Identification of the STY13 gene family across the entire genome and an analysis of the essential function of GhSTY13-12 in cotton’s response to abiotic stress

IF 3.9 4区 生物学 Q1 GENETICS & HEREDITY
Shaoliang Zhang, Huiyun Shan, Xiaopei Bo, Jiahui Li, Zili Liu, Pengtao Li, Yuling Liu, Xiaojie Yang, Quanwei Lu, Sumei Wan, Renhai Peng, Yangyang Wei, Shoulin Hu
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引用次数: 0

Abstract

Cotton is an important cash crop, and its yield and quality were affected by abiotic stresses. The serine/threonine protein kinase STY13 gene, belonging to the protein kinase family, is one of the largest and most functionally diverse gene families, which is a critical regulatory molecule for cell function. In this study, we systematically identified and analyzed the STY13 gene family in two major cultivated cotton species (Gossypium hirsutum and Gossypium barbadense) and their two ancestors (Gossypium arboretum and Gossypium raimondii). A total of 46, 50, 26 and 24 STY13 genes were identified from these four species, respectively. Phylogeny analysis showed that cotton STY13 genes (cotton STY protein kinase genes) could be classified into five groups. This gene family was evenly distributed on each chromosome in cotton. STY13 genes contain light-responsive elements, stress-responsive elements, growth and developmental elements, and multiple gene and protein binding sites. Most motifs in the STY13 proteins were conserved and had similar distribution patterns. However, there were some differences in specific motifs in different subfamilies. Gene expression analysis based on RNA-seq and qRT-PCR showed that STY13 genes were responsive to abiotic stress. GhSTY13-12 gene was located in cytoplasm. Silencing of the GhSTY13-12 gene resulted in reduced leaf chlorosis, increased total antioxidant capacity, decreased malondialdehyde content, and enhanced drought and salt tolerance. These results provide a scientific basis for further research on the function of STY13 in cotton and its application on cotton trait improvement.

鉴定全基因组 STY13 基因家族并分析 GhSTY13-12 在棉花应对非生物胁迫中的重要功能
棉花是一种重要的经济作物,其产量和质量受到非生物胁迫的影响。丝氨酸/苏氨酸蛋白激酶 STY13 基因属于蛋白激酶家族,是规模最大、功能最多样的基因家族之一,是细胞功能的关键调控分子。本研究系统鉴定和分析了两种主要栽培棉花(Gossypium hirsutum 和 Gossypium barbadense)及其两个祖先(Gossypium arboretum 和 Gossypium raimondii)的 STY13 基因家族。从这四个物种中分别鉴定出了 46、50、26 和 24 个 STY13 基因。系统进化分析表明,棉花 STY13 基因(棉花 STY 蛋白激酶基因)可分为五组。该基因家族均匀地分布在棉花的每条染色体上。STY13 基因包含光响应元件、胁迫响应元件、生长和发育元件以及多个基因和蛋白结合位点。STY13 蛋白中的大多数基序是保守的,分布模式相似。但是,不同亚家族中的特定基序存在一些差异。基于 RNA-seq 和 qRT-PCR 的基因表达分析表明,STY13 基因对非生物胁迫具有响应性。GhSTY13-12 基因位于细胞质中。沉默 GhSTY13-12 基因可减少叶片萎黄,提高总抗氧化能力,降低丙二醛含量,增强耐旱性和耐盐性。这些结果为进一步研究 STY13 在棉花中的功能及其在棉花性状改良中的应用提供了科学依据。
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来源期刊
CiteScore
3.50
自引率
3.40%
发文量
92
审稿时长
2 months
期刊介绍: Functional & Integrative Genomics is devoted to large-scale studies of genomes and their functions, including systems analyses of biological processes. The journal will provide the research community an integrated platform where researchers can share, review and discuss their findings on important biological questions that will ultimately enable us to answer the fundamental question: How do genomes work?
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