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Rehman AU, Iso-Touru T, Junkers J, Rantanen M, Karhu S, Fischer D, Alsheikh M, Hjeltnes SH, Mezzetti B, Davik J, Schulman AH, Hytönen T, Haikonen T. Multi-model GWAS reveals key loci for horticultural traits in reconstructed garden strawberry. PHYSIOLOGIA PLANTARUM 2024; 176:e14440. [PMID: 39030778 DOI: 10.1111/ppl.14440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 06/08/2024] [Accepted: 06/10/2024] [Indexed: 07/22/2024]
Abstract
The cultivated garden strawberry (Fragaria × ananassa) has a rich history, originating from the hybridization of two wild octoploid strawberry species in the 18th century. Two-step reconstruction of Fragaria × ananassa through controlled crossings between pre-improved selections of its parental species is a promising approach for enriching the breeding germplasm of strawberry for wider adaptability. We created a population of reconstructed strawberry by hybridizing elite selections of F. virginiana and F. chiloensis. A replicated field experiment was conducted to evaluate the population's performance for eleven horticulturally important traits, over multiple years. Population structure analyses based on Fana-50 k SNP array data confirmed pedigree-based grouping of the progenies into four distinct groups. As complex traits are often influenced by environmental variables, and population structure can lead to spurious associations, we tested multiple genome-wide association study (GWAS) models. GWAS uncovered 39 quantitative trait loci (QTL) regions for eight traits distributed across twenty chromosomes, including 11 consistent and 28 putative QTLs. Candidate genes for traits including winter survival, flowering time, runnering vigor, and hermaphrodism were identified within the QTL regions. To our knowledge, this study marks the first comprehensive investigation of adaptive and horticultural traits in a large, multi-familial reconstructed strawberry population using SNP markers.
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Affiliation(s)
- Attiq Ur Rehman
- Natural Resources Institute Finland (Luke), Finland
- Doctoral Program in Plant Sciences, University of Helsinki, Finland
| | | | - Jakob Junkers
- Norwegian Institute of Bioeconomy Research, Ås, Norway
| | | | - Saila Karhu
- Natural Resources Institute Finland (Luke), Finland
| | | | - Muath Alsheikh
- Graminor AS, Norway
- Faculty of Life Sciences, Department of Plant Sciences, Norwegian University of Life Sciences, Ås, Norway
| | | | - Bruno Mezzetti
- Department of Agriculture, Food and Environmental Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Jahn Davik
- Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - Alan H Schulman
- Natural Resources Institute Finland (Luke), Finland
- Viikki Plant Science Centre, Finland
- Institute of Biotechnology, University of Helsinki, Finland
| | - Timo Hytönen
- Viikki Plant Science Centre, Finland
- Department of Agricultural Sciences, University of Helsinki, Finland
| | - Tuuli Haikonen
- Natural Resources Institute Finland (Luke), Finland
- Viikki Plant Science Centre, Finland
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2
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Chang CY, Unda F, Mansfield SD, Ensminger I. Rapid response of nonstructural carbohydrate allocation and photosynthesis to short photoperiod, low temperature, or elevated CO 2 in Pinus strobus. PHYSIOLOGIA PLANTARUM 2023; 175:e14095. [PMID: 38148184 DOI: 10.1111/ppl.14095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 10/16/2023] [Accepted: 10/24/2023] [Indexed: 12/28/2023]
Abstract
During autumn, decreasing photoperiod and temperature temporarily perturb the balance between carbon uptake and carbon demand in overwintering plants, requiring coordinated adjustments in photosynthesis and carbon allocation to re-establish homeostasis. Here we examined adjustments of photosynthesis and allocation of nonstructural carbohydrates (NSCs) following a sudden shift to short photoperiod, low temperature, and/or elevated CO2 in Pinus strobus seedlings. Seedlings were initially acclimated to 14 h photoperiod (22/15°C day/night) and ambient CO2 (400 ppm) or elevated CO2 (800 ppm). Seedlings were then shifted to 8 h photoperiod for one of three treatments: no temperature change at ambient CO2 (22/15°C, 400 ppm), low temperature at ambient CO2 (12/5°C, 400 ppm), or no temperature change at elevated CO2 (22/15°C, 800 ppm). Short photoperiod caused all seedlings to exhibit partial nighttime depletion of starch. Short photoperiod alone did not affect photosynthesis. Short photoperiod combined with low temperature caused hexose accumulation and repression of photosynthesis within 24 h, followed by a transient increase in nonphotochemical quenching (NPQ). Under long photoperiod, plants grown under elevated CO2 exhibited significantly higher NSCs and photosynthesis compared to ambient CO2 plants, but carbon uptake exceeded sink capacity, leading to elevated NPQ; carbon sink capacity was restored and NPQ relaxed within 24 h after shift to short photoperiod. Our findings indicate that P. strobus rapidly adjusts NSC allocation, not photosynthesis, to accommodate short photoperiod. However, the combination of short photoperiod and low temperature, or long photoperiod and elevated CO2 disrupts the balance between photosynthesis and carbon sink capacity, resulting in increased NPQ to alleviate excess energy.
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Affiliation(s)
- Christine Y Chang
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
- Graduate Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
| | - Faride Unda
- Department of Wood Science, University of British Columbia, Vancouver, BC, Canada
| | - Shawn D Mansfield
- Department of Wood Science, University of British Columbia, Vancouver, BC, Canada
- Department of Botany, University of British Columbia, Vancouver, BC, Canada
| | - Ingo Ensminger
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
- Graduate Department of Cell & Systems Biology, University of Toronto, Toronto, ON, Canada
- Graduate Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, Canada
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Liu G, Wang Y, Lian B, Ma Z, Xiang X, Wu J, Luo C, Ma D, Chen Y, Yu C, Zhong F, Wei H, Zhang J. Molecular responses to salinity stress in Salix matsudana (Koidz) females and males. FRONTIERS IN PLANT SCIENCE 2023; 14:1122197. [PMID: 36778681 PMCID: PMC9911873 DOI: 10.3389/fpls.2023.1122197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 01/12/2023] [Indexed: 06/18/2023]
Abstract
Sexual dimorphism has commonly been found in many species. The phenotypes of Salix matsudana females and males are different under salinity stress. An F1 population was selected to compare the differences between males and females. As a result, males showed stronger roots and heavier dry weights than females. The unique molecular mechanisms of males and females under salinity stress were further analyzed based on the root transcriptome of males and females. Both males and females up-regulated systemic acquired resistance genes, such as ADH and oxygenase-related genes, to resist salt. Moreover, many other abiotic stress response genes were up-regulated in males to adjust to salinity stress, while females showed more down-regulation of nitrogen metabolism-related genes to decrease the harm from salinity stress. The research on salinity tolerance in Salix matsudana males and females would help to further understand sexual dimorphism under selection pressure and provide benefits to the ecological environment.
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Affiliation(s)
- Guoyuan Liu
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Yuqing Wang
- School of Life Science, Nantong University, Nantong, China
| | - Bolin Lian
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Ziqi Ma
- School of Life Science, Nantong University, Nantong, China
| | - Xiaoting Xiang
- School of Life Science, Nantong University, Nantong, China
| | - Jing Wu
- School of Life Science, Nantong University, Nantong, China
| | - Chunying Luo
- School of Life Science, Nantong University, Nantong, China
| | - Duojin Ma
- School of Life Science, Nantong University, Nantong, China
| | - Yanhong Chen
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Chunmei Yu
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Fei Zhong
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Hui Wei
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
| | - Jian Zhang
- School of Life Science, Nantong University, Nantong, China
- Key Lab of Landscape Plant Genetics and Breeding, Nantong, China
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Ge C, Wang L, Yang Y, Liu R, Liu S, Chen J, Shen Q, Ma H, Li Y, Zhang S, Pang C. Genome-wide association study identifies variants of GhSAD1 conferring cold tolerance in cotton. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2222-2237. [PMID: 34919655 DOI: 10.1093/jxb/erab555] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
Cold stress is a major environmental factor affecting plant growth and development. Although some plants have developed resistance to cold stress, the molecular mechanisms underlying this process are poorly understood. Using genome-wide association mapping with 200 cotton accessions collected from different regions, we identified variations in the short chain alcohol dehydrogenase gene, GhSAD1, that responds to cold stress. Virus-induced gene silencing and overexpression in Arabidopsis revealed that GhSAD1 fulfils important roles in cold stress responses. Ectopic expression of a haploid genotype of GhSAD1 (GhSAD1HapB) in Arabidopsis increased cold tolerance. Silencing of GhSAD1HapB resulted in a decrease in abscisic acid (ABA) content. Conversely, overexpression of GhSAD1HapB increased ABA content. GhSAD1HapB regulates cold stress responses in cotton through modulation of C-repeat binding factor activity, which regulates ABA signalling. GhSAD1HapB induces the expression of COLD-REGULATED (COR) genes and increases the amount of metabolites associated with cold stress tolerance. Overexpression of GhSAD1HapB partially complements the phenotype of the Arabidopsis ABA2 mutant, aba2-1. Collectively, these findings increase our understanding of the mechanisms underlying GhSAD1-mediated cold stress responses in cotton.
