生物
舌苔
遗传学
非生物胁迫
基因
基因家族
基因组
非生物成分
系统发育树
植物
禾本科
生态学
作者
Shuai Yang,Guangyan Feng,Zhongfu Yang,Qiuxu Liu,Jiating Han,Xiaoheng Xu,Gang Nie,Linkai Huang,Xinquan Zhang
出处
期刊:Genome
[Canadian Science Publishing]
日期:2022-02-01
卷期号:65 (4): 189-203
被引量:7
标识
DOI:10.1139/gen-2020-0201
摘要
The C2H2-type zinc finger protein (ZFP) family is one of the largest transcription factor families in the plant kingdom and its members are involved in plant growth, development, and stress responses. As an economically valuable perennial graminaceous forage crop, orchardgrass (Dactylis glomerata) is an important feedstuff resource owing to its high yield and quality. In this study, 125 C2H2-type ZFPs in orchardgrass (Dg-ZFPs) were identified and further classified by phylogenetic analysis. The members with similar gene structures were generally clustered into the same groups, with proteins containing the conserved QALGGH motif being concentrated in groups VIII and IX. Gene ontology and miRNA target analyses indicated that Dg-ZFPs likely perform diverse biological functions through their gene interactions. The RNA-seq data revealed differentially expressed genes across tissues and development phases, suggesting that some Dg-ZFPs might participate in growth and development regulation. Abiotic stress responses of Dg-ZFP genes were verified by qPCR and Saccharomyces cerevisiae transformation, revealing that Dg-ZFP125 could enhance the tolerance of yeasts to osmotic and salt stresses. Our study performed a novel systematic analysis of Dg-ZFPs in orchardgrass, providing a reference for this gene family in other grasses and revealing new insights for enhancing gene utilization.
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