文献类型： 外文期刊
作者： Zhang, Chun 1 ; Li, Xianglong 1 ; Wang, Zuoping 1 ; Zhang, Zhongbao 1 ; Wu, Zhongyi 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Agr Biotechnol Res Ctr, 9 Shuguanghuayuan Middle Rd, Beijing 100097, Peoples R China
关键词： Maize root; Root growth; Root development; RNA sequencing; Plant hormone; Transcription factor
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2020 年 112 卷 6 期
页码：
收录情况： SCI
摘要： Root system architecture (RSA), the spatio-temporal configuration of roots, plays vital roles in maize (Zea mays L.) development and productivity. We sequenced the maize root transcriptome of four key growth and development stages: the 6th leaf stage, the 12th leaf stage, the tasseling stage and the milk-ripe stage. Differentially expressed genes (DEGs) were detected. 81 DEGs involved in plant hormone signal transduction pathway and 26 transcription factor (TF) genes were screened. These DEGs and TFs were predicted to be potential candidate genes during maize root growth and development. Several of these genes are homologous to well-known genes regulating root architecture or development in Arabidopsis or rice, such as, Zm00001d005892 (AtERF109), Zm00001d027925 (AtERF73/HRE1), Zm00001d047017 (AtMYC2, OsMYC2), Zm00001d039245 (AtWRKY6). Identification of these key genes will provide a further understanding of the molecular mechanisms responsible for maize root growth and development, it will be beneficial to increase maize production and improve stress resistance by altering RSA traits in modern breeding.
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