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Genome-Wide Identification and Characterization of Gibberellic Acid-Stimulated Arabidopsis Gene Family in Pineapple (Ananas comosus)

文献类型： 外文期刊

作者： Yang, Mingzhe 1 ; Liu, Chaoyang 1 ; Zhang, Wei 1 ; Wu, Jing 1 ; Zhong, Ziqin 1 ; Yi, Wen 1 ; Liu, Hui 1 ; Leng, Yan 1 ; Sun, Weisheng 2 ; Luan, Aiping 3 ; He, Yehua 1 ;

作者机构： 1.South China Agr Univ, Coll Hort, Minist Agr & Rural Areas, Key Lab Biol & Germplasm Enhancement Hort Crops So, Guangzhou 510642, Peoples R China

2.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Zhanjiang 524091, Peoples R China

3.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Haikou 571101, Peoples R China

关键词： gibberellic acid-stimulated Arabidopsis; pineapple; plant growth; expression patterns

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

ISSN： 1661-6596

年卷期： 2023 年 24 卷 23 期

页码：

收录情况： SCI

摘要： The gibberellic acid-stimulated Arabidopsis (GASA) gene family plays a crucial role in growth, development, and stress response, and it is specific to plants. This gene family has been extensively studied in various plant species, and its functional role in pineapple has yet to be characterized. In this study, 15 AcGASA genes were identified in pineapple through a genome-wide scan and categorized into three major branches based on a phylogenetic tree. All AcGASA proteins share a common structural domain with 12 cysteine residues, but they exhibit slight variations in their physicochemical properties and motif composition. Predictions regarding subcellular localization suggest that AcGASA proteins are present in the cell membrane, Golgi apparatus, nucleus, and cell wall. An analysis of gene synteny indicated that both tandem and segmental repeats have a significant impact on the expansion of the AcGASA gene family. Our findings demonstrate the differing regulatory effects of these hormones (GA, NAA, IAA, MeJA, and ABA) on the AcGASA genes. We analyzed the expression profiles of GASA genes in different pineapple tissue parts, and the results indicated that AcGASA genes exhibit diverse expression patterns during the development of different plant tissues, particularly in the regulation of floral organ development. This study provides a comprehensive understanding of GASA family genes in pineapple. It serves as a valuable reference for future studies on the functional characterization of GASA genes in other perennial herbaceous plants.

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