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Yu Y, Wu Y, Liu W, Liu J, Li P. Integration of Metabolome and Transcriptome Reveals the Major Metabolic Pathways and Potential Biomarkers in Response to Freeze-Stress Regulation in Apple ( Malus domestica). Metabolites 2023; 13:891. [PMID: 37623835 PMCID: PMC10456784 DOI: 10.3390/metabo13080891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/23/2023] [Accepted: 07/26/2023] [Indexed: 08/26/2023] Open
Abstract
Freezing stress is the main factor affecting the normal growth and distribution of plants. The safe overwintering of a perennial deciduous plant is a crucial link to ensuring its survival and yield. However, little is known about the molecular mechanism of its gene regulation metabolites as related to its freeze-tolerance. In order to enhance our comprehension of freeze-tolerance metabolites and gene expression in dormant apple trees, we examined the metabolic and transcriptomic differences between 'Ralls' and 'Fuji', two apple varieties with varying degrees of resistance to freezing. The results of the freezing treatment showed that 'Ralls' had stronger freeze-tolerance than 'Fuji'. We identified 302, 334, and 267 up-regulated differentially accumulated metabolites (DAMs) and 408, 387, and 497 down-regulated DAMs between 'Ralls' and 'Fuji' under -10, -15, and -20 °C treatment, respectively. A total of 359 shared metabolites were obtained in the upward trend modules, of which 62 metabolites were associated with 89 pathways. The number of up-regulated genes accounted for 50.2%, 45.6%, and 43.2% of the total number of differentially expressed genes (DEGs), respectively, at -10, -15, and -20 °C. Through combined transcriptome and metabolome analysis, we identified 12 pathways that included 16 DAMs and 65 DEGs. Meanwhile, we found that 20 DEGs were identified in the phenylpropanoid biosynthesis pathway and its related pathways, involving the metabolism of p-Coumaroyl-CoA, 7, 4'-Dihydroxyflavone, and scolymoside. These discoveries advance our comprehension of the molecular mechanism underlying apple freeze-tolerance and provide genetic material for breeding apple cultivars with enhanced freeze-tolerance.
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Affiliation(s)
- Yifei Yu
- Hebei Academy of Forestry and Grassland Sciences, Shijiazhuang 050061, China
| | - YaJing Wu
- Hebei Academy of Forestry and Grassland Sciences, Shijiazhuang 050061, China
| | - Wenfei Liu
- Hebei Academy of Forestry and Grassland Sciences, Shijiazhuang 050061, China
| | - Jun Liu
- Hebei Academy of Forestry and Grassland Sciences, Shijiazhuang 050061, China
| | - Ping Li
- College of Landscape and Tourism, Hebei Agricultural University, Baoding 071000, China
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Szlachtowska Z, Rurek M. Plant dehydrins and dehydrin-like proteins: characterization and participation in abiotic stress response. FRONTIERS IN PLANT SCIENCE 2023; 14:1213188. [PMID: 37484455 PMCID: PMC10358736 DOI: 10.3389/fpls.2023.1213188] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 06/12/2023] [Indexed: 07/25/2023]
Abstract
Abiotic stress has a significant impact on plant growth and development. It causes changes in the subcellular organelles, which, due to their stress sensitivity, can be affected. Cellular components involved in the abiotic stress response include dehydrins, widely distributed proteins forming a class II of late embryogenesis abundant protein family with characteristic properties including the presence of evolutionarily conserved sequence motifs (including lysine-rich K-segment, N-terminal Y-segment, and often phosphorylated S motif) and high hydrophilicity and disordered structure in the unbound state. Selected dehydrins and few poorly characterized dehydrin-like proteins participate in cellular stress acclimation and are also shown to interact with organelles. Through their functioning in stabilizing biological membranes and binding reactive oxygen species, dehydrins and dehydrin-like proteins contribute to the protection of fragile organellar structures under adverse conditions. Our review characterizes the participation of plant dehydrins and dehydrin-like proteins (including some organellar proteins) in plant acclimation to diverse abiotic stress conditions and summarizes recent updates on their structure (the identification of dehydrin less conserved motifs), classification (new proposed subclasses), tissue- and developmentally specific accumulation, and key cellular activities (including organellar protection under stress acclimation). Recent findings on the subcellular localization (with emphasis on the mitochondria and plastids) and prospective applications of dehydrins and dehydrin-like proteins in functional studies to alleviate the harmful stress consequences by means of plant genetic engineering and a genome editing strategy are also discussed.
