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	Combined transcriptomic, proteomic and biochemical approaches to identify the cadmium hyper-tolerance mechanism of turnip seedling leaves
	Li,Xiong; Chen,Di; Li,Boqun; Yang,Ya; Yang,Yongping
	2021
发表期刊	ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
ISSN	0944-1344
卷号	28期号:18页码:22458-22473
摘要	Cadmium (Cd) pollution is a prominent environment problem, and great interests have been developed towards the molecular mechanism of Cd accumulation in plants. In this study, we conducted combined transcriptomic, proteomic and biochemical approaches to explore the detoxification of a Cd-hyperaccumulating turnip landrace exposed to 5 mu M (T5) and 25 mu M (T25) Cd treatments. A total of 1090 and 2111 differentially expressed genes (DEGs) and 161 and 303 differentially expressed proteins (DEPs) were identified in turnips under T5 and T25, respectively. However, poor correlations were observed in expression changes between mRNA and protein levels. The enriched KEGG pathways of DEGs with a high proportion (> 80%) of upregulated genes were focused on the flavonoid biosynthesis, sulphur metabolism and glucosinolate biosynthesis pathways, whereas those of DEPs were enriched on the glutathione metabolism pathway. This result suggests that these pathways contribute to Cd detoxification in turnips. Furthermore, induced antioxidant enzymes, heat stock proteins and stimulated protein acetylation modification seemed to play important roles in Cd tolerance in turnips. In addition, several metal transporters were found responsible for the Cd accumulation capacity of turnips. This study may serve as a basis for breeding low-Cd-accumulating vegetables for foodstuff or high-Cd-abstracting plants for phytoremediation.
关键词	Turnip Cadmium Hyperaccumulator Flavonoid Acetylation RNA-SEQ DATA GENOME-WIDE IDENTIFICATION GLUTATHIONE METABOLISM SULFUR ASSIMILATION GENE FAMILIES STRESS EFFLUX ZINC ACCUMULATION PROTEIN
DOI	10.1007/s11356-020-11454-z
WOS记录号	WOS:000606176600005
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/73499
专题	中国科学院昆明植物研究所
作者单位	1.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China 2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China 3.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China
推荐引用方式 GB/T 7714	Li,Xiong,Chen,Di,Li,Boqun,et al. Combined transcriptomic, proteomic and biochemical approaches to identify the cadmium hyper-tolerance mechanism of turnip seedling leaves[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2021,28(18):22458-22473.
APA	Li,Xiong,Chen,Di,Li,Boqun,Yang,Ya,&Yang,Yongping.(2021).Combined transcriptomic, proteomic and biochemical approaches to identify the cadmium hyper-tolerance mechanism of turnip seedling leaves.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,28(18),22458-22473.
MLA	Li,Xiong,et al."Combined transcriptomic, proteomic and biochemical approaches to identify the cadmium hyper-tolerance mechanism of turnip seedling leaves".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 28.18(2021):22458-22473.

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