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Affiliation(s)
- Changwei Ge
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
| | - Li Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
| | - Yongfei Yang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Ruihua Liu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Shaodong Liu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Jing Chen
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Qian Shen
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Huijuan Ma
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Yang Li
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Siping Zhang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
| | - Chaoyou Pang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou, China
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Rathore N, Thakur D, Kumar D, Chawla A, Kumar S. Time-series eco-metabolomics reveals extensive reshuffling in metabolome during transition from cold acclimation to de-acclimation in an alpine shrub. PHYSIOLOGIA PLANTARUM 2021; 173:1824-1840. [PMID: 34379811 DOI: 10.1111/ppl.13524] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 07/15/2021] [Indexed: 06/13/2023]
Abstract
Recording environmentally induced variations in the metabolome in plants can be a promising approach for understanding the complex patterns of metabolic regulation and their eco-physiological consequences. Here, we studied metabolome-wide changes and eco-physiological adjustments occurring across the year at high elevation environments in the leaf tissue of Rhododendron anthopogon, an alpine evergreen shrub of the Himalaya. New leaves of R. anthopogon appear after the snow-melt and remain intact even when the plants get covered under snow (November-June). During this whole period, they may undergo several physiological and biochemical adjustments in response to fluctuating temperatures and light conditions. To understand these changes, we analyzed eco-physiological traits, that is, freezing resistance, dry matter content and % of nitrogen and the overall metabolome across 10 different time-points, from August until the snowfall in November 2017, and then from June to August 2018. As anticipated, the freezing resistance increased toward the onset of winters. The leaf tissues exhibited a complete reshuffling of the metabolome during the growth cycle and time-points segregated into four clusters directly correlating with distinct phases of acclimation: non-acclimation (August 22, 2017; August 14, 2018), early cold acclimation (September 12, September 29, October 11, 2017), late cold acclimation (October 23, November 4, 2017), and de-acclimation (June 15, June 28, July 14, 2018). Cold acclimation involved metabolic progression (101 metabolites) with an increase of up to 19.4-fold (gentiobiose), whereas de-acclimation showed regression (120 metabolites) with a decrease of up to 30-fold (sucrose). The changes in the metabolome during de-acclimation were maximum and were not just a reversal of cold acclimation. Our results provided insights into the direction and magnitude of physiological changes in Rhododendron anthopogon that occurred across the year.
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Affiliation(s)
- Nikita Rathore
- Environmental Technology Division, CSIR-Institute of Himalayan Bioresource Technology (CSIR-IHBT), Palampur, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Dinesh Thakur
- Environmental Technology Division, CSIR-Institute of Himalayan Bioresource Technology (CSIR-IHBT), Palampur, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Dinesh Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Chemical Technology Division, CSIR-IHBT, Palampur, India
| | - Amit Chawla
- Environmental Technology Division, CSIR-Institute of Himalayan Bioresource Technology (CSIR-IHBT), Palampur, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sanjay Kumar
- Biotechnology Division, CSIR-IHBT, Palampur, India
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Kundrátová K, Bartas M, Pečinka P, Hejna O, Rychlá A, Čurn V, Červeň J. Transcriptomic and Proteomic Analysis of Drought Stress Response in Opium Poppy Plants during the First Week of Germination. PLANTS 2021; 10:plants10091878. [PMID: 34579414 PMCID: PMC8465278 DOI: 10.3390/plants10091878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/30/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022]
Abstract
Water deficiency is one of the most significant abiotic stresses that negatively affects growth and reduces crop yields worldwide. Most research is focused on model plants and/or crops which are most agriculturally important. In this research, drought stress was applied to two drought stress contrasting varieties of Papaver somniferum (the opium poppy), a non-model plant species, during the first week of its germination, which differ in responses to drought stress. After sowing, the poppy seedlings were immediately subjected to drought stress for 7 days. We conducted a large-scale transcriptomic and proteomic analysis for drought stress response. At first, we found that the transcriptomic and proteomic profiles significantly differ. However, the most significant findings are the identification of key genes and proteins with significantly different expressions relating to drought stress, e.g., the heat-shock protein family, dehydration responsive element-binding transcription factors, ubiquitin E3 ligase, and others. In addition, metabolic pathway analysis showed that these genes and proteins were part of several biosynthetic pathways most significantly related to photosynthetic processes, and oxidative stress responses. A future study will focus on a detailed analysis of key genes and the development of selection markers for the determination of drought-resistant varieties and the breeding of new resistant lineages.
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Affiliation(s)
- Kristýna Kundrátová
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Martin Bartas
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Petr Pečinka
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
| | - Ondřej Hejna
- Department of Genetics and Agricultural Biotechnology, Faculty of Agriculture, University of South Bohemia, Studentská 1668, 370 05 České Budějovice, Czech Republic;
| | - Andrea Rychlá
- Research Institute of Oilseed Crops, OSEVA PRO. Ltd., Purkyňova 10, 764 01 Opava, Czech Republic;
| | - Vladislav Čurn
- Department of Genetics and Agricultural Biotechnology, Faculty of Agriculture, University of South Bohemia, Studentská 1668, 370 05 České Budějovice, Czech Republic;
- Correspondence: (V.Č.); (J.Č.)
| | - Jiří Červeň
- Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, 710 00 Ostrava, Czech Republic; (K.K.); (M.B.); (P.P.)
- Correspondence: (V.Č.); (J.Č.)
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Waghmode B, Masoodi L, Kushwaha K, Mir JI, Sircar D. Volatile components are non-invasive biomarkers to track shelf-life and nutritional changes in apple cv. ‘Golden Delicious’ during low-temperature postharvest storage. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.104075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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8
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Accumulation Dynamics of Transcripts and Proteins of Cold-Responsive Genes in Fragaria vesca Genotypes of Differing Cold Tolerance. Int J Mol Sci 2021; 22:ijms22116124. [PMID: 34200124 PMCID: PMC8201005 DOI: 10.3390/ijms22116124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/13/2021] [Accepted: 05/27/2021] [Indexed: 11/29/2022] Open
Abstract
Identifying and characterizing cold responsive genes in Fragaria vesca associated with or responsible for low temperature tolerance is a vital part of strawberry cultivar development. In this study we have investigated the transcript levels of eight genes, two dehydrin genes, three putative ABA-regulated genes, two cold–inducible CBF genes and the alcohol dehydrogenase gene, extracted from leaf and crown tissues of three F. vesca genotypes that vary in cold tolerance. Transcript levels of the CBF/DREB1 transcription factor FvCBF1E exhibited stronger cold up-regulation in comparison to FvCBF1B.1 in all genotypes. Transcripts of FvADH were highly up-regulated in both crown and leaf tissues from all three genotypes. In the ‘ALTA’ genotype, FvADH transcripts were significantly higher in leaf than crown tissues and more than 10 to 20-fold greater than in the less cold-tolerant ‘NCGR1363’ and ‘FDP817’ genotypes. FvGEM, containing the conserved ABRE promoter element, transcript was found to be cold-regulated in crowns. Direct comparison of the kinetics of transcript and protein accumulation of dehydrins was scrutinized. In all genotypes and organs, the changes of XERO2 transcript levels generally preceded protein changes, while levels of COR47 protein accumulation preceded the increases in COR47 RNA in ‘ALTA’ crowns.
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Davik J, Wilson RC, Njah RG, Grini PE, Randall SK, Alsheik MK, Sargent DJ. Genetic mapping and identification of a QTL determining tolerance to freezing stress in Fragaria vesca L. PLoS One 2021; 16:e0248089. [PMID: 34019543 PMCID: PMC8139484 DOI: 10.1371/journal.pone.0248089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/05/2021] [Indexed: 11/22/2022] Open
Abstract
Extreme cold and frost cause significant stress to plants which can potentially be lethal. Low temperature freezing stress can cause significant and irreversible damage to plant cells and can induce physiological and metabolic changes that impact on growth and development. Low temperatures cause physiological responses including winter dormancy and autumn cold hardening in strawberry (Fragaria) species, and some diploid F. vesca accessions have been shown to have adapted to low-temperature stresses. To study the genetics of freezing tolerance, a F. vesca mapping population of 143 seedlings segregating for differential responses to freezing stress was raised. The progeny was mapped using ‘Genotyping-by-Sequencing’ and a linkage map of 2,918 markers at 851 loci was resolved. The mapping population was phenotyped for freezing tolerance response under controlled and replicated laboratory conditions and subsequent quantitative trait loci analysis using interval mapping revealed a single significant quantitative trait locus on Fvb2 in the physical interval 10.6 Mb and 15.73 Mb on the F. vesca v4.0 genome sequence. This physical interval contained 896 predicted genes, several of which had putative roles associated with tolerance to abiotic stresses including freezing. Differential expression analysis of the 896 QTL-associated gene predictions in the leaves and crowns from ‘Alta’ and ‘NCGR1363’ parental genotypes revealed genotype-specific changes in transcript accumulation in response to low temperature treatment as well as expression differences between genotypes prior to treatment for many of the genes. The putative roles, and significant interparental differential expression levels of several of the genes reported here identified them as good candidates for the control of the effects of freezing tolerance at the QTL identified in this investigation and the possible role of these candidate genes in response to freezing stress is discussed.
