Genome-Wide Survey and Expression Analysis of P-1B-ATPases in Rice, Maize and Sorghum

文献类型: 外文期刊

第一作者: Zhiguo, E.

作者: Zhiguo, E.;Li Tingting;Wang Lei;Chen Chen

作者机构:

关键词: P-1B-type ATPase; rice; maize; sorghum; HMA gene family; expression pattern analysis

期刊名称:RICE SCIENCE ( 影响因子:3.333; 五年影响因子:4.226 )

ISSN: 1672-6308

年卷期: 2018 年 25 卷 4 期

页码:

收录情况: SCI

摘要: P-1B-type ATPase ion pumps that transport heavy metal ions across cellular membranes are essential for plant growth and development. To date, a genomic comparison overview of the family in rice, maize and sorghum is not yet available. In this study, a total of 31 heavy metal P-1B-type ATPase (HMA) genes were identified, including 9 in rice, 11 each from maize and sorghum. They were classified into two distinct subfamilies based on their sequence composition and phylogenetic relationship. Four pairs of HMA genes were expanded via gene duplication with tandemly duplicated. Comprehensive analyses were performed to investigate the expression profiles of HMA genes in various tissues by using quantitative real-time PCR. Some HMA members exhibited abundant and tissue-specific expression patterns. Moreover, most of the genes were found to be differentially expressed under the Cu/Cd treatment. This study will facilitate further studies on P-1B-type ATPase family and provide valuable hints for the functional validation in rice, maize and sorghum.

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