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Genome-wide identification, phylogenetic analysis, and expression profiling of glycine-rich RNA-binding protein (GRPs) genes in seeded and seedless grapes (Vitis vinifera).


ABSTRACT: Glycine-rich RNA-binding proteins (GRPs) are essential for many physiological and biochemical processes in plants, especially the response to environmental stresses. GRPs exist widely in angiosperms and gymnosperms plant species; however, their roles in Vitis vinifera are still poorly understood. To characterize VviGRP gene family, we performed a genomic survey, bioinformatics and expression analysis of VviGRPs in grape. We identified nineteen VviGRPs gene family members. The result of bioinformatics analysis showed their motif distribution, gene structure characteristics and chromosomal locations. Then we carried out synteny and phylogenetic analysis to study the origin and evolutionary relationship of GRPs. Tissue-specific expression analysis showed that VviGRPs have different expression patterns. Meanwhile, we studied expression profiles of seventeen ovule-expressed genes during seed development of stenospermocarpic seedless and seeded grapes, and the result showed that most of them have much higher relative expression levels in stenospermocarpic seedless grapes than that of seeded one before 25 days after full bloom (DAFB). It is suggested that VviGRPs may involve in the seed development process. Taken together, our research indicated that VviGRPs are related to seed development and will be beneficial for further investigations into the seed abortion mechanism under stenospermocarpic grapes.

Supplementary information

The online version contains supplementary material available at 10.1007/s12298-021-01082-3.

SUBMITTER: Tang Y 

PROVIDER: S-EPMC8526680 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Genome-wide identification, phylogenetic analysis, and expression profiling of glycine-rich RNA-binding protein (GRPs) genes in seeded and seedless grapes (<i>Vitis vinifera</i>).

Tang Yujin Y   Huang Congbo C   Li Yan Y   Wang Yuejin Y   Zhang Chaohong C  

Physiology and molecular biology of plants : an international journal of functional plant biology 20211011 10


Glycine-rich RNA-binding proteins (GRPs) are essential for many physiological and biochemical processes in plants, especially the response to environmental stresses. GRPs exist widely in angiosperms and gymnosperms plant species; however, their roles in <i>Vitis vinifera</i> are still poorly understood. To characterize <i>VviGRP</i> gene family, we performed a genomic survey, bioinformatics and expression analysis of <i>VviGRP</i>s in grape<i>.</i> We identified nineteen <i>VviGRP</i>s gene fami  ...[more]

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