水稻(Oryza sativa)SMALL AUXIN UP RNA(SAUR)基因的全基因组鉴定和表达分析。

Plant signaling & behavior Pub Date : 2024-12-31 Epub Date: 2024-08-15 DOI:10.1080/15592324.2024.2391658
Chenhao Jia, Yujiao Shi, Hao Wang, Yaofang Zhang, Feng Luo, Zhibin Li, Yubing Tian, Xiangrui Lu, Zhongyou Pei
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引用次数: 0

摘要

SMALL AUXIN UP RNAs(SAURs)是最大的早期叶绿素反应基因家族,在细胞膨大、叶片生长和衰老、叶绿素转运、向心性生长等多个过程中起着至关重要的作用。虽然水稻 SAUR 基因家族在 2006 年就已被确定,但由于其分析方法尚不完善,因此有必要对水稻 SAUR 基因进行鉴定。本研究共鉴定了水稻(Oryza sativa)中分布在 10 条染色体上的 60 个 OsSAUR(包括两个假基因)。利用生物信息学工具系统分析了OsSAURs的理化性质、亚细胞定位、基序组成、染色体位置、基因重复、进化关系、辅助素响应顺式元件等。此外,通过芯片数据分析获得的表达谱显示,OsSAUR基因在不同组织中的表达模式不同,对辅助素处理的反应也不同,表明OsSAUR基因家族成员之间存在功能差异。总之,本研究提供了水稻SAUR基因家族的基本信息,为进一步研究SAUR在水稻生长发育中的作用奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Genome-wide identification and expression analysis of SMALL AUXIN UP RNA (SAUR) genes in rice (Oryza sativa).

SMALL AUXIN UP RNAs (SAURs), the largest family of early auxin response genes, plays crucial roles in multiple processes, including cell expansion, leaf growth and senescence, auxin transport, tropic growth and so on. Although the rice SAUR gene family was identified in 2006, it is necessary to identify the rice SAUR gene due to the imperfection of its analysis methods. In this study, a total of 60 OsSAURs (including two pseudogenes) distributed on 10 chromosomes were identified in rice (Oryza sativa). Bioinformatics tools were used to systematically analyze the physicochemical properties, subcellular localization, motif compositions, chromosomal location, gene duplication, evolutionary relationships, auxin-responsive cis-elements of the OsSAURs. In addition, the expression profiles obtained from microarray data analysis showed that OsSAUR genes had different expression patterns in different tissues and responded to auxin treatment, indicating functional differences among members of OsSAUR gene family. In a word, this study provides basic information for SAUR gene family of rice and lays a foundation for further study on the role of SAUR in rice growth and development.

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