干旱区生态环境知识资源中心(Arid): Synergistic regulation at physiological, transcriptional and metabolic levels in tomato plants subjected to a combination of salt and heat stress

Arid

DOI	10.1111/tpj.16580
	Synergistic regulation at physiological, transcriptional and metabolic levels in tomato plants subjected to a combination of salt and heat stress
	Li, Yankai; Jiang, Fangling; Niu, Lifei; Wang, Ge; Yin, Jian; Song, Xiaoming; Ottosen, Carl-Otto; Rosenqvist, Eva; Mittler, Ron; Wu, Zhen; Zhou, Rong
通讯作者	Wu, Z ; Zhou, R
来源期刊	PLANT JOURNAL
ISSN	0960-7412
EISSN	1365-313X
出版年	2024
卷号	117 期号:6 页码:1656-1675
英文摘要	With global warming and climate change, abiotic stresses often simultaneously occur. Combined salt and heat stress was a common phenomenon that was severe, particularly in arid/semi-arid lands. We aimed to reveal the systematic responsive mechanisms of tomato genotypes with different salt/heat susceptibilities to combined salt and heat stress. Morphological and physiological responses of salt-tolerant/sensitive and heat-tolerant/sensitive tomatoes at control, heat, salt and combined stress were investigated. Based on leaf Fv/Fm and H2O2 content, samples from tolerant genotype at the four treatments for 36 h were taken for transcriptomics and metabolomics. We found that plant height, dry weight and net photosynthetic rate decreased while leaf Na+ concentration increased in all four genotypes under salt and combined stress than control. Changes in physiological indicators such as photosynthetic parameters and defence enzyme activities in tomato under combined stress were regulated by the expression of relevant genes and the accumulation of key metabolites. We screened five key pathways in tomato responding to a combination of salt and heat stress, such as oxidative phosphorylation (map00190). Synergistic regulation at morphological, physiological, transcriptional and metabolic levels in tomato plants was induced by combined stress. Heat stress was considered as a dominant stressor for tomato plants under the current combined stress. The oxidative phosphorylation pathway played a key role in tomato in response to combined stress, where tapped key genes (e.g. alternative oxidase, Aox1a) need further functional analysis. Our study will provide a valuable resource important for studying stress combination and improving tomato tolerance. Synergistic regulation at morphological, physiological, transcriptional and metabolic levels in tomato plants was induced by combined stress. Our study will enhance our understanding of plants' specific responses to combined stress and benefit the improvement of tomato tolerance to changing climate.
英文关键词	tomato transcriptome metabolome coordinated regulation combined salt and heat stress
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001114064500001
WOS关键词	ABIOTIC STRESS ; DROUGHT ; SALINITY ; ARABIDOPSIS ; SIGNATURES ; RESPONSES ; SHOCK
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405111
推荐引用方式 GB/T 7714	Li, Yankai,Jiang, Fangling,Niu, Lifei,et al. Synergistic regulation at physiological, transcriptional and metabolic levels in tomato plants subjected to a combination of salt and heat stress[J],2024,117(6):1656-1675.
APA	Li, Yankai.,Jiang, Fangling.,Niu, Lifei.,Wang, Ge.,Yin, Jian.,...&Zhou, Rong.(2024).Synergistic regulation at physiological, transcriptional and metabolic levels in tomato plants subjected to a combination of salt and heat stress.PLANT JOURNAL,117(6),1656-1675.
MLA	Li, Yankai,et al."Synergistic regulation at physiological, transcriptional and metabolic levels in tomato plants subjected to a combination of salt and heat stress".PLANT JOURNAL 117.6(2024):1656-1675.