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Yadav BG, Aakanksha, Kumar R, Yadava SK, Kumar A, Ramchiary N. Understanding the Proteomes of Plant Development and Stress Responses in Brassica Crops. J Proteome Res 2023; 22:660-680. [PMID: 36786770 DOI: 10.1021/acs.jproteome.2c00684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Brassica crops have great economic value due to their rich nutritional content and are therefore grown worldwide as oilseeds, vegetables, and condiments. Deciphering the molecular mechanisms associated with the advantageous phenotype is the major objective of various Brassica improvement programs. As large technological advancements have been achieved in the past decade, the methods to understand molecular mechanisms underlying the traits of interest have also taken a sharp upturn in plant breeding practices. Proteomics has emerged as one of the preferred choices nowadays along with genomics and other molecular approaches, as proteins are the ultimate effector molecules responsible for phenotypic changes in living systems, and allow plants to resist variable environmental stresses. In the last two decades, rapid progress has been made in the field of proteomics research in Brassica crops, but a comprehensive review that collates the different studies is lacking. This review provides an inclusive summary of different proteomic studies undertaken in Brassica crops for cytoplasmic male sterility, oil content, and proteomics of floral organs and seeds, under different biotic and abiotic stresses including post-translational modifications of proteins. This comprehensive review will help in understanding the role of different proteins in controlling plant phenotypes, and provides information for initiating future studies on Brassica breeding and improvement programs.
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Affiliation(s)
- Bal Govind Yadav
- International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, Delhi, India
| | - Aakanksha
- Department of Genetics, University of Delhi South Campus, New Delhi 110021, Delhi, India
| | - Rahul Kumar
- International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, Delhi, India
| | - Satish Kumar Yadava
- Centre for Genetic Manipulation of Crop Plants, University of Delhi South Campus, New Delhi 110021, Delhi, India
| | - Ajay Kumar
- Department of Plant Science, School of Biological Sciences, Central University of Kerala, Kasaragod 671316, Kerala, India
| | - Nirala Ramchiary
- School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, Delhi, India
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Zheng G, Dong X, Wei J, Liu Z, Aslam A, Cui J, Li H, Wang Y, Tian H, Cao X. Integrated methylome and transcriptome analysis unravel the cold tolerance mechanism in winter rapeseed(Brassica napus L.). BMC PLANT BIOLOGY 2022; 22:414. [PMID: 36008781 PMCID: PMC9414130 DOI: 10.1186/s12870-022-03797-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Cytosine methylation, the main type of DNA methylation, regulates gene expression in plant response to environmental stress. The winter rapeseed has high economic and ecological value in China's Northwest, but the DNA methylation pattern of winter rapeseed during freezing stress remains unclear. RESULT This study integrated the methylome and transcriptome to explore the genome-scale DNA methylation pattern and its regulated pathway of winter rapeseed, using freezing-sensitive (NF) and freezing-resistant (NS) cultivars.The average methylation level decreased under freezing stress, and the decline in NF was stronger than NS after freezing stress. The CG methylation level was the highest among the three contexts of CG, CHG, and CHH. At the same time, the CHH proportion was high, and the methylation levels were highest 2 kb up/downstream, followed by the intron region. The C sub-genomes methylation level was higher than the A sub-genomes. The methylation levels of chloroplast and mitochondrial DNA were much lower than the B. napus nuclear DNA, the SINE methylation level was highest among four types of transposable elements (TEs), and the preferred sequence of DNA methylation did not change after freezing stress. A total of 1732 differentially expressed genes associated with differentially methylated genes (DMEGs) were identified in two cultivars under 12 h and 24 h in three contexts by combining whole-genome bisulfite sequencing( and RNA-Seq data. Function enrichment analysis showed that most DMEGs participated in linoleic acid metabolism, alpha-linolenic acid metabolism, carbon fixation in photosynthetic organisms, flavonoid biosynthesis, and plant hormone signal transduction pathways. Meanwhile, some DMEGs encode core transcription factors in plant response to stress. CONCLUSION Based on the findings of DNA methylation, the freezing tolerance of winter rapeseed is achieved by enhanced signal transduction, lower lipid peroxidation, stronger cell stability, increased osmolytes, and greater reactive oxygen species (ROS) scavenging. These results provide novel insights into better knowledge of the methylation regulation of tolerance mechanism in winter rapeseed under freezing stress.
