Genome-wide identification of the histone acetyltransferase gene family in Triticum aestivum.

Abstract:

BACKGROUND:Histone acetylation is a ubiquitous and reversible post-translational modification in eukaryotes and prokaryotes that is co-regulated by histone acetyltransferase (HAT) and histone deacetylase (HDAC). HAT activity is important for the modification of chromatin structure in eukaryotic cells, affecting gene transcription and thereby playing a crucial regulatory role in plant development. Comprehensive analyses of HAT genes have been performed in Arabidopsis thaliana, Oryza sativa, barley, grapes, tomato, litchi and Zea mays, but comparable identification and analyses have not been conducted in wheat (Triticum aestivum). RESULTS:In this study, 31 TaHATs were identified and divided into six groups with conserved gene structures and motif compositions. Phylogenetic analysis was performed to predict functional similarities between Arabidopsis thaliana, Oryza sativa and Triticum aestivum HAT genes. The TaHATs appeared to be regulated by cis-acting elements such as LTR and TC-rich repeats. The qRT-PCR analysis showed that the TaHATs were differentially expressed in multiple tissues. The TaHATs in expression also responded to temperature changes, and were all significantly upregulated after being infected by barley streak mosaic virus (BSMV), Chinese wheat mosaic virus (CWMV) and wheat yellow mosaic virus (WYMV). CONCLUSIONS:These results suggest that TaHATs may have specific roles in the response to viral infection and provide a basis for further study of TaHAT functions in T. aestivum plant immunity.

journal_name

BMC Genomics

journal_title

BMC genomics

authors

Gao S,Li L,Han X,Liu T,Jin P,Cai L,Xu M,Zhang T,Zhang F,Chen J,Yang J,Zhong K

doi

10.1186/s12864-020-07348-6

subject

Has Abstract

pub_date

2021-01-11 00:00:00

pages

49

issue

1

issn

1471-2164

pii

10.1186/s12864-020-07348-6

journal_volume

22

pub_type

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