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麻风树中AS2/LOB基因家族的全基因组鉴定与表达分析

Genome-wide identification and expression analysis of the AS2/LOB gene family in physic nut.

作者信息

Tang Yuehui, Wang Xiaohui, Feng Jiayu, Wang Yaoyao, Liu Tengfei, Bao Xinxin

机构信息

College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China.

出版信息

Front Plant Sci. 2024 Dec 3;15:1504093. doi: 10.3389/fpls.2024.1504093. eCollection 2024.

DOI:10.3389/fpls.2024.1504093
PMID:39691481
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11649428/
Abstract

INTRODUCTION

AS2/LOB genes, a class of transcription factors ubiquitously existing in plants, are vital for plant growth, development, and stress tolerance. Despite the availability of the physic nut genome, information regarding the expression profiles and evolutionary histories of its AS2/LOB genes remains scarce.

METHODS

An elaborate exploration of the AS2/LOB gene family was conducted, including phylogeny, exon-intron structure, chromosomal location, conserved domain characteristics, conserved motifs, promoter cis-acting elements, protein interaction, and expression profiles under normal growth and abiotic stress conditions.

RESULTS

In this study, 28 AS2/LOB genes (JcASLs) were identified in the physic nut genome. Phylogenetic analysis, based on homologs from Arabidopsis, classified the 28 genes into two groups (calss I and II). Chromosome localization indicated that the 28 genes were unevenly distributed across nine chromosomes. RNA-seq and qRT-PCR results revealed that the majority of the 28 genes exhibited differential expression in tissues such as roots, cortex stems, leaves, and seeds. Notably, and were exclusively expressed in seeds, and 16 genes responded to drought and salt stress at least at one time point under at least one treatment condition.

DISCUSSION

These results establish a basis for future investigations into the molecular mechanism by which the genes regulate physic nut's response to drought and salt stress and their role in modulating the growth and development of physic nut.

摘要

引言

AS2/LOB基因是一类在植物中普遍存在的转录因子，对植物的生长、发育和抗逆性至关重要。尽管有麻风树基因组可用，但关于其AS2/LOB基因的表达谱和进化历史的信息仍然匮乏。

方法

对AS2/LOB基因家族进行了详尽的探索，包括系统发育、外显子-内含子结构、染色体定位、保守结构域特征、保守基序、启动子顺式作用元件、蛋白质相互作用以及正常生长和非生物胁迫条件下的表达谱。

结果

在本研究中，在麻风树基因组中鉴定出28个AS2/LOB基因（JcASLs）。基于拟南芥同源物的系统发育分析将这28个基因分为两组（I类和II类）。染色体定位表明这28个基因在九条染色体上分布不均。RNA测序和qRT-PCR结果显示，这28个基因中的大多数在根、皮层茎、叶和种子等组织中表现出差异表达。值得注意的是， 和 仅在种子中表达，并且16个基因在至少一种处理条件下的至少一个时间点对干旱和盐胁迫有响应。

讨论

这些结果为未来研究这些基因调控麻风树对干旱和盐胁迫的响应的分子机制及其在调节麻风树生长发育中的作用奠定了基础。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/45a5dade5943/fpls-15-1504093-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/fca182a743d0/fpls-15-1504093-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/b2989270fc3d/fpls-15-1504093-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/0cfc465cef2e/fpls-15-1504093-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/58dd33b47ff5/fpls-15-1504093-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/bab63cf50278/fpls-15-1504093-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/b15d7f8a9ff0/fpls-15-1504093-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/5d206b0e02fa/fpls-15-1504093-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e999/11649428/45a5dade5943/fpls-15-1504093-g011.jpg

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