New Insights into Evolution of the ABC Transporter Family in Mesostigma viride, a Unicellular Charophyte Algae

文献类型： 外文期刊

第一作者： Gong, Xiaoping

作者： Gong, Xiaoping;Wang, Shanhong

作者机构：

关键词： ABC transporter; green plant; phylogeny; Mesostigma viride; evolution

期刊名称：CURRENT ISSUES IN MOLECULAR BIOLOGY （ 影响因子：2.976； 五年影响因子：3.139 ）

ISSN： 1467-3037

年卷期： 2022 年 44 卷 4 期

页码：

收录情况： SCI

摘要： ATP-binding cassette (ABC) transporters play an important role in driving the exchange of multiple molecules across cell membranes. The plant ABC transporter family is among the largest protein families, and recent progress has advanced our understanding of ABC classification. However, the ancestral form and deep origin of plant ABCs remain elusive. In this study, we identified 59 ABC transporters in Mesostigma viride, a unicellular charophyte algae that represents the earliest diverging lineage of streptophytes, and 1034 ABCs in genomes representing a broad taxonomic sampling from distantly related plant evolutionary lineages, including chlorophytes, charophytes, bryophytes, lycophytes, gymnosperms, basal angiosperms, monocots, and eudicots. We classified the plant ABC transporters by comprehensive phylogenetic analysis of each subfamily. Our analysis revealed the ancestral type of ABC proteins as well as duplication and gene loss during plant evolution, contributing to our understanding of the functional conservation and diversity of this family. In summary, this study provides new insight into the origin and evolution of plant ABC transporters.

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