桃树GRF基因家族的全基因组分析及表达谱分析

IF 2.6 3区生物学 Q2 PLANT SCIENCES

Journal of Plant Interactions Pub Date : 2022-03-06 DOI:10.1080/17429145.2022.2045370

Li Liu, Xiu-jie Li, Bo Li, MingYue Sun, Shao-xuan Li

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引用次数: 4

摘要

生长调节因子(GRFs)是植物特异性转录因子，在多种生物过程中发挥重要作用。虽然GRF基因已在多种植物中被发现，但对桃(Prunus persica)中GRF基因的全面分析尚未报道。本研究从桃树基因组中鉴定出分布在6条染色体上的10个PpGRF基因，并对其特性进行了系统分析。表达模式分析表明，大多数PpGRFs优先在幼龄组织中表达。PpGRF启动子中存在多种类型的顺式元件，并且PpGRF在转录水平上对紫外线b射线(UVB)和赤霉素(gibberellin, GA)处理有正向响应。UVB辐照后，赤霉素酸3 (GA3)和吲哚-3-乙酸(IAA)含量也发生了显著变化。ppgrf3、4、5、6、7、9和10对UVB和GA3信号有响应。本研究检测到的PpGRFs的进化模式和表达谱增加了对桃子重要作用的认识。

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Genome-wide analysis of the GRF gene family and their expression profiling in peach (Prunus persica)

ABSTRACT Growth-regulating factors (GRFs) are plant-speciﬁc transcription factors with vital roles in multiple biological processes. Although GRFs have been identified in various plant species, a comprehensive analysis of GRF genes in peach (Prunus persica) has not yet been reported. In this study, 10 PpGRF genes distributed on 6 chromosomes were identified in peach genome and their properties were analyzed systematically. Expression pattern analysis suggested that most PpGRFs were preferentially expressed in young tissues. Multiple types of cis-elements were observed in PpGRF promoters, and PpGRFs positively respond to ultraviolet B-rays (UVB) and gibberellin (GA) treatments at the transcriptional level. Also, the content of gibberellic acid 3 (GA3) and indole-3-acetic acid (IAA) changed significantly after UVB irradiation. PpGRF 3, 4, 5, 6, 7, 9 and 10 positive responses to UVB and GA3 signals. The evolutionary patterns and expression profiles of PpGRFs detected in this study increase understanding of the important roles in peach.

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来源期刊

Journal of Plant Interactions PLANT SCIENCES-

CiteScore

5.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Plant Interactions aims to represent a common platform for those scientists interested in publishing and reading research articles in the field of plant interactions and will cover most plant interactions with the surrounding environment.