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Affiliation(s)
- Jahn Davik
- Division of Biotechnology and Plant Health, Norwegian Institute of Bioeconomy Research, Ås, Norway
- * E-mail:
| | - Robert C. Wilson
- Department of Biotechnology, Faculty of Applied Ecology, Agricultural Sciences & Biotechnology, Inland Norway University of Applied Sciences, Hamar, Norway
| | - Relindis G. Njah
- Department of Biotechnology, Faculty of Applied Ecology, Agricultural Sciences & Biotechnology, Inland Norway University of Applied Sciences, Hamar, Norway
- Department of Biosciences, Section for Genetics and Evolutionary Biology, University of Oslo, Oslo, Norway
| | - Paul E. Grini
- Department of Biosciences, Section for Genetics and Evolutionary Biology, University of Oslo, Oslo, Norway
| | - Stephen K. Randall
- Department of Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, United States of America
| | - Muath K. Alsheik
- Graminor Breeding Ltd., Ridabu, Norway
- Department of Plant Sciences, Norwegian University of Life Sciences, Ås, Norway
| | - Daniel James Sargent
- Department of Genetics, Genomics and Breeding, NIAB-EMR, East Malling, Kent, United Kingdom
- Natural Resources Institute, University of Greenwich, Medway Campus, Chatham Maritime, Kent, United Kingdom
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Lubbe FC, Henry HAL. The role of perennation traits in plant community soil frost stress responses. ANNALS OF BOTANY 2020; 126:873-881. [PMID: 32478386 PMCID: PMC7539335 DOI: 10.1093/aob/mcaa104] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Accepted: 05/25/2020] [Indexed: 05/12/2023]
Abstract
BACKGROUND AND AIMS Herbaceous plants can survive periods of prolonged freezing as below-ground structures or seed, which can be insulated from cold air by soil, litter or snow. Below-ground perennial structures vary in both form and their exposure to soil frost, and this structural variation thus may be important in determining the responses of plant communities to frost stress. METHODS We conducted a suite of snow removal experiments in a northern temperate old field over 3 years to examine the relative freezing responses of different plant functional groups based on below-ground perennation traits. A litter removal treatment was added in the third year. Species-level percentage cover data were recorded in May, June and September then pooled by functional group. KEY RESULTS Snow removal decreased total plant cover, and this response was particularly strong and consistent among years for tap-rooted and rhizomatous species. The snow removal responses of cover for plants with root buds and new recruits from seed varied from positive to negative among years. The cover of rootstock plants consistently increased in response to snow removal. Rhizomatous species were generally the most vulnerable to litter removal. CONCLUSIONS This study is the first to explore the effects of variation in frost severity on the responses of different plant perennation trait functional groups. The responses of herbaceous species to frost may become increasingly important in northern temperate regions in the coming decades as a result of declining snow cover and increasing temperature variability. Our results reveal substantial variation in responses among perennation trait functional groups, which could drive changes in species abundance in response to variation in soil frost.
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Affiliation(s)
- Frederick Curtis Lubbe
- Department of Biology, University of Western Ontario, London, Ontario, Canada
- Institute of Botany of the Czech Academy of Sciences, Dukelská, Třeboň, Czech Republic
- For correspondence. E-mail
| | - Hugh A L Henry
- Department of Biology, University of Western Ontario, London, Ontario, Canada
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11
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Su W, Ren Y, Wang D, Su Y, Feng J, Zhang C, Tang H, Xu L, Muhammad K, Que Y. The alcohol dehydrogenase gene family in sugarcane and its involvement in cold stress regulation. BMC Genomics 2020; 21:521. [PMID: 32727370 PMCID: PMC7392720 DOI: 10.1186/s12864-020-06929-9] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 07/20/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Alcohol dehydrogenases (ADHs) in plants are encoded by a multigene family. ADHs participate in growth, development, and adaptation in many plant species, but the evolution and function of the ADH gene family in sugarcane is still unclear. RESULTS In the present study, 151 ADH genes from 17 species including 32 ADH genes in Saccharum spontaneum and 6 ADH genes in modern sugarcane cultivar R570 were identified. Phylogenetic analysis demonstrated two groups of ADH genes and suggested that these genes underwent duplication during angiosperm evolution. Whole-genome duplication (WGD)/segmental and dispersed duplications played critical roles in the expansion of ADH family in S. spontaneum and R570, respectively. ScADH3 was cloned and preferentially expressed in response to cold stress. ScADH3 conferred improved cold tolerance in E. coli cells. Ectopic expression showed that ScADH3 can also enhance cold tolerance in transgenic tobacco. The accumulation of reactive oxygen species (ROS) in leaves of transgenic tobacco was significantly lower than in wild-type tobacco. The transcript levels of ROS-related genes in transgenic tobacco increased significantly. ScADH3 seems to affect cold tolerance by regulating the ROS-related genes to maintain the ROS homeostasis. CONCLUSIONS This study depicted the size and composition of the ADH gene family in 17 species, and investigated their evolution pattern. Comparative genomics analysis among the ADH gene families of S. bicolor, R570 and S. spontaneum revealed their close evolutionary relationship. Functional analysis suggested that ScADH3, which maintained the steady state of ROS by regulating ROS-related genes, was related to cold tolerance. These findings will facilitate research on evolutionary and functional aspects of the ADH genes in sugarcane, especially for the understanding of ScADH3 under cold stress.
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Affiliation(s)
- Weihua Su
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Yongjuan Ren
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Dongjiao Wang
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Yachun Su
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Jingfang Feng
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Chang Zhang
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Hanchen Tang
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Liping Xu
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China
| | - Khushi Muhammad
- Department of Genetics, Hazara University, Mansehra, Pakistan
| | - Youxiong Que
- Key Laboratory of Sugarcane Biology and Genetic Breeding, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China. .,Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.
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12
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Pott DM, Vallarino JG, Osorio S. Metabolite Changes during Postharvest Storage: Effects on Fruit Quality Traits. Metabolites 2020; 10:metabo10050187. [PMID: 32397309 PMCID: PMC7281412 DOI: 10.3390/metabo10050187] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 05/06/2020] [Indexed: 12/13/2022] Open
Abstract
Metabolic changes occurring in ripe or senescent fruits during postharvest storage lead to a general deterioration in quality attributes, including decreased flavor and ‘off-aroma’ compound generation. As a consequence, measures to reduce economic losses have to be taken by the fruit industry and have mostly consisted of storage at cold temperatures and the use of controlled atmospheres or ripening inhibitors. However, the biochemical pathways and molecular mechanisms underlying fruit senescence in commercial storage conditions are still poorly understood. In this sense, metabolomic platforms, enabling the profiling of key metabolites responsible for organoleptic and health-promoting traits, such as volatiles, sugars, acids, polyphenols and carotenoids, can be a powerful tool for further understanding the biochemical basis of postharvest physiology and have the potential to play a critical role in the identification of the pathways affected by fruit senescence. Here, we provide an overview of the metabolic changes during postharvest storage, with special attention to key metabolites related to fruit quality. The potential use of metabolomic approaches to yield metabolic markers useful for chemical phenotyping or even storage and marketing decisions is highlighted.
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Affiliation(s)
| | - José G. Vallarino
- Correspondence: (J.G.V.); (S.O.); Tel.: +34-952134271 (J.G.V. & S.O.)
| | - Sonia Osorio
- Correspondence: (J.G.V.); (S.O.); Tel.: +34-952134271 (J.G.V. & S.O.)
