Involvement of histone modification in regulating CUP-SHAPED COTYLEDON genes during shoot regeneration in Arabidopsis

被引：8
|
作者：
Song, Y. -G. [1 ]
Liu, Y. -L. [2 ]
Qiu, N. -W. [1 ]
Dong, W. [1 ]
机构：
[1] Qufu Normal Univ, Sch Life Sci, Qufu 273165, Shandong, Peoples R China
[2] Laiwu Vocat & Technol Coll, Dept Informat Engn, Laiwu 271100, Peoples R China
来源：
BIOLOGIA PLANTARUM | 2017年 / 61卷 / 01期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Arabidopsis thaliana; chromatin immunoprecipitation; in vitro culture; MERISTEM FORMATION; CUC1; EXPRESSION; THALIANA; CULTURES;
D O I：
10.1007/s10535-016-0661-z
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Histone modification is a ubiquitous regulator of gene transcription. Arabidopsis CUP-SHAPED COTYLEDON (CUC) genes serve as a marker for shoot apical meristem initiation, but how they are regulated during shoot regeneration from in vitro culture, it is not yet understood. Here, the histone modification status of CUC1, CUC2, and CUC3 was analysed using a combination of chromatin immunoprecipitation (ChIP) and real time quantitative PCR. The activation of CUC1 and CUC2 was associated with an increased level of histone H3K4 trimethylation and/or H3K9 acetylation, as well as a reduced level of H3K9 demethylation in various parts of their promoter and coding sequences. Histone modification is suggested to play an important role in regulating CUC1 and CUC2 expression during shoot regeneration.
引用
收藏
页码：197 / 200
页数：4
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