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Author Zhao J., Li M., Gu D., Liu X., Zhang J., Wu K., Zhang X., Teixeira da Silva JA., Duan J.
Title Involvement of rice histone deacetylase HDA705 in seed germination and in response to ABA and abiotic stresses.
Abstract:
Histone acetylation and deacetylation play crucial roles in the modification of chromatin structure and regulation of gene expression in eukaryotes. Histone acetyltransferases (HATs) and histone deacetylases (HDACs) assist to maintain the balance of chromatin acetylation status. Previous studies showed that plant HDACs are key regulators involved in response to development and stresses. In this study, we examined the expression pattern and function of HDA705, a member of the RPD3/HDA1-type HDAC in rice. Overexpression of HDA705 in rice decreased ABA and salt stress resistance during seed germination. Delayed seed germination of HDA705 overexpression lines was associated with down-regulated expression of GA biosynthetic genes and up-regulation of ABA biosynthetic genes. Moreover, overexpression of HDA705 in rice enhanced osmotic stress resistance during the seedling stage. Our findings demonstrate that HDA705 may play a role in regulating seed germination and the response to abiotic stresses in rice.
Journal Biochem. Biophys. Res. Commun.
Country China
Volume 470(2)
Pages 439-44
Year 2016
PubMed ID 26772883
PubMed Central ID -
DOI 10.1016/j.bbrc.2016.01.016
URL -
Relation
Gene D18 GA20OX3 NCED1 NCED2 NCED3 SD1 _
INSD -
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
-
Stages in Each Organ
- Muant Lines (Gene)
-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase