Comprehensive Evolution and Expression anaLysis of PHOSPHATE 1 Gene Family in Allotetraploid Brassica napus and Its Diploid Ancestors

文献类型： 外文期刊

第一作者： Zhang, Jian-Feng

作者： Zhang, Jian-Feng;Chu, Hui-Hui;Liao, Dan;Tong, Yi-Kai;Liu, Ying-Ying;Ren, Feng;Ma, Guang-Jing;Li, Jun

作者机构：

关键词： PHOSPHATE 1; Evolution; Phylogeny; Gene expression; Brassica

期刊名称：BIOCHEMICAL GENETICS （ 影响因子：2.4； 五年影响因子：2.2 ）

ISSN： 0006-2928

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The members of PHOSPHATE 1 (PHO1) family play important roles in plant phosphate (Pi) transport and adaptation to Pi deficiency. The functions of PHO1 family proteins have been reported in several plant species, with the exception of Brassica species. Here, we identified 23, 23, and 44 putative PHO1 family genes in Brassica rapa, Brassica oleracea, and Brassica napus by whole genome analysis, respectively. The phylogenetic analysis divided PHO1 family proteins into eight groups, which represented the orthologous relationships among PHO1 members. The gene structure and the conserved motif analysis indicated that the most PHO1 family genes had similar gene structures and the PHO1 proteins shared mutual conserved motifs. The chromosome distribution analysis showed that the majority of BnPHO1 family genes distributed analogously at chromosomes with BrPHO1 and BoPHO1 family genes. The data showed that PHO1 family genes were highly conserved during evolution from diploid to tetraploid. Furthermore, the expression analysis showed that PHO1 family genes had different expression patterns in plant tissues, suggesting the diversity of gene functions in Brassica species. Meanwhile, the expression analysis also revealed that some PHO1 family genes were significantly responsive to Pi deficiency, suggesting that PHO1 family genes play critical roles in Pi uptake and homeostasis under low Pi stress. Altogether, the characteristics of PHO1 family genes provide a reliable groundwork for further dissecting their functions in Brassica species.

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