Genome-Wide Analysis of Tubulin Gene Family in Cassava and Expression of Family Member FtsZ2-1 during Various Stress

文献类型： 外文期刊

第一作者： Li, Shuangbao

作者： Li, Shuangbao;Cao, Peng;Wang, Congcong;Zang, Yuwei;Wu, Kunlin;Ran, Fangfang;Liu, Liangwang;Wang, Dayong;Min, Yi;Guo, Jianchun

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关键词： cassava; tubulin; FtsZ2-1; duplication event; expression patterns; abiotic stress

期刊名称：PLANTS-BASEL （ 影响因子：2.762； ）

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年卷期： 2021 年 10 卷 4 期

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收录情况： SCI

摘要： Filamentous temperature-sensitive protein Z (Tubulin/FtsZ) family is a group of conserved GTP-binding (guanine nucleotide-binding) proteins, which are closely related to plant tissue development and organ formation as the major component of the cytoskeleton. According to the published genome sequence information of cassava (Manihot esculenta Crantz), 23 tubulin genes (MeTubulins) were identified, which were divided into four main groups based on their type and phylogenetic characteristics. The same grouping generally has the same or similar motif composition and exon-intron structure. Collinear analysis showed that fragment repetition event is the main factor in amplification of cassava tubulin superfamily gene. The expression profiles of MeTubulin genes in various tissue were analyzed, and it was found that MeTubulins were mainly expressed in leaf, petiole, and stem, while FtsZ2-1 was highly expressed in storage root. The qRT-PCR results of the FtsZ2-1 gene under hormone and abiotic stresses showed that indole-3-acetic acid (IAA) and gibberellin A3 (GA3) stresses could significantly increase the expression of the FtsZ2-1 gene, thereby revealing the potential role of FtsZ2-1 in IAA and GA3 stress-induced responses.

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