Genome-wide investigation of MYB gene family in Areca catechu and potential roles of AcTDF in transgenic Arabidopsis.

IF 2.6 4区生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY

Molecular Biology Reports Pub Date : 2024-11-05 DOI:10.1007/s11033-024-10055-0

Qiyuan An, Yiqi Jiang, Guangzhen Zhou

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引用次数: 0

Abstract

Background: MYB protein, a crucial transcription factor, holds crucial importance in plant growth, development, stress responses, and secondary metabolite regulation. While MYB proteins have been extensively studied, research on MYBs within the palm family, particularly in Areca catechu, remains limited.

Methods and results: This study identified 259 MYB genes in Areca catechu, including 105 1R-MYBs, 150 R2R3-MYBs, 3 3R-MYBs, and 1 4R-MYBs. Physicochemical properties, collinearity, and gene structure of these genes were analyzed. The AcMYB is distributed across 16 chromosomes of A.catechu and has 119 and 195 homologs in Arabidopsis and rice, respectively. Cis-acting elements in the promoter region suggest roles in plant hormones, growth, development, and stress. R2R3-MYB genes were divided into eight groups based on tissue expression profiles. The flowering-related gene AcTDF is highly expressed in male flowers. Overexpression of AcTDF in Arabidopsis promotes early flowering, upregulates AtSOC1 and AtFUL, and enhances tolerance to drought and salt stress.

Conclusions: These results provide valuable insights for the identification and analysis of the MYB gene family in Areca catechu and offer a basis for the subsequent verification of its related functions and the role and significance of its role in the evolution of palms.

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儿茶属 MYB 基因家族的全基因组调查以及 AcTDF 在转基因拟南芥中的潜在作用。

背景：MYB 蛋白是一种重要的转录因子，在植物的生长、发育、胁迫反应和次生代谢物调控中具有至关重要的作用。虽然对 MYB 蛋白进行了广泛的研究，但对棕榈科植物，尤其是对儿茶属植物中的 MYB 的研究仍然有限：这项研究在儿茶属植物中发现了 259 个 MYB 基因，包括 105 个 1R-MYB、150 个 R2R3-MYB、3 个 3R-MYB 和 1 个 4R-MYB。对这些基因的理化性质、共线性和基因结构进行了分析。AcMYB 分布在 A.catechu 的 16 条染色体上，在拟南芥和水稻中分别有 119 和 195 个同源基因。启动子区域的顺式作用元件表明其在植物激素、生长、发育和胁迫中发挥作用。根据组织表达谱将 R2R3-MYB 基因分为八组。与开花相关的基因 AcTDF 在雄花中高表达。在拟南芥中过表达 AcTDF 可促进早开花，上调 AtSOC1 和 AtFUL，并增强对干旱和盐胁迫的耐受性：这些结果为鉴定和分析辣木籽中的 MYB 基因家族提供了有价值的见解，并为后续验证其相关功能及其在棕榈树进化中的作用和意义提供了依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Molecular Biology Reports 生物-生化与分子生物学

CiteScore

5.00

自引率

0.00%

发文量

1048

审稿时长

5.6 months

期刊介绍： Molecular Biology Reports publishes original research papers and review articles that demonstrate novel molecular and cellular findings in both eukaryotes (animals, plants, algae, funghi) and prokaryotes (bacteria and archaea).The journal publishes results of both fundamental and translational research as well as new techniques that advance experimental progress in the field and presents original research papers, short communications and (mini-) reviews.