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  1. University of Mandalay
  2. Department of Botany

Histone Deacetylase 701 (HDT701) Induces Flowering in Rice by Modulating Expression of OsIDS1

http://hdl.handle.net/20.500.12678/0000000992
http://hdl.handle.net/20.500.12678/0000000992
573187be-8c44-4e64-84e2-991e299aedc8
d50080aa-5283-48f7-994b-ca9dc97f44c0
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Histone Histone Deacetylase 701 (HDT701) Induces.pdf (3126 Kb)
Publication type
Journal article
Upload type
Publication
Title
Title Histone Deacetylase 701 (HDT701) Induces Flowering in Rice by Modulating Expression of OsIDS1
Language en
Publication date 2018
Authors
Cho, Lae-Hyeon
Yoon, Jinmi
Antt Htet Wai
An, Gynheung
Description
Rice is a facultative short-day (SD) plant in which flowering is
induced under SD conditions or by other environmental factors
and internal genetic programs. Overexpression of Histone
Deacetylase 701 (HDT701) accelerates flowering in hybrid rice.
In this study, mutants defective in HDT701 flowered late under
both SD and long-day conditions. Expression levels of
florigens Heading date 3a (Hd3a) and Rice Flowering Locus
T1 (RFT1), and their immediate upstream floral activator Early
heading date 1 (Ehd1), were significantly decreased in the
hdt701 mutants, indicating that HDT701 functions upstream
of Ehd1 in controlling flowering time. Transcript levels of
OsINDETERMINATE SPIKELET 1 (OsIDS1), an upstream repressor
of Ehd1, were significantly increased in the mutants
while those of OsGI and Hd1 were reduced. Chromatinimmunoprecipitation
assays revealed that HDT701 directly
binds to the promoter region of OsIDS1. These results suggest
that HDT701 induces flowering by suppressing OsIDS1.