Differential deposition of H2A.Z in combination with histone modifications within related genes in Oryza sativa callus and seedling

被引：30

作者：

Zhang, Kang ^{[1
]}

Xu, Wenying ^{[1
]}

Wang, Chunchao ^{[1
]}

Yi, Xin ^{[1
]}

Zhang, Wenli ^{[2
]}

Su, Zhen ^{[1
]}

机构：

[1] China Agr Univ, Coll Biol Sci, State Key Lab Plant Physiol & Biochem, Beijing 100193, Peoples R China

[2] Nanjing Agr Univ, JCIC MCP, State Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China

来源：

PLANT JOURNAL | 2017年 / 89卷 / 02期

关键词：

H2A; Z; ChIP-seq; Oryza sativa; distribution; gene expression; FLOWERING-LOCUS-C; CHROMATIN-REMODELING COMPLEX; DNA METHYLATION; EXPRESSION; VARIANT; NUCLEOSOME; IDENTIFICATION; REVEALS; ORGANIZATION; ACTIVATION;

D O I：

10.1111/tpj.13381

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

As a histone variant, H2A.Z is highly conserved among species and plays a significant role in diverse cellular processes. Here, we generated genome-wide maps of H2A.Z in Oryza sativa (rice) callus and seedling by combining chromatin immunoprecipitation using H2A.Z antibody and high-throughput sequencing. We found a significantly high peak and a small peak of H2A.Z distributed at the 50 and 30 ends of highly expressed genes, respectively. H2A.Z was also associated with inactive genes in both tissues. H3 lysine 4 trimethylation was associated with H2A.Z deposition at the 50 end of expressed genes, and H3 lysine 27 trimethylation peaks were partially associated with H2A.Z. In summary, our study provides global analysis data for the distribution of H2A.Z in the rice genome. Our results demonstrate that the differential deposition of H2A.Z might play important roles in gene transcription during rice development.

引用

页码：264 / 277

页数：14

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