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13
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Zhao J, Quan P, Liu H, Li L, Qi S, Zhang M, Zhang B, Li H, Zhao Y, Ma B, Han M, Zhang H, Xing L. Transcriptomic and Metabolic Analyses Provide New Insights into the Apple Fruit Quality Decline during Long-Term Cold Storage. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4699-4716. [PMID: 32078318 DOI: 10.1021/acs.jafc.9b07107] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Long-term low-temperature conditioning (LT-LTC) decreases apple fruit quality, but the underlying physiological and molecular basis is relatively uncharacterized. We identified 12 clusters of differentially expressed genes (DEGs) involved in multiple biological processes (i.e., sugar, malic acid, fatty acid, lipid, complex phytohormone, and stress-response pathways). The expression levels of genes in sugar pathways were correlated with decreasing starch levels during LT-LTC. Specifically, starch-synthesis-related genes (e.g., BE, SBE, and GBSS genes) exhibited downregulated expression, whereas sucrose-metabolism-related gene expression levels were up- or downregulated. The expression levels of genes in the malic acid pathway (ALMT9, AATP1, and AHA2) were upregulated, as well as the content of malic acid in apple fruit during LT-LTC. A total of 151 metabolites, mainly related to amino acids and their isoforms, amines, organic acids, fatty acids, sugars, and polyols, were identified during LT-LTC. Additionally, 35 organic-acid-related metabolites grouped into three clusters, I (3), II (22), and III (10), increased in abundance during LT-LTC. Multiple phytohormones regulated the apple fruit chilling injury response. The ethylene (ET) and abscisic acid (ABA) levels increased at CS2 and CS3, and jasmonate (JA) levels also increased during LT-LTC. Furthermore, the expression levels of genes involved in ET, ABA, and JA synthesis and response pathways were upregulated. Finally, some key transcription factor genes (MYB, bHLH, ERF, NAC, and bZIP genes) related to the apple fruit cold acclimation response were differentially expressed. Our results suggest that the multilayered mechanism underlying apple fruit deterioration during LT-LTC is a complex, transcriptionally regulated process involving cell structures, sugars, lipids, hormones, and transcription factors.
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Affiliation(s)
- Juan Zhao
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture Rural Affairs, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Shaanxi Key Laboratory of Agriculture Information Perception and Intelligent Service, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Pengkun Quan
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Hangkong Liu
- College of Horticulture, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Lei Li
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Siyan Qi
- College of Horticulture, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Mengsheng Zhang
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Bo Zhang
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Hao Li
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Yanru Zhao
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture Rural Affairs, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Shaanxi Key Laboratory of Agriculture Information Perception and Intelligent Service, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Baiquan Ma
- College of Horticulture, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Mingyu Han
- College of Horticulture, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Haihui Zhang
- College of Mechanical and Electronic Engineering, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture Rural Affairs, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Shaanxi Key Laboratory of Agriculture Information Perception and Intelligent Service, 712100 Xianyang, Yangling, Shaanxi, P. R. China
| | - Libo Xing
- College of Horticulture, Northwest A&F University, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Key Laboratory of Agricultural Internet of Things, Ministry of Agriculture Rural Affairs, 712100 Xianyang, Yangling, Shaanxi, P. R. China
- Shaanxi Key Laboratory of Agriculture Information Perception and Intelligent Service, 712100 Xianyang, Yangling, Shaanxi, P. R. China
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14
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Song Y, Liu L, Ma X. CbADH1 improves plant cold tolerance. PLANT SIGNALING & BEHAVIOR 2019; 14:1612680. [PMID: 31056000 PMCID: PMC6620001 DOI: 10.1080/15592324.2019.1612680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/19/2019] [Accepted: 04/23/2019] [Indexed: 05/21/2023]
Abstract
ADH1 (alcohol dehydrogenase 1) was involved in plant growth and development and responded to various stresses. We published a cold-induced alcohol dehydrogenase 1 gene from C. bungeana, CbADH1, which exists 43 unique amino acids. Here, we confirmed that overexpression of CbADH1 in Arabidopsis and tobacco significantly improved cold shock tolerance through electrolyte leakage, semi-lethal temperature, phenotypic and survival analysis. These results indicate that CbADH1 is the candidate gene to improve the ability of plant freezing resistance, and it has great application value.
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Affiliation(s)
- Yuan Song
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Lijun Liu
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Xiang Ma
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, China
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15
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Chai F, Liu W, Xiang Y, Meng X, Sun X, Cheng C, Liu G, Duan L, Xin H, Li S. Comparative metabolic profiling of Vitis amurensis and Vitis vinifera during cold acclimation. HORTICULTURE RESEARCH 2019; 6:8. [PMID: 30603094 PMCID: PMC6312538 DOI: 10.1038/s41438-018-0083-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 07/19/2018] [Accepted: 08/01/2018] [Indexed: 05/20/2023]
Abstract
Vitis amurensis is a wild Vitis plant that can withstand extreme cold temperatures. However, the accumulation of metabolites during cold acclimation (CA) in V. amurensis remains largely unknown. In this study, plantlets of V. amurensis and V. vinifera cv. Muscat of Hamburg were treated at 4 °C for 24 and 72 h, and changes of metabolites in leaves were detected by gas chromatography coupled with time-of-flight mass spectrometry. Most of the identified metabolites, including carbohydrates, amino acids, and organic acids, accumulated in the two types of grape after CA. Galactinol, raffinose, fructose, mannose, glycine, and ascorbate were continuously induced by cold in V. amurensis, but not in Muscat of Hamburg. Twelve metabolites, including isoleucine, valine, proline, 2-oxoglutarate, and putrescine, increased in V. amurensis during CA. More galactinol, ascorbate, 2-oxoglutarate, and putrescine, accumulated in V. amurensis, but not in Muscat of Hamburg, during CA, which may be responsible for the excellent cold tolerance in V. amurensis. The expression levels of the genes encoding β-amylase (BAMY), galactinol synthase (GolS), and raffinose synthase (RafS) were evaluated by quantitative reverse transcription-PCR. The expression BAMY (VIT_02s0012 g00170) and RafS (VIT_05s0077 g00840) were primarily responsible for the accumulation of maltose and raffinose, respectively. The accumulation of galactinol was attributed to different members of GolS in the two grapes. In conclusion, these results show the inherent differences in metabolites between V. amurensis and V. vinifera under CA.
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Affiliation(s)
- Fengmei Chai
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R. China
- Beijing Key Laboratory of Grape Sciences and Enology, CAS Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Wenwen Liu
- Beijing Key Laboratory of Grape Sciences and Enology, CAS Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Yue Xiang
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Xianbin Meng
- Key Laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
| | - Xiaoming Sun
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R. China
- Beijing Key Laboratory of Grape Sciences and Enology, CAS Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
| | - Cheng Cheng
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Guotian Liu
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling, Shaanxi P.R. China
| | - Lixin Duan
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, P.R. China
| | - Haiping Xin
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, P.R. China
| | - Shaohua Li
- Beijing Key Laboratory of Grape Sciences and Enology, CAS Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing, P.R. China
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16
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Edrisi Maryan K, Samizadeh Lahiji H, Farrokhi N, Hasani Komeleh H. Analysis of Brassica napus dehydrins and their Co-Expression regulatory networks in relation to cold stress. Gene Expr Patterns 2018; 31:7-17. [PMID: 30408599 DOI: 10.1016/j.gep.2018.10.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 10/21/2018] [Accepted: 10/22/2018] [Indexed: 10/27/2022]
Abstract
Dehydrins (DHNs) are plant specific cold and drought stress-responsive proteins that belong to late embryogenesis abundant (LEA) protein families. B. napus DHNs (BnDHNs) were computationally analyzed to establish gene regulatory- and protein-protein interaction networks. Promoter analyses suggested functionality of phytohormones in BnDHNs gene network. The relative expressions of some BnDHNs were analyzed using qRT-PCR in seedling leaves of both cold-tolerant (Zarfam) and -sensitive (Sari Gul) canola treated/untreated by cold. Our expression data were indicative of the importance of BnDHNs in cold tolerance in Zarfam. BnDHNs were classified into three classes according to the expression pattern. Moreover, expression of three BnDHN types, SKn (BnLEA10 and BnLEA18), YnKn (BnLEA90) and YnSKn (BnLEA104) were significantly high in the tolerant cultivar at 12 h of cold treatment. Our findings put forward the possibility of considering these genes as screening biomarker to determine cold-tolerant breeding lines; something that needs to be further corroborated. Furthermore, these genes may have some implications in developing such tolerant lines via transgenesis.
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Affiliation(s)
- Khazar Edrisi Maryan
- Department of Plant Biotechnology, Faculty of Agriculture, University of Guilan, Rasht, Iran
| | | | - Naser Farrokhi
- Department of Cell and Molecular Biology, Faculty of Biological Sciences and Biotechnology, Shahid Beheshti University. G.C., Evin, Tehran, Iran.
| | - Hassan Hasani Komeleh
- Department of Plant Biotechnology, Faculty of Agriculture, University of Guilan, Rasht, Iran
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17
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Li LJ, Lu XC, Ma HY, Lyu DG. Comparative proteomic analysis reveals the roots response to low root-zone temperature in Malus baccata. JOURNAL OF PLANT RESEARCH 2018; 131:865-878. [PMID: 29855747 DOI: 10.1007/s10265-018-1045-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 05/10/2018] [Indexed: 05/16/2023]
Abstract
Soil temperature is known to affect plant growth and productivity. In this study we found that low root-zone temperature (LRT) inhibited the growth of apple (Malus baccata Borkh.) seedlings. To elucidate the molecular mechanism of LRT response, we performed comparative proteome analysis of the apple roots under LRT for 6 days. Total proteins of roots were extracted and separated by two-dimensional gel electrophoresis (2-DE) and 29 differentially accumulated proteins were successfully identified by MALDI-TOF/TOF mass spectrometry. They were involved in protein transport/processing/degradation (21%), glycometabolism (20%), response to stress (14%), oxidoreductase activity (14%), protein binding (7%), RNA metabolism (7%), amino acid biosynthesis (3%) and others (14%). The results revealed that LRT inhibited glycometabolism and RNA metabolism. The up-regulated proteins which were associated with oxidoreductase activity, protein metabolism and defense response, might be involved in protection mechanisms against LRT stress in the apple seedlings. Subsequently, 8 proteins were selected for the mRNA quantification analysis, and we found 6 of them were consistently regulated between protein and mRNA levels. In addition, the enzyme activities in ascorbate-glutathione (AsA-GSH) cycle were determined, and APX activity was increased and GR activity was decreased under LRT, in consistent with the protein levels. This study provides new insights into the molecular mechanisms of M. baccata in responding to LRT.
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Affiliation(s)
- Li-Jie Li
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China
| | - Xiao-Chen Lu
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China
| | - Huai-Yu Ma
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China.
- Key Lab of Fruit Quality Development and Regulation of Liaoning Province, Shenyang, 110866, China.
| | - De-Guo Lyu
- College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China.
- Key Lab of Fruit Quality Development and Regulation of Liaoning Province, Shenyang, 110866, China.
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18
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Brizzolara S, Hertog M, Tosetti R, Nicolai B, Tonutti P. Metabolic Responses to Low Temperature of Three Peach Fruit Cultivars Differently Sensitive to Cold Storage. FRONTIERS IN PLANT SCIENCE 2018; 9:706. [PMID: 29892309 PMCID: PMC5985494 DOI: 10.3389/fpls.2018.00706] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 05/09/2018] [Indexed: 05/23/2023]
Abstract
Refrigerated storage is widely applied in order to maintain peach quality but it can also induce chilling injuries (CIs) such as flesh browning and bleeding, and mealiness. Peach fruit from three cultivars ('Red Haven', RH, 'Regina di Londa', RL, and 'Flaminia', FL) were stored for 4 weeks under low temperatures (0.5 and 5.5°C). GC-MS was employed to study changes in both metabolome and volatilome induced by cold storage in the mesocarp. CIs were assessed both at the end of each week of storage and after subsequent shelf-life (SL) at 20°C. Flesh browning and mealiness appeared to be more related to 5.5°C storage, while flesh bleeding revealed high incidence following 0.5°C storage. Compared to RL and FL, RH showed a marked lower incidence of CIs. Multivariate statistical analyses indicate that RH peaches indeed differ from RL and FL in particular when considering data from samples collected at the end of the cold storage. Common and divergent responses have been identified in terms of metabolic responses to the applied low temperatures. In all three cultivars raffinose, glucose-6P, fucose, xylose, sorbitol, GABA, epicatechin, catechin, and putrescine markedly increased during cold storage, while citramalic, glucuronic, mucic and shikimic acids decreased. Among volatile organic compounds (VOCs), aldehydes and alcohols generally accumulated more under low temperature conditions while esters and lactones evolved during subsequent SL. The main cultivar differences developed after cold storage during SL although some common responses (e.g., an increased production of ethyl acetate) were observed. The lower levels of flesh browning and bleeding displayed by RH peaches were related to compounds with antioxidant activity, or acting as osmotic protectants and membrane stabilizer. Indeed, RH showed higher levels of amino acids and urea, together with a marked increase in putrescine, sorbitol, maltitol, myoinositol and sucrose detected during storage and SL.
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Affiliation(s)
| | - Maarten Hertog
- Division of Mechatronics, Biostatistics and Sensors (MeBioS), Department of Biosystems (BIOSYST), KU Leuven, Leuven, Belgium
| | - Roberta Tosetti
- Istituto di Scienze della Vita, Scuola Superiore Sant’Anna, Pisa, Italy
| | - Bart Nicolai
- Division of Mechatronics, Biostatistics and Sensors (MeBioS), Department of Biosystems (BIOSYST), KU Leuven, Leuven, Belgium
- Flanders Centre of Postharvest Technology (VCBT), Leuven, Belgium
| | - Pietro Tonutti
- Istituto di Scienze della Vita, Scuola Superiore Sant’Anna, Pisa, Italy
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19
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Haimi P, Vinskienė J, Stepulaitienė I, Baniulis D, Stanienė G, Šikšnianienė JB, Rugienius R. Patterns of low temperature induced accumulation of dehydrins in Rosaceae crops-Evidence for post-translational modification in apple. JOURNAL OF PLANT PHYSIOLOGY 2017; 218:175-181. [PMID: 28886453 DOI: 10.1016/j.jplph.2017.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 08/06/2017] [Accepted: 08/07/2017] [Indexed: 06/07/2023]
Abstract
Important crop plants of Rosaceae family are often damaged during winter due to the lack of acclimation and cold hardiness. One of the cellular responses of plants to cold stress is the accumulation of dehydrin proteins. We studied the expression of dehydrins in several Rosaceae species during low temperature treatment in vitro. Microshoots of Pyrus communis, Malus×domestica, Fragaria vesca, Fragaria×ananassa, Prunus cerasus and Prunus avium cultivars were grown in low temperature conditions. Genotype -specific accumulation of dehydrins was detected by immunoblot analysis of the extracted proteins. Untargeted difference gel electrophoresis of Malus x domestica microshoots revealed an extensive accumulation of three dehydrins. In a protein phosphatase assay, MdDHN2 and MdDHN4, but not MdDHN6 proteins were found to be extensively phosphorylated. In terms of the amount of protein synthesized, dehydrins are a major protein-level adaptation mechanism to low temperature in M. x domestica. In addition to dehydrins, the induction of proteins involved in the response for oxidative stress were observed. Additionally, a Xero2 -like dehydrin of F. vesca was detected by difference gel electrophoresis and identified by nano LC-MS/MS.
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Affiliation(s)
- Perttu Haimi
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania.
| | - Jurgita Vinskienė
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
| | - Inga Stepulaitienė
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
| | - Danas Baniulis
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
| | - Gražina Stanienė
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
| | - Jūratė Bronė Šikšnianienė
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
| | - Rytis Rugienius
- Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas st. 30, Babtai LT-54333, Kaunas distr., Lithuania
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20
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Differential expression by chromatin modifications of alcohol dehydrogenase 1 of Chorispora bungeana in cold stress. Gene 2017; 636:1-16. [PMID: 28912063 DOI: 10.1016/j.gene.2017.09.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 09/03/2017] [Accepted: 09/08/2017] [Indexed: 12/18/2022]
Abstract
Epigenetic modifications regulate plant genes to cope with a variety of environmental stresses. Chorispora bungeana is an alpine subnival plant with strong tolerance to multiple abiotic stresses, especially cold stress. In this study, we characterized the alcohol dehydrogenase 1 gene from Chorispora bungeana, CbADH1, that is up-regulated in cold conditions. Overexpression of CbADH1 in Arabidopsis thaliana improved cold tolerance, as indicated by a decreased lethal temperature (LT50). Chromatin immunoprecipitation assays showed that histone H3 is removed from the promoter region and the middle-coding region of the gene. H3K9 acetylation and H3K4 trimethylation increased throughout the gene and in the proximal promoter region, respectively. Moreover, increased Ser5P and Ser2P polymerase II accumulation further indicated changes in the transcription initiation and elongation of CbADH1 were due to the cold stress. Taken together, our results suggested that CbADH1 is highly expressed during cold stress, and is regulated by epigenetic modifications. This study expands our understanding of the regulation of gene expression by epigenetic modifications in response to environmental cues.
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21
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Chang E, Zhang J, Deng N, Yao X, Liu J, Zhao X, Jiang Z, Shi S. Transcriptome differences between 20- and 3,000-year-old Platycladus orientalis reveal that ROS are involved in senescence regulation. ELECTRON J BIOTECHN 2017. [DOI: 10.1016/j.ejbt.2017.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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22
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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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Bustamante CA, Monti LL, Gabilondo J, Scossa F, Valentini G, Budde CO, Lara MV, Fernie AR, Drincovich MF. Differential Metabolic Rearrangements after Cold Storage Are Correlated with Chilling Injury Resistance of Peach Fruits. FRONTIERS IN PLANT SCIENCE 2016; 7:1478. [PMID: 27746802 PMCID: PMC5044465 DOI: 10.3389/fpls.2016.01478] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 09/16/2016] [Indexed: 05/18/2023]
Abstract
Reconfiguration of the metabolome is a key component involved in the acclimation to cold in plants; however, few studies have been devoted to the analysis of the overall metabolite changes after cold storage of fruits prior to consumption. Here, metabolite profiling of six peach varieties with differential susceptibility to develop mealiness, a chilling-injury (CI) symptom, was performed. According to metabolic content at harvest; after cold treatment; and after ripening, either following cold treatment or not; peach fruits clustered in distinct groups, depending on harvest-time, cold treatment, and ripening state. Both common and distinct metabolic responses among the six varieties were found; common changes including dramatic galactinol and raffinose rise; GABA, Asp, and Phe increase; and 2-oxo-glutarate and succinate decrease. Raffinose content after long cold treatment quantitatively correlated to the degree of mealiness resistance of the different peach varieties; and thus, raffinose emerges as a candidate biomarker of this CI disorder. Xylose increase after cold treatment was found only in the susceptible genotypes, indicating a particular cell wall reconfiguration of these varieties while being cold-stored. Overall, results indicate that peach fruit differential metabolic rearrangements due to cold treatment, rather than differential metabolic priming before cold, are better related with CI resistance. The plasticity of peach fruit metabolism renders it possible to induce a diverse metabolite array after cold, which is successful, in some genotypes, to avoid CI.
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Affiliation(s)
- Claudia A. Bustamante
- Centro de Estudios Fotosintéticos y Bioquímicos, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de RosarioRosario, Argentina
| | - Laura L. Monti
- Centro de Estudios Fotosintéticos y Bioquímicos, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de RosarioRosario, Argentina
| | - Julieta Gabilondo
- Estación Experimental San Pedro, Instituto Nacional de Tecnología AgropecuariaSan Pedro, Argentina
| | - Federico Scossa
- Max-Planck-Institut für Molekulare PflanzenphysiologiePotsdam-Golm, Germany
- Consiglio per la Ricerca in Agricoltura e l'Analisi dell'Economia Agraria, Centro di Ricerca per la FrutticolturaRome, Italy
| | - Gabriel Valentini
- Estación Experimental San Pedro, Instituto Nacional de Tecnología AgropecuariaSan Pedro, Argentina
| | - Claudio O. Budde
- Estación Experimental San Pedro, Instituto Nacional de Tecnología AgropecuariaSan Pedro, Argentina
| | - María V. Lara
- Centro de Estudios Fotosintéticos y Bioquímicos, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de RosarioRosario, Argentina
| | - Alisdair R. Fernie
- Max-Planck-Institut für Molekulare PflanzenphysiologiePotsdam-Golm, Germany
| | - María F. Drincovich
- Centro de Estudios Fotosintéticos y Bioquímicos, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de RosarioRosario, Argentina
- *Correspondence: María F. Drincovich
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Song Y, Liu L, Wei Y, Li G, Yue X, An L. Metabolite Profiling of adh1 Mutant Response to Cold Stress in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2016; 7:2072. [PMID: 28123394 PMCID: PMC5225106 DOI: 10.3389/fpls.2016.02072] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 12/28/2016] [Indexed: 05/05/2023]
Abstract
As a result of global warming, vegetation suffers from repeated freeze-thaw cycles caused by more frequent short-term low temperatures induced by hail, snow, or night frost. Therefore, short-term freezing stress of plants should be investigated particularly in light of the current climatic conditions. Alcohol dehydrogenase (ADH) plays a central role in the metabolism of alcohols and aldehydes and it is a key enzyme in anaerobic fermentation. ADH1 responds to plant growth and environmental stress; however, the function of ADH1 in the response to short-term freezing stress remains unknown. Using real-time quantitative fluorescence PCR, the expression level of ADH1 was analyzed at low temperature (4°C). The lethal temperature was calculated based on the electrolyte leakage tests for both ADH1 deletion mutants (adh1) and wild type (WT) plants. To further investigate the relationship between ADH1 and cold tolerance in plants, low-Mr polar metabolite analyses of Arabidopsis adh1 and WT were performed at cold temperatures using gas chromatography-mass spectrometry. This investigation focused on freezing treatments (cold acclimation group: -6°C for 2 h with prior 4°C for 7 d, cold shock group: -6°C for 2 h without cold acclimation) and recovery (23°C for 24 h) with respect to seedling growth at optimum temperature. The experimental results revealed a significant increase in ADH1 expression during low temperature treatment (4°C) and at a higher lethal temperature in adh1 compared to that in the WT. Retention time indices and specific mass fragments were used to monitor 263 variables and annotate 78 identified metabolites. From these analyses, differences in the degree of metabolite accumulation between adh1 and WT were detected, including soluble sugars (e.g., sucrose) and amino acids (e.g., asparagine). In addition, the correlation-based network analysis highlighted some metabolites, e.g., melibiose, fumaric acid, succinic acid, glycolic acid, and xylose, which enhanced connectedness in adh1 network under cold chock. When considered collectively, the results showed that adh1 possessed a metabolic response to freezing stress and ADH1 played an important role in the cold stress response of a plant. These results expands our understanding of the short-term freeze response of ADH1 in plants.
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Yue C, Cao HL, Wang L, Zhou YH, Huang YT, Hao XY, Wang YC, Wang B, Yang YJ, Wang XC. Effects of cold acclimation on sugar metabolism and sugar-related gene expression in tea plant during the winter season. PLANT MOLECULAR BIOLOGY 2015; 88:591-608. [PMID: 26216393 DOI: 10.1007/s11103-015-0345-7] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 07/13/2015] [Indexed: 05/20/2023]
Abstract
Sugar plays an essential role in plant cold acclimation (CA), but the interaction between CA and sugar remains unclear in tea plants. In this study, during the whole winter season, we investigated the variations of sugar contents and the expression of a large number of sugar-related genes in tea leaves. Results indicated that cold tolerance of tea plant was improved with the development of CA during early winter season. At this stage, starch was dramatically degraded, whereas the content of total sugars and several specific sugars including sucrose, glucose and fructose were constantly elevated. Beyond the CA stage, the content of starch was maintained at a low level during winter hardiness (WH) period and then was elevated during de-acclimation (DC) period. Conversely, the content of sugar reached a peak at WH stage followed by a decrease during DC stage. Moreover, gene expression results showed that, during CA period, sugar metabolism-related genes exhibited different expression pattern, in which beta-amylase gene (CsBAM), invertase gene (CsINV5) and raffinose synthase gene (CsRS2) engaged in starch, sucrose and raffinose metabolism respectively were solidly up-regulated; the expressions of sugar transporters were stimulated in general except the down-regulations of CsSWEET2, 3, 16, CsERD6.7 and CsINT2; interestingly, the sugar-signaling related CsHXK3 and CsHXK2 had opposite expression patterns at the early stage of CA. These provided comprehensive insight into the effects of CA on carbohydrates indicating that sugar accumulation contributes to tea plant cold tolerance during winter season, and a simply model of sugar regulation in response to cold stimuli is proposed.
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Affiliation(s)
- Chuan Yue
- Tea Research Institute of the Chinese Academy of Agricultural Sciences, Hangzhou, 310008, People's Republic of China,
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Rohloff J. Analysis of phenolic and cyclic compounds in plants using derivatization techniques in combination with GC-MS-based metabolite profiling. Molecules 2015; 20:3431-62. [PMID: 25690297 PMCID: PMC6272321 DOI: 10.3390/molecules20023431] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 01/06/2015] [Accepted: 02/10/2015] [Indexed: 12/13/2022] Open
Abstract
Metabolite profiling has been established as a modern technology platform for the description of complex chemical matrices and compound identification in biological samples. Gas chromatography coupled with mass spectrometry (GC-MS) in particular is a fast and accurate method widely applied in diagnostics, functional genomics and for screening purposes. Following solvent extraction and derivatization, hundreds of metabolites from different chemical groups can be characterized in one analytical run. Besides sugars, acids, and polyols, diverse phenolic and other cyclic metabolites can be efficiently detected by metabolite profiling. The review describes own results from plant research to exemplify the applicability of GC-MS profiling and concurrent detection and identification of phenolics and other cyclic structures.
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Affiliation(s)
- Jens Rohloff
- Department of Biology, Norwegian University of Science and Technology, Trondheim 7491, Norway.
