文献类型: 外文期刊
第一作者: Zhang, Hongwei
作者: Zhang, Hongwei;Uddin, Mohammed Shalim;Zou, Cheng;Xie, Chuanxiao;Xu, Yunbi;Li, Wen-Xue;Uddin, Mohammed Shalim;Xu, Yunbi
作者机构:
关键词: Candidate gene;consensus QTL;low-phosphorus tolerance;maize;meta-analysis
期刊名称:JOURNAL OF INTEGRATIVE PLANT BIOLOGY ( 影响因子:7.061; 五年影响因子:6.002 )
ISSN: 1672-9072
年卷期: 2014 年 56 卷 3 期
页码:
收录情况: SCI
摘要: Plants with tolerance to low-phosphorus (P) can grow better under low-P conditions, and understanding of genetic mechanisms of low-P tolerance can not only facilitate identifying relevant genes but also help to develop low-P tolerant cultivars. QTL meta-analysis was conducted after a comprehensive review of the reports on QTL mapping for low-P tolerance-related traits in maize. Meta-analysis produced 23 consensus QTL (cQTL), 17 of which located in similar chromosome regions to those previously reported to influence root traits. Meanwhile, candidate gene mining yielded 215 genes, 22 of which located in the cQTL regions. These 22 genes are homologous to 14 functionally characterized genes that were found to participate in plant low-P tolerance, including genes encoding miR399s, Pi transporters and purple acid phosphatases. Four cQTL loci (cQTL2-1, cQTL5-3, cQTL6-2, and cQTL10-2) may play important roles for low-P tolerance because each contains more original QTL and has better consistency across previous reports.
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