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Comparative expression analysis of heavy metal ATPase subfamily genes between Cd-tolerant and Cd-sensitive turnip landraces
Wu, Yuansheng1,2; Li, Xiong1,3; Chen, Di1,4; Han, Xi2; Li, Boqun1,3; Yang, Yonghong2; Yang, Yongping1,3
Corresponding AuthorYang, Yongping(yangyp@mail.kib.ac.cn)
2019-08-01
Source PublicationPLANT DIVERSITY
ISSN2096-2703
Volume41Issue:4Pages:275-283
AbstractThe heavy metal ATPase (HMA) subfamily is mainly involved in heavy metal (HM) tolerance and transport in plants, but an understanding of the definite roles and mechanisms of most HMA members are still limited. In the present study, we identified 14 candidate HMA genes named BrrHMA1-BrrHMA8 from the turnip genome and analyzed the phylogeny, gene structure, chromosome distribution, and conserved domains and motifs of HMAs in turnip (Brassica rapa var. rapa). According to our phylogenetic tree, the BrrHMAs are divided into a Zn/Cd/Co/Pb subclass and Cu/Ag subclass. The BrrHMA members show similar structural characteristics within subclasses. To explore the roles of BrrHMAs in turnip, we compared the gene sequences and expression patterns of the BrrHMA genes between a Cd-tolerant landrace and a Cd-sensitive landrace. Most BrrHMA genes showed similar spatial expression patterns in both Cd-tolerant and Cd-sensitive turnip landraces; some BrrHMA genes, however, were differentially expressed in specific tissue in Cd-tolerant and Cd-sensitive turnip. Specifically, BrrHMA genes in the Zn/Cd/Co/Pb subclass shared the same coding sequence but were differentially expressed in Cd-tolerant and Cd-sensitive turnip landraces under Cd stress. Our findings suggest that the stable expression and up-regulated expression of BrrHMA Zn/Cd/Co/Pb subclass genes under Cd stress may contribute to the higher Cd tolerance of turnip landraces. Copyright (C) 2019 Kunming Institute of Botany, Chinese Academy of Sciences. Publishing services by Elsevier B.V.
KeywordHeavy metal ATPase Cadmium Turnip Transmembrane helix Differential gene expression
DOI10.1016/j.pld.2019.02.001
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000484805800008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/68699
Collection中国西南野生生物种质资源库
Corresponding AuthorYang, Yongping
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, China Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China
2.Yunnan Agr Univ, Coll Plant Protect, Kunming 650201, Yunnan, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China
4.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Wu, Yuansheng,Li, Xiong,Chen, Di,et al. Comparative expression analysis of heavy metal ATPase subfamily genes between Cd-tolerant and Cd-sensitive turnip landraces[J]. PLANT DIVERSITY,2019,41(4):275-283.
APA Wu, Yuansheng.,Li, Xiong.,Chen, Di.,Han, Xi.,Li, Boqun.,...&Yang, Yongping.(2019).Comparative expression analysis of heavy metal ATPase subfamily genes between Cd-tolerant and Cd-sensitive turnip landraces.PLANT DIVERSITY,41(4),275-283.
MLA Wu, Yuansheng,et al."Comparative expression analysis of heavy metal ATPase subfamily genes between Cd-tolerant and Cd-sensitive turnip landraces".PLANT DIVERSITY 41.4(2019):275-283.
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