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Affiliation(s)
- Guoqiang Zheng
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Xiaoyun Dong
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Jiaping Wei
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
| | - Zigang Liu
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Ali Aslam
- Affiliation Faculty of Agriculture and Veterinary Sciences, Superior University, Lahore, Pakistan
| | - JunMei Cui
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
| | - Hui Li
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Ying Wang
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Haiyan Tian
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Xiaodong Cao
- State Key Laboratory of Aridland Crop Sciences, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
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Wei J, Shen Y, Dong X, Zhu Y, Cui J, Li H, Zheng G, Tian H, Wang Y, Liu Z. DNA methylation affects freezing tolerance in winter rapeseed by mediating the expression of genes related to JA and CK pathways. Front Genet 2022; 13:968494. [PMID: 36061187 PMCID: PMC9432081 DOI: 10.3389/fgene.2022.968494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 07/29/2022] [Indexed: 11/13/2022] Open
Abstract
Winter rapeseed is the largest source of edible oil in China and is especially sensitive to low temperature, which causes tremendous agricultural yield reduction and economic losses. It is still unclear how DNA methylation regulates the formation of freezing tolerance in winter rapeseed under freezing stress. Therefore, in this study, the whole-genome DNA methylation map and transcriptome expression profiles of freezing-resistant cultivar NTS57 (NS) under freezing stress were obtained. The genome-wide methylation assay exhibited lower levels of methylation in gene-rich regions. DNA methylation was identified in three genomic sequence contexts including CG, CHG and CHH, of which CG contexts exhibited the highest methylation levels (66.8%), followed by CHG (28.6%) and CHH (9.5%). Higher levels of the methylation were found in upstream 2 k and downstream 2 k of gene regions, whereas lowest levels were in the gene body regions. In addition, 331, 437, and 1720 unique differentially methylated genes (DMGs) were identified in three genomic sequence contexts in 17NS under freezing stress compared to the control. Function enrichment analysis suggested that most of enriched DMGs were involved in plant hormones signal transduction, phenylpropanoid biosynthesis and protein processing pathways. Changes of genes expression in signal transduction pathways for cytokinin (CK) and jasmonic acid (JA) implied their involvement in freezing stress responses. Collectively, these results suggested a critical role of DNA methylation in their transcriptional regulation in winter rapeseed under freezing stress.
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Affiliation(s)
- Jiaping Wei
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
| | - Yingzi Shen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing, China
| | - Xiaoyun Dong
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Yajing Zhu
- Economic Crop Research Institute, Henan Academy of Agricultural Sciences, Zhengzhou, China
| | - Junmei Cui
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
| | - Hui Li
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Guoqiang Zheng
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Haiyan Tian
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Ying Wang
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
| | - Zigang Liu
- State Key Laboratory of Aridland Crop Science, Lanzhou, China
- College of Agronomy, Gansu Agricultural University, Lanzhou, China
- *Correspondence: Zigang Liu,
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Zhou R, Jiang F, Niu L, Song X, Yu L, Yang Y, Wu Z. Increase Crop Resilience to Heat Stress Using Omic Strategies. FRONTIERS IN PLANT SCIENCE 2022; 13:891861. [PMID: 35656008 PMCID: PMC9152541 DOI: 10.3389/fpls.2022.891861] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
Varieties of various crops with high resilience are urgently needed to feed the increased population in climate change conditions. Human activities and climate change have led to frequent and strong weather fluctuation, which cause various abiotic stresses to crops. The understanding of crops' responses to abiotic stresses in different aspects including genes, RNAs, proteins, metabolites, and phenotypes can facilitate crop breeding. Using multi-omics methods, mainly genomics, transcriptomics, proteomics, metabolomics, and phenomics, to study crops' responses to abiotic stresses will generate a better, deeper, and more comprehensive understanding. More importantly, multi-omics can provide multiple layers of information on biological data to understand plant biology, which will open windows for new opportunities to improve crop resilience and tolerance. However, the opportunities and challenges coexist. Interpretation of the multidimensional data from multi-omics and translation of the data into biological meaningful context remained a challenge. More reasonable experimental designs starting from sowing seed, cultivating the plant, and collecting and extracting samples were necessary for a multi-omics study as the first step. The normalization, transformation, and scaling of single-omics data should consider the integration of multi-omics. This review reports the current study of crops at abiotic stresses in particular heat stress using omics, which will help to accelerate crop improvement to better tolerate and adapt to climate change.
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Affiliation(s)
- Rong Zhou
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
- Department of Food Science, Aarhus University, Aarhus, Denmark
| | - Fangling Jiang
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Lifei Niu
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Xiaoming Song
- College of Life Sciences, North China University of Science and Technology, Tangshan, China
| | - Lu Yu
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
| | - Yuwen Yang
- Excellence and Innovation Center, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Zhen Wu
- College of Horticulture, Nanjing Agricultural University, Nanjing, China
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