华北农学报 ›› 2022, Vol. 37 ›› Issue (6): 50-62. doi: 10.7668/hbnxb.20193138

所属专题: 水稻 生物技术

• 作物遗传育种·种质资源·生物技术 • 上一篇    下一篇

粳稻糖基转移酶Ⅰ基因家族全基因组鉴定及功能分析

周镇中, 罗彪, 骆鹰, 夏敏, 汪启明, 饶力群   

  1. 湖南农业大学 生物科学技术学院,道地药用植物规范化栽培与综合利用湖南省工程实验室,湖南 长沙 410128
  • 收稿日期:2022-08-26 出版日期:2022-12-28
  • 作者简介:

    周镇中(1996—),男,湖南湘潭人,硕士,主要从事水稻抗逆研究。

  • 基金资助:
    湖南省高校创新平台开放基金项目(13K063); 科技部国家科技支撑计划项目(2014BAD01B04)

Genome-wide Identification and Functional Analysis of GlycoltransferaseⅠGene Family in Japonica Rice

ZHOU Zhenzhong, LUO Biao, LUO Ying, XIA Min, WANG Qiming, RAO Liqun   

  1. Hunan Engineering Laboratory for Good Agricultural Practice and Comprehensive Utilization of Famous-Region Medicinal Plants,College of Bioscience and Biotechnology,Hunan Agricultural University,Changsha 410128,China
  • Received:2022-08-26 Published:2022-12-28

摘要:

糖基转移酶Ⅰ(GT Ⅰ)家族是糖基转移酶中的一类,其主要功能涉及黄酮类化合物糖基的转移、淀粉和蔗糖的合成等。为揭示GTⅠ基因家族在粳稻生长发育以及抗逆中的作用,为粳稻GTⅠ基因家族成员的功能研究提供基础,为水稻的品种改良和提高水稻耐高温提供思路,采用生物信息学方法鉴定出30个GTⅠ基因家族成员,并分析了粳稻GTⅠ基因家族成员的基因结构、蛋白质理化性质、染色体定位及基因进化、系统发育关系、保守结构域和蛋白质三维结构建模等。结果显示,粳稻的30个GT Ⅰ基因家族成员在水稻12条染色体上均有分布,其基因结构、保守基序和遗传进化相对保守,家族成员启动子均预测到脱落酸响应元件,家族蛋白质的三维结构保守含有6个β-折叠和7个α-螺旋。通过转录组数据与实时荧光定量分析,GTⅠ基因家族大部分成员对高温胁迫的响应出现在高温处理后第6小时,其中OS-GT29表达量呈持续高表达。GTⅠ基因家族在拟南芥和粳稻功能存在相似。

关键词: 粳稻, 糖基转移酶Ⅰ, 基因家族, 生物信息学, 高温胁迫响应

Abstract:

GlycosyltransferaseⅠ(GT Ⅰ)family is one of the glycosyltransferases,whose main functions involve the glycosyltransferase transfer of flavonoids and the synthesis of starch and sucrose.In order to reveal the role of GTⅠ gene family in the growth and development and high temperature tolerance of japonica rice, and to provide a basis for the functional study of GT Ⅰ gene family members in japonica rice,and provide ideas for rice variety improvement and high temperature tolerance. 30 members of GT Ⅰ gene family were identified by bioinformatics methods.The gene structure,physicochemical properties of proteins,chromosome location,gene evolution,phylogenetic relationship,conserved domain and protein three-dimensional structure modeling of members of GTⅠ genes in japonica rice were analyzed by bioinformatics.The results showed that 30 GT Ⅰ family members of japonica rice were distributed on 12 chromosomes of rice and the promoters of GT Ⅰ family members predicted abscisic acid response.The three-dimensional structure of family proteins was conserved and contained 6 β-folds and 7 α-helix.Transcriptome data and Real-time fluorescence quantitative analysis showed that most members of GT Ⅰ gene family responded to high temperature stress at 6 h after high temperature treatment.The expression level of OS-GT29 was continuously high.GT Ⅰ family was functionally similar in Arabidopsis thaliana and rice.

Key words: Japonica rice, Glycosyltransferase Ⅰ, Gene family, Bioinformatics, High temperature stress response

引用本文

周镇中, 罗彪, 骆鹰, 夏敏, 汪启明, 饶力群. 粳稻糖基转移酶Ⅰ基因家族全基因组鉴定及功能分析[J]. 华北农学报, 2022, 37(6): 50-62. doi: 10.7668/hbnxb.20193138.

ZHOU Zhenzhong, LUO Biao, LUO Ying, XIA Min, WANG Qiming, RAO Liqun. Genome-wide Identification and Functional Analysis of GlycoltransferaseⅠGene Family in Japonica Rice[J]. Acta Agriculturae Boreali-Sinica, 2022, 37(6): 50-62. doi: 10.7668/hbnxb.20193138.

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