant effects of compartmentation on metabolite concentrations that were modulated by environmental condition and genetic determinants. While for both, the starchless mutant of plastidial phospho-gluco mutase (pgm) and a mutant defective in sucrose-phosphate synthase A1, metabolic constraints, especially at low temperature, could be uncovered based on subcellularly resolved metabolite profiles, only pgm had lowered freezing tolerance. Metabolic profiles of pgm point to redox imbalance as a possible reason for reduced cold acclimation capacity.
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Affiliation(s)
- Imke I Hoermiller
- Institute of Biomaterials and Biomolecular Systems, Department of Plant Biotechnology, University of Stuttgart, 70569, Stuttgart, Germany
| | - Thomas Naegele
- Department of Ecogenomics and Systems Biology, University of Vienna, Althanstr. 14, 1090, Vienna, Austria
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstr. 14, 1090, Vienna, Austria
| | - Hanna Augustin
- Institute of Biomaterials and Biomolecular Systems, Department of Plant Biotechnology, University of Stuttgart, 70569, Stuttgart, Germany
| | - Simon Stutz
- Institute of Biomaterials and Biomolecular Systems, Department of Plant Biotechnology, University of Stuttgart, 70569, Stuttgart, Germany
| | - Wolfram Weckwerth
- Department of Ecogenomics and Systems Biology, University of Vienna, Althanstr. 14, 1090, Vienna, Austria
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstr. 14, 1090, Vienna, Austria
| | - Arnd G Heyer
- Institute of Biomaterials and Biomolecular Systems, Department of Plant Biotechnology, University of Stuttgart, 70569, Stuttgart, Germany
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25
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Abeynayake SW, Byrne S, Nagy I, Jonavičienė K, Etzerodt TP, Boelt B, Asp T. Changes in Lolium perenne transcriptome during cold acclimation in two genotypes adapted to different climatic conditions. BMC PLANT BIOLOGY 2015; 15:250. [PMID: 26474965 PMCID: PMC4609083 DOI: 10.1186/s12870-015-0643-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 10/12/2015] [Indexed: 05/20/2023]
Abstract
BACKGROUND Activation of numerous protective mechanisms during cold acclimation is important for the acquisition of freezing tolerance in perennial ryegrass (Lolium perenne L.). To elucidate the molecular mechanisms of cold acclimation in two genotypes ('Veyo' and 'Falster') of perennial ryegrass from distinct geographical origins, we performed transcriptome profiling during cold acclimation using RNA-Seq. METHODS We cold-acclimated plants from both genotypes in controlled conditions for a period of 17 days and isolated Total RNA at various time points for high throughput sequencing using Illumina technology. RNA-seq reads were aligned to genotype specific references to identify transcripts with significant changes in expression during cold acclimation. RESULTS The genes induced were involved in protective mechanisms such as cell response to abiotic stimulus, signal transduction, redox homeostasis, plasma membrane and cell wall modifications, and carbohydrate metabolism in both genotypes. 'Falster' genotype, adapted to cold climates, showed a stronger transcriptional differentiation during cold acclimation, and more differentially expressed transcripts related to stress, signal transduction, response to abiotic stimulus, and metabolic processes compared to 'Veyo'. 'Falster' genotype also showed an induction of more transcripts with sequence homology to fructosyltransferase genes (FTs) and a higher fold induction of fructan in response to low-temperature stress. The circadian rhythm network was perturbed in the 'Veyo' genotype adapted to warmer climates. CONCLUSION In this study, the differentially expressed genes during cold acclimation, potentially involved in numerous protective mechanisms, were identified in two genotypes of perennial ryegrass from distinct geographical origins. The observation that the circadian rhythm network was perturbed in 'Veyo' during cold acclimation may point to a low adaptability of 'Veyo' to low temperature stresses. This study also revealed the transcriptional mechanisms underlying carbon allocation towards fructan biosynthesis in perennial ryegrass.
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Affiliation(s)
- Shamila Weerakoon Abeynayake
- Department of Agroecology - Crop Health, Aarhus University, Slagelse, Denmark.
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Slagelse, Denmark.
| | - Stephen Byrne
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Slagelse, Denmark.
| | - Istvan Nagy
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Slagelse, Denmark.
| | - Kristina Jonavičienė
- Laboratory of Genetics and Physiology, Institute of Agriculture, Lithuanian Research Centre for Agriculture and Forestry, Kėdainiai distr, Lithuania.
| | | | - Birte Boelt
- Department of Agroecology - Crop Health, Aarhus University, Slagelse, Denmark.
| | - Torben Asp
- Department of Molecular Biology and Genetics, Science and Technology, Aarhus University, Slagelse, Denmark.
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