Identification and expression profiles of tubby-like proteins coding genes in Brassica rapa (B. rapa) in response to hormone and drought stress

文献类型： 外文期刊

第一作者： Khan, Imran

作者： Khan, Imran;Guo, Juxian;Karamat, Umer;Li, Guihua;Fu, Mei

作者机构：

关键词： Genome-wide analysis; Brassica rapa; Tubby-like proteins; Drought; Hormones

期刊名称：BMC PLANT BIOLOGY （ 影响因子：4.8； 五年影响因子：5.4 ）

ISSN： 1471-2229

年卷期： 2025 年 25 卷 1 期

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收录情况： SCI

摘要： BackgroundTubby-like proteins (TLPs) are a widespread multigene family found in single-celled to multicellular eukaryotes. Despite their significance, no reports of TLPs in B. rapa have been made up to this point.ResultsHerein, we identified 14 TLPs in the B. rapa genome and renamed them BrTUB1-BrTUB14 based on their chromosomal location. The bulk of BrTUB proteins contain two characteristic domains: the F-box and Tubby domains. Subcellular localization prediction confirmed that BrTUBs are localized in the nucleus. Expression profiling showed that many BrTUB reacts to a variety of stressors, including drought stress and hormonal treatments (ABA and ethylene). In particular, the BrTUB1 displayed elevated expression to ABA and the drought stress treatment.ConclusionThis study is the first thorough identification of the BrTUB family, providing critical insights into its function and regulation, and laying the groundwork for future functional analyses, particularly concerning drought tolerance of B. rapa.

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