[1]李隆,王禹桐,靳晓蕊,等.花生CKX基因家族生物信息学及表达模式分析[J].江苏农业科学,2025,53(24):43-52.
 Li Long,et al.Analysis of CKX gene family bioinformatics and expression pattern in peanut[J].Jiangsu Agricultural Sciences,2025,53(24):43-52.
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花生CKX基因家族生物信息学及表达模式分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第24期
页码:
43-52
栏目:
生物技术
出版日期:
2025-12-20

文章信息/Info

Title:
Analysis of CKX gene family bioinformatics and expression pattern in peanut
作者:
李隆; 王禹桐; 靳晓蕊; 张宇; 邓洪涛; 孟庆林; 赵智辉; 刘立峰
河北农业大学农学院/华北作物改良与调控国家重点实验室/河北省种质资源实验室,河北保定 071001
Author(s):
Li Long; et al
关键词:
花生; CKX基因家族; 茉莉酸; 生物信息学分析; 非生物胁迫; 表达模式
Keywords:
-
分类号:
S188;S565.201
DOI:
-
文献标志码:
A
摘要:
细胞分裂素氧化酶/脱氢酶是催化细胞分裂素降解和失活的关键酶,通过调控植物体内的细胞分裂素水平,影响植物的各种代谢过程。利用BLASTP和HMM方法对栽培花生基因组进行分析,共鉴定出26个CKX基因,命名为AhCKX1至AhCKX26。26个花生CKX基因在11条染色体上分布不均(染色体编号分别为1、3、6、8、9、10、11、13、16、17、20),其中11号染色体包含的CKX基因数量最多。CKX家族基因的启动子区存在大量响应非生物逆境胁迫和植物激素的顺式作用元件。AhCKX在不同组织中均有表达,且表达量差异显著,其中叶和花中的表达量较高。此外,这些基因对多种植物生长调节剂(脱落酸、水杨酸、茉莉酸甲酯)和生长类植物生长调节剂(生长素、赤霉素)的诱导均表现出不同程度的响应。AhCKX4、AhCKX9、AhCKX15、AhCKX17在至少3种非生物胁迫中表达量均显著上调,而AhCKX6、AhCKX24表达量则在至少2种非生物胁迫中显著下调,推测AhCKX4、AhCKX15、AhCKX17在响应非生物胁迫中发挥重要作用。本研究为深入探索花生CKX家族基因的抗逆功能提供了理论基础。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2025-01-09
基金项目:国家自然科学基金(编号:32072097);国家现代农业产业技术体系建设专项(编号:CARS-13);河北省现代农业产业技术体系建设专项(编号:HBCT2018090202);河北省重点研发计划(编号:21326316D-2)。
作者简介:李隆(1989—),男,河南新乡人,博士,讲师,主要从事花生遗传育种研究。E-mail:297478443@qq.com。
通信作者:刘立峰,博士,教授,主要从事花生遗传育种研究。E-mail:liulifeng@hebau.edu.cn。
更新日期/Last Update: 2025-12-20