Transcriptome analysis of cadmium-treated Brassica varieties reveals different expression pattern
文献类型： 外文期刊
作者： Chen, Lunlin 1 ; Wan, Heping 2 ; Li, Shuyu 1 ; Ding, Ge 1 ; Xiong, Jie 1 ; Huang, Yang 1 ; Song, Laiqiang 1 ; Fu, Tingdon 1 ;
作者机构： 1.Jiangxi Acad Agr Sci, Nanchang Branch Natl Oilcrops Improvement, Crops Res Inst, Jiangxi Prov Key Lab Oil Crops Biol, Nanchang 330200, Jiangxi, Peoples R China
2.Huazhong Agr Univ, Coll Plant Sci & Technol, Natl Key Lab Crop Genet Improvement, Natl Engn Res Ctr Rapeseed, Wuhan 430070, Peoples R China
3.Jianghan Univ, Hubei Engn Res Ctr Protect & Utilizat Special Bio, Wuhan 430056, Peoples R China
期刊名称：AGRONOMY JOURNAL （ 影响因子：1.683； 五年影响因子：2.095 ）
ISSN： 0002-1962
年卷期： 2021 年 113 卷 2 期
页码：
收录情况： SCI
摘要： Cadmium, as a heavy metal, has toxic effects to plant and animals. Some vegetables and oilseed crops might be a cadmium hyperaccumulator while the molecular mechanism behind plant response to cadmium stress is still unclear. In the current study, we sequenced three mRNA libraries from Brassica campestris, B. oleracea, and newtype oilseed rape (B. napus L.) roots responsed to cadmium stress to identify the different express pattern during these varieties. In total, 1,426 differentially expressed genes (DEGs) were found in the Brassica varieties response to cadmium stress. The 109 candidate genes were related to cadmium annotated in Arabidopsis, 67 from newtype oilseed rape, 33 from B. campestris, and 29 from B. oleracea. Various DEGs related to ion transport pathway were enriched in gene ontology (GO) terms. Our results also indicated that metabolism genes related to auxin-affected cadmium accumulation in Brassica roots. Combined with the candidate gene detected by GWAS, several genes were identified and shown to be involved in plant response to cadmium. Our results will provide the basis for the molecular mechanism of Brassica varieties response to cadmium in roots.
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