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Comparative Study
. 2020 May;112(3):2550-2563.
doi: 10.1016/j.ygeno.2020.02.008. Epub 2020 Feb 10.

Comparative analysis of the P-type ATPase gene family in seven Rosaceae species and an expression analysis in pear (Pyrus bretschneideri Rehd.)

Yuxin Zhang  1 , Qionghou Li  2 , Linlin Xu  3 , Xin Qiao  4 , Chunxin Liu  5 , Shaoling Zhang  6
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Free article
Comparative Study

Comparative analysis of the P-type ATPase gene family in seven Rosaceae species and an expression analysis in pear (Pyrus bretschneideri Rehd.)

Yuxin Zhang et al. Genomics. 2020 May.
Free article

Abstract

P-type ATPases are integral membrane transporters that play important roles in transmembrane transport in plants. However, a comprehensive analysis of the P-type ATPase gene family has not been conducted in Chinese white pear (Pyrus bretschneideri) or other Rosaceae species. Here, we identified 419 P-type ATPase genes from seven Rosaceae species (Pyrus bretschneideri, Malus domestica, Prunus persica, Fragaria vesca, Prunus mume, Pyrus communis and Pyrus betulifolia). Structural and phylogenetic analyses revealed that P-type ATPase genes can be divided into five subfamilies. Different subfamilies have different conserved motifs and cis-acting elements, which may lead to functional divergence within one gene family. Dispersed duplication and whole-genome duplication may play critical roles in the expansion of the P-type ATPase family. Purifying selection was the primary force driving the evolution of P-type ATPase family genes. Based on the dynamic transcriptome analysis and transient transformation of Chinese white pear fruit, Pbr029767.1 in the P3A subfamily were found to be associated with malate accumulation during pear fruit development. Using a co-expression network, we identified several transcription factors that may have regulatory relationships with the P-type ATPase gene family. Overall, this study lays a solid foundation for understanding the evolution and functions of P-type ATPase genes in Chinese white pear and six other Rosaceae species.

Keywords: Dynamic transcriptome; Evolution; Malate accumulation; P-type ATPase; Pear; Rosaceae.

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Conflict of interest statement

Declaration of competing interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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