Physiological and transcriptional responses of contrasting alfalfa (Medicago sativa L.) varieties to salt stress

doi:10.1007/s11240-016-0981-x

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	Physiological and transcriptional responses of contrasting alfalfa (Medicago sativa L.) varieties to salt stress
	Quan, Wenli 1,2; Liu, Xun 1,2; Wang, Haiqing 3; Chan, Zhulong 1
	2016-07-01
发表期刊	PLANT CELL TISSUE AND ORGAN CULTURE
卷号	126 期号:1 页码:105-115
文章类型	Article
摘要	Alfalfa (Medicago sativa L.) acts as a most important legume forage crop and is widely cultivated in various environments. Salt stress is one of the major abiotic stresses in cultivation of alfalfa worldwide. Development of alfalfa cultivars for adaptable to salt environments can provide sustainable solutions. In the present study, we selected two varieties with contrasting salt tolerance-211609 and Xinjiang Daye-from 14 alfalfa varieties. Under salt stress condition, 211609 showed higher leaf water content, less severe cell membrane damage (Electrolyte leakage) and lower accumulation of reactive oxygen species than Xinjiang Daye which exhibited lower GSH content and less antioxidant enzyme activities. In addition, significantly higher expression levels of NHX1, ZFG, CBF4 and HSP23 genes were found in 211609 than those in Xinjiang Daye upon exposure to salt stress. Collectively, these results proved that 211609 showed higher tolerance to salt stress than Xinjiang Daye through regulation of physiological and transcriptional pathways. It could play an important role in breeding program of alfalfa varieties with improved stress tolerance in future.
关键词	Alfalfa Salt Stress Physiological Mechanisms Stress Responsive Genes Transcriptional Expression
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
DOI	10.1007/s11240-016-0981-x
关键词[WOS]	ANTIOXIDANT ENZYME-ACTIVITY ; CONFERS ENHANCED TOLERANCE ; ARABIDOPSIS-THALIANA ; ABIOTIC STRESSES ; TRUNCATULA GENOTYPES ; LIPID-PEROXIDATION ; DROUGHT TOLERANCE ; OXIDATIVE STRESS ; GENE-EXPRESSION ; NACL LEVELS
收录类别	SCI
语种	英语
项目资助者	Hundred Talents Program, Knowledge Innovative Key Program of Chinese Academy of Sciences(Y154761O01076 ; Sino-Africa Joint Research Center ; Y329631O0263)
WOS研究方向	Biotechnology & Applied Microbiology ; Plant Sciences
WOS类目	Biotechnology & Applied Microbiology ; Plant Sciences
WOS记录号	WOS:000378411300009
引用统计	被引频次：26[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/6480
专题	中国科学院西北高原生物研究所
作者单位	1.Chinese Acad Sci, Joint Res Ctr, Wuhan Bot Garden Sino Africa, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Chinese Acad Sci, Key Lab Adaptat & Evolut Plateau Biota, Northeast Inst Plateau Biol, Xining 810008, Peoples R China
推荐引用方式 GB/T 7714	Quan, Wenli,Liu, Xun,Wang, Haiqing,et al. Physiological and transcriptional responses of contrasting alfalfa (Medicago sativa L.) varieties to salt stress[J]. PLANT CELL TISSUE AND ORGAN CULTURE,2016,126(1):105-115.
APA	Quan, Wenli,Liu, Xun,Wang, Haiqing,&Chan, Zhulong.(2016).Physiological and transcriptional responses of contrasting alfalfa (Medicago sativa L.) varieties to salt stress.PLANT CELL TISSUE AND ORGAN CULTURE,126(1),105-115.
MLA	Quan, Wenli,et al."Physiological and transcriptional responses of contrasting alfalfa (Medicago sativa L.) varieties to salt stress".PLANT CELL TISSUE AND ORGAN CULTURE 126.1(2016):105-115.