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Genome-wide identification, classification and expression analysis of the JmjC domain-containing histone demethylase gene family in maize.
BMC Genomics. 2019 Apr 01; 20(1):256.BG

Abstract

BACKGROUND

Histone methylation mainly occurs on the lysine residues and plays a crucial role during flowering and stress responses of plants, through changing the methylation status or ratio of lysine residues. Histone lysine residues of plants can arise in three forms of methylation (single, double and triple) and the corresponding demethylation can also ensue on certain occasions, by which the plants can accommodate the homeostasis of histone methylation by means of lysine methyltransferase and demethylase. The JmjC domain-containing proteins, an important family of histone lysine demethylases, play a vital role in maintaining homeostasis of histone methylation in vivo.

RESULTS

In this study, we have identified 19 JmjC domain-containing histone demethylase (JHDM) proteins in maize. Based on structural characteristics and a comparison of phylogenetic relationships of JHDM gene families from Arabidopsis, rice and maize, all 19 JHDM proteins in maize were categorized into three different subfamilies. Furthermore, chromosome location and schematic structure revealed an unevenly distribution on chromosomes and structure features of ZmJMJ genes in maize, respectively. Eventually, the 19 ZmJMJ genes displayed different expression patterns at diverse developmental stages of maize based on transcriptome analysis. Further, quantitative real-time PCR analysis showed that all 19 ZmJMJ genes were responsive to heat stress treatment, suggesting their potential roles in heat stress response.

CONCLUSIONS

Overall, our study will serve to present an important theoretical basis for future functional verification of JHDM genes to further unravel the mechanisms of epigenetic regulation in plants.

Authors+Show Affiliations

Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, Anhui Normal University, Wuhu, 241000, China. qyx2011@ahnu.edu.cn.Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, Anhui Normal University, Wuhu, 241000, China.Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, Anhui Normal University, Wuhu, 241000, China.Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, Anhui Normal University, Wuhu, 241000, China.Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, Anhui Normal University, Wuhu, 241000, China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30935385

Citation

Qian, Yexiong, et al. "Genome-wide Identification, Classification and Expression Analysis of the JmjC Domain-containing Histone Demethylase Gene Family in Maize." BMC Genomics, vol. 20, no. 1, 2019, p. 256.
Qian Y, Chen C, Jiang L, et al. Genome-wide identification, classification and expression analysis of the JmjC domain-containing histone demethylase gene family in maize. BMC Genomics. 2019;20(1):256.
Qian, Y., Chen, C., Jiang, L., Zhang, J., & Ren, Q. (2019). Genome-wide identification, classification and expression analysis of the JmjC domain-containing histone demethylase gene family in maize. BMC Genomics, 20(1), 256. https://doi.org/10.1186/s12864-019-5633-1
Qian Y, et al. Genome-wide Identification, Classification and Expression Analysis of the JmjC Domain-containing Histone Demethylase Gene Family in Maize. BMC Genomics. 2019 Apr 1;20(1):256. PubMed PMID: 30935385.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Genome-wide identification, classification and expression analysis of the JmjC domain-containing histone demethylase gene family in maize. AU - Qian,Yexiong, AU - Chen,Changle, AU - Jiang,Lingyu, AU - Zhang,Jing, AU - Ren,Qiaoyu, Y1 - 2019/04/01/ PY - 2018/06/12/received PY - 2019/03/21/accepted PY - 2019/4/3/entrez PY - 2019/4/3/pubmed PY - 2019/7/13/medline KW - Epigenetics KW - Heat stress KW - Histone demethylation KW - JHDM gene family KW - JmjC domain KW - Zea mays L SP - 256 EP - 256 JF - BMC genomics JO - BMC Genomics VL - 20 IS - 1 N2 - BACKGROUND: Histone methylation mainly occurs on the lysine residues and plays a crucial role during flowering and stress responses of plants, through changing the methylation status or ratio of lysine residues. Histone lysine residues of plants can arise in three forms of methylation (single, double and triple) and the corresponding demethylation can also ensue on certain occasions, by which the plants can accommodate the homeostasis of histone methylation by means of lysine methyltransferase and demethylase. The JmjC domain-containing proteins, an important family of histone lysine demethylases, play a vital role in maintaining homeostasis of histone methylation in vivo. RESULTS: In this study, we have identified 19 JmjC domain-containing histone demethylase (JHDM) proteins in maize. Based on structural characteristics and a comparison of phylogenetic relationships of JHDM gene families from Arabidopsis, rice and maize, all 19 JHDM proteins in maize were categorized into three different subfamilies. Furthermore, chromosome location and schematic structure revealed an unevenly distribution on chromosomes and structure features of ZmJMJ genes in maize, respectively. Eventually, the 19 ZmJMJ genes displayed different expression patterns at diverse developmental stages of maize based on transcriptome analysis. Further, quantitative real-time PCR analysis showed that all 19 ZmJMJ genes were responsive to heat stress treatment, suggesting their potential roles in heat stress response. CONCLUSIONS: Overall, our study will serve to present an important theoretical basis for future functional verification of JHDM genes to further unravel the mechanisms of epigenetic regulation in plants. SN - 1471-2164 UR - https://www.unboundmedicine.com/medline/citation/30935385/Genome_wide_identification_classification_and_expression_analysis_of_the_JmjC_domain_containing_histone_demethylase_gene_family_in_maize_ L2 - https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-019-5633-1 DB - PRIME DP - Unbound Medicine ER -