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Liu H, Yu C, Li H, Ouyang B, Wang T, Zhang J, Wang X, Ye Z. Overexpression of ShDHN, a dehydrin gene from Solanum habrochaites enhances tolerance to multiple abiotic stresses in tomato. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2015; 231:198-211. [PMID: 25576005 DOI: 10.1016/j.plantsci.2014.12.006] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Revised: 12/04/2014] [Accepted: 12/06/2014] [Indexed: 05/02/2023]
Abstract
Dehydrins (DHNs) play important roles in plant adaptation to abiotic stress. In this study, a cold-induced SK3-type DHN gene (ShDHN) isolated from wild tomato species Solanum habrochaites was characterized for its function in abiotic stress tolerance. ShDHN was constitutively expressed in root, leaf, stem, flower and fruit. ShDHN was continuously up-regulated during cold stress and showed higher expression level in the cold-tolerant S. habrochaites than in the susceptible S. lycopersicum. Moreover, ShDHN expression was also regulated by drought, salt, osmotic stress, and exogenous signaling molecules. Overexpression of ShDHN in cultivated tomato increased tolerance to cold and drought stresses and improved seedling growth under salt and osmotic stresses. Compared with the wild-type, the transgenic plants accumulated more proline, maintained higher enzymatic activities of superoxide dismutase and catalase, and suffered less membrane damage under cold and drought stresses. Moreover, the transgenic plants accumulated lower levels of H2O2 and O2(-) under cold stress, and had higher relative water contents and lower water loss rates under dehydration conditions. Furthermore, overexpression of ShDHN in tomato led to the up- or down-regulated expression of several genes involved in ROS scavenging and JA signaling pathway, including SOD1, GST, POD, LOX, PR1 and PR2. Taken together, these results indicate that ShDHN has pleiotropic effects on improving plant adaptation to abiotic stresses and that it possesses potential usefulness in genetic improvement of stress tolerance in tomato.
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Affiliation(s)
- Hui Liu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China; Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture, Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571737, China
| | - Chuying Yu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Hanxia Li
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Bo Ouyang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Taotao Wang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Junhong Zhang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Xin Wang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China
| | - Zhibiao Ye
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, No. 1, Shizishan Street, Hongshan District, Wuhan, Hubei 430070, China.
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28
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Koehler G, Rohloff J, Wilson RC, Kopka J, Erban A, Winge P, Bones AM, Davik J, Alsheikh MK, Randall SK. Integrative "omic" analysis reveals distinctive cold responses in leaves and roots of strawberry, Fragaria × ananassa 'Korona'. FRONTIERS IN PLANT SCIENCE 2015; 6:826. [PMID: 26528299 PMCID: PMC4606020 DOI: 10.3389/fpls.2015.00826] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Accepted: 09/22/2015] [Indexed: 05/18/2023]
Abstract
To assess underlying metabolic processes and regulatory mechanisms during cold exposure of strawberry, integrative "omic" approaches were applied to Fragaria × ananassa Duch. 'Korona.' Both root and leaf tissues were examined for responses to the cold acclimation processes. Levels of metabolites, proteins, and transcripts in tissues from plants grown at 18°C were compared to those following 1-10 days of cold (2°C) exposure. When leaves and roots were subjected to GC/TOF-MS-based metabolite profiling, about 160 compounds comprising mostly structurally annotated primary and secondary metabolites, were found. Overall, 'Korona' showed a modest increase of protective metabolites such as amino acids (aspartic acid, leucine, isoleucine, and valine), pentoses, phosphorylated and non-phosphorylated hexoses, and distinct compounds of the raffinose pathway (galactinol and raffinose). Distinctive responses were observed in roots and leaves. By 2DE proteomics a total of 845 spots were observed in leaves; 4.6% changed significantly in response to cold. Twenty-one proteins were identified, many of which were associated with general metabolism or photosynthesis. Transcript levels in leaves were determined by microarray, where dozens of cold associated transcripts were quantitatively characterized, and levels of several potential key contributors (e.g., the dehydrin COR47 and GADb) to cold tolerance were confirmed by qRT-PCR. Cold responses are placed within the existing knowledge base of low temperature-induced changes in plants, allowing an evaluation of the uniqueness or generality of Fragaria responses in photosynthetic tissues. Overall, the cold response characteristics of 'Korona' are consistent with a moderately cold tolerant plant.
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Affiliation(s)
- Gage Koehler
- Department of Biology, Indiana University–Purdue University Indianapolis, IndianapolisIN, USA
| | - Jens Rohloff
- Department of Biology, Norwegian University of Science and TechnologyTrondheim, Norway
| | - Robert C. Wilson
- Department of Natural Sciences and Technology, Hedmark University CollegeHamar, Norway
| | - Joachim Kopka
- Max Planck Institute of Molecular Plant PhysiologyPotsdam, Germany
| | - Alexander Erban
- Max Planck Institute of Molecular Plant PhysiologyPotsdam, Germany
| | - Per Winge
- Department of Biology, Norwegian University of Science and TechnologyTrondheim, Norway
| | - Atle M. Bones
- Department of Biology, Norwegian University of Science and TechnologyTrondheim, Norway
| | - Jahn Davik
- Bioforsk, Norwegian Institute for Agricultural and Environmental Research – Grassland and Landscape DivisionKvithamar, Norway
| | - Muath K. Alsheikh
- Graminor Breeding Ltd.Ridabu, Norway
- Department of Plant Sciences, Norwegian University of Life SciencesÅs, Norway
| | - Stephen K. Randall
- Department of Biology, Indiana University–Purdue University Indianapolis, IndianapolisIN, USA
- *Correspondence: Stephen K. Randall, Department of Biology, Indiana University–Purdue University Indianapolis, 723 West Michigan Street, Indianapolis, IN 46202-5132, USA,
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Dhuli P, Rohloff J, Strimbeck GR. Metabolite changes in conifer buds and needles during forced bud break in Norway spruce (Picea abies) and European silver fir (Abies alba). FRONTIERS IN PLANT SCIENCE 2014; 5:706. [PMID: 25566281 PMCID: PMC4263092 DOI: 10.3389/fpls.2014.00706] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/25/2014] [Indexed: 05/21/2023]
Abstract
Environmental changes such as early spring and warm spells induce bud burst and photosynthetic processes in cold-acclimated coniferous trees and consequently, cellular metabolism in overwintering needles and buds. The purpose of the study was to examine metabolism in conifers under forced deacclimation (artificially induced spring) by exposing shoots of Picea abies (boreal species) and Abies alba (temperate species) to a greenhouse environment (22°C, 16/8 h D/N cycle) over a 9 weeks period. Each week, we scored bud opening and collected samples for GC/MS-based metabolite profiling. We detected a total of 169 assigned metabolites and 80 identified metabolites, comprising compounds such as mono- and disaccharides, Krebs cycle acids, amino acids, polyols, phenolics, and phosphorylated structures. Untargeted multivariate statistical analysis based on PCA and cluster analysis segregated samples by species, tissue type, and stage of tissue deacclimations. Similar patterns of metabolic regulation in both species were observed in buds (amino acids, Krebs cycle acids) and needles (hexoses, pentoses, and Krebs cycle acids). Based on correlation of bud opening score with compound levels, distinct metabolites could be associated with bud and shoot development, including amino acids, sugars, and acids with known osmolyte function, and secondary metabolites. This study has shed light on how elevated temperature affects metabolism in buds and needles of conifer species during the deacclimation phase, and contributes to the discussion about how phenological characters in conifers may respond to future global warming.
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Affiliation(s)
| | - Jens Rohloff
- Department of Biology, Norwegian University of Science and Technology (NTNU)Trondheim, Norway
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Lauxmann MA, Borsani J, Osorio S, Lombardo VA, Budde CO, Bustamante CA, Monti LL, Andreo CS, Fernie AR, Drincovich MF, Lara MV. Deciphering the metabolic pathways influencing heat and cold responses during post-harvest physiology of peach fruit. PLANT, CELL & ENVIRONMENT 2014; 37:601-16. [PMID: 23937123 DOI: 10.1111/pce.12181] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 07/30/2013] [Accepted: 08/03/2013] [Indexed: 05/23/2023]
Abstract
Peaches are highly perishable and deteriorate quickly at ambient temperature. Cold storage is commonly used to prevent fruit decay; however, it affects fruit quality causing physiological disorders collectively termed 'chilling injury' (CI). To prevent or ameliorate CI, heat treatment is often applied prior to cold storage. In the present work, metabolic profiling was performed to determine the metabolic dynamics associated with the induction of acquired CI tolerance in response to heat shock. 'Dixiland' peach fruits exposed to 39 °C, cold stored, or after a combined treatment of heat and cold, were compared with fruits ripening at 20 °C. Dramatic changes in the levels of compatible solutes such as galactinol and raffinose were observed, while amino acid precursors of the phenylpropanoid pathway were also modified due to the stress treatments, as was the polyamine putrescine. The observed responses towards temperature stress in peaches are composed of both common and specific response mechanisms to heat and cold, but also of more general adaptive responses that confer strategic advantages in adverse conditions such as biotic stresses. The identification of such key metabolites, which prime the fruit to cope with different stress situations, will likely greatly accelerate the design and the improvement of plant breeding programs.
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Affiliation(s)
- Martin A Lauxmann
- Centro de Estudios Fotosintéticos y Bioquímicos (CEFOBI), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Rosario, 2000, Argentina
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Vaseva II, Anders I, Feller U. Identification and expression of different dehydrin subclasses involved in the drought response of Trifolium repens. JOURNAL OF PLANT PHYSIOLOGY 2014; 171:213-24. [PMID: 24054754 DOI: 10.1016/j.jplph.2013.07.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 07/25/2013] [Accepted: 07/25/2013] [Indexed: 05/08/2023]
Abstract
Reverse transcribed RNAs coding for YnKn, YnSKn, SKn, and KS dehydrin types in drought-stressed white clover (Trifolium repens) were identified and characterized. The nucleotide analyses revealed the complex nature of dehydrin-coding sequences, often featured with alternative start and stop codons within the open reading frames, which could be a prerequisite for high variability among the transcripts originating from a single gene. For some dehydrin sequences, the existence of natural antisense transcripts was predicted. The differential distribution of dehydrin homologues in roots and leaves from a single white clover stolon under normal and drought conditions was evaluated by semi-quantitative RT-PCR and immunoblots with antibodies against the conserved K-, Y- and S-segments. The data suggest that different dehydrin classes have distinct roles in the drought stress response and vegetative development, demonstrating some specific characteristic features. Substantial levels of YSK-type proteins with different molecular weights were immunodetected in the non-stressed developing leaves. The acidic SK2 and KS dehydrin transcripts exhibited some developmental gradient in leaves. A strong increase of YK transcripts was documented in the fully expanded leaves and roots of drought-stressed individuals. The immunodetected drought-induced signals imply that Y- and K-segment containing dehydrins could be the major inducible Late Embryogenesis Abundant class 2 proteins (LEA 2) that accumulate predominantly under drought.
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Affiliation(s)
- Irina Ivanova Vaseva
- Institute of Plant Sciences and Oeschger Centre for Climate Change Research (OCCR), University of Bern, Altenbergrain 21, 3013 Bern, Switzerland; Plant Stress Molecular Biology Department, Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria.
| | - Iwona Anders
- Institute of Plant Sciences and Oeschger Centre for Climate Change Research (OCCR), University of Bern, Altenbergrain 21, 3013 Bern, Switzerland
| | - Urs Feller
- Institute of Plant Sciences and Oeschger Centre for Climate Change Research (OCCR), University of Bern, Altenbergrain 21, 3013 Bern, Switzerland
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Ueno S, Klopp C, Leplé JC, Derory J, Noirot C, Léger V, Prince E, Kremer A, Plomion C, Le Provost G. Transcriptional profiling of bud dormancy induction and release in oak by next-generation sequencing. BMC Genomics 2013; 14:236. [PMID: 23575249 PMCID: PMC3639946 DOI: 10.1186/1471-2164-14-236] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 04/04/2013] [Indexed: 02/08/2023] Open
Abstract
Background In temperate regions, the time lag between vegetative bud burst and bud set determines the duration of the growing season of trees (i.e. the duration of wood biomass production). Dormancy, the period during which the plant is not growing, allows trees to avoid cold injury resulting from exposure to low temperatures. An understanding of the molecular machinery controlling the shift between these two phenological states is of key importance in the context of climatic change. The objective of this study was to identify genes upregulated during endo- and ecodormancy, the two main stages of bud dormancy. Sessile oak is a widely distributed European white oak species. A forcing test on young trees was first carried out to identify the period most likely to correspond to these two stages. Total RNA was then extracted from apical buds displaying endo- and ecodormancy. This RNA was used for the generation of cDNA libraries, and in-depth transcriptome characterization was performed with 454 FLX pyrosequencing technology. Results Pyrosequencing produced a total of 495,915 reads. The data were cleaned, duplicated reads removed, and sequences were mapped onto the oak UniGene data. Digital gene expression analysis was performed, with both R statistics and the R-Bioconductor packages (edgeR and DESeq), on 6,471 contigs with read numbers ≥ 5 within any contigs. The number of sequences displaying significant differences in expression level (read abundance) between endo- and ecodormancy conditions ranged from 75 to 161, depending on the algorithm used. 13 genes displaying significant differences between conditions were selected for further analysis, and 11 of these genes, including those for glutathione-S-transferase (GST) and dehydrin xero2 (XERO2) were validated by quantitative PCR. Conclusions The identification and functional annotation of differentially expressed genes involved in the “response to abscisic acid”, “response to cold stress” and “response to oxidative stress” categories constitutes a major step towards characterization of the molecular network underlying vegetative bud dormancy, an important life history trait of long-lived organisms.
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Affiliation(s)
- Saneyoshi Ueno
- Forestry and Forest Products Research Institute, Department of Forest Genetics, Tree Genetics Laboratory, 1 Matsunosato, Tsukuba, Ibaraki 305-8687 Japan
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Benina M, Obata T, Mehterov N, Ivanov I, Petrov V, Toneva V, Fernie AR, Gechev TS. Comparative metabolic profiling of Haberlea rhodopensis, Thellungiella halophyla, and Arabidopsis thaliana exposed to low temperature. FRONTIERS IN PLANT SCIENCE 2013; 4:499. [PMID: 24376451 PMCID: PMC3859123 DOI: 10.3389/fpls.2013.00499] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Accepted: 11/19/2013] [Indexed: 05/05/2023]
Abstract
Haberlea rhodopensis is a resurrection species with extreme resistance to drought stress and desiccation but also with ability to withstand low temperatures and freezing stress. In order to identify biochemical strategies which contribute to Haberlea's remarkable stress tolerance, the metabolic reconfiguration of H. rhodopensis during low temperature (4°C) and subsequent return to optimal temperatures (21°C) was investigated and compared with that of the stress tolerant Thellungiella halophyla and the stress sensitive Arabidopsis thaliana. Metabolic analysis by GC-MS revealed intrinsic differences in the metabolite levels of the three species even at 21°C. H. rhodopensis had significantly more raffinose, melibiose, trehalose, rhamnose, myo-inositol, sorbitol, galactinol, erythronate, threonate, 2-oxoglutarate, citrate, and glycerol than the other two species. A. thaliana had the highest levels of putrescine and fumarate, while T. halophila had much higher levels of several amino acids, including alanine, asparagine, beta-alanine, histidine, isoleucine, phenylalanine, serine, threonine, and valine. In addition, the three species responded differently to the low temperature treatment and the subsequent recovery, especially with regard to the sugar metabolism. Chilling induced accumulation of maltose in H. rhodopensis and raffinose in A. thaliana but the raffinose levels in low temperature exposed Arabidopsis were still much lower than these in unstressed Haberlea. While all species accumulated sucrose during chilling, that accumulation was transient in H. rhodopensis and A. thaliana but sustained in T. halophila after the return to optimal temperature. Thus, Haberlea's metabolome appeared primed for chilling stress but the low temperature acclimation induced additional stress-protective mechanisms. A diverse array of sugars, organic acids, and polyols constitute Haberlea's main metabolic defence mechanisms against chilling, while accumulation of amino acids and amino acid derivatives contribute to the low temperature acclimation in Arabidopsis and Thellungiella. Collectively, these results show inherent differences in the metabolomes under the ambient temperature and the strategies to respond to low temperature in the three species.
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Affiliation(s)
- Maria Benina
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
- Institute of Molecular Biology and BiotechnologyPlovdiv, Bulgaria
| | - Toshihiro Obata
- Department Willmitzer, Max Planck Institute of Molecular Plant PhysiologyPotsdam-Golm, Germany
| | - Nikolay Mehterov
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
- Institute of Molecular Biology and BiotechnologyPlovdiv, Bulgaria
| | - Ivan Ivanov
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
| | - Veselin Petrov
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
- Institute of Molecular Biology and BiotechnologyPlovdiv, Bulgaria
| | - Valentina Toneva
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
- Institute of Molecular Biology and BiotechnologyPlovdiv, Bulgaria
- *Correspondence: Valentina Toneva, Department of Plant Physiology and Plant Molecular Biology, University of Plovdiv, 24 Tsar Assen str., Plovdiv 4000, Bulgaria e-mail:
| | - Alisdair R. Fernie
- Department Willmitzer, Max Planck Institute of Molecular Plant PhysiologyPotsdam-Golm, Germany
| | - Tsanko S. Gechev
- Department of Plant Physiology and Plant Molecular Biology, University of PlovdivPlovdiv, Bulgaria
- Institute of Molecular Biology and BiotechnologyPlovdiv, Bulgaria
- Department of Molecular Biology, Institute of Biochemistry and Biology, University of PotsdamPotsdam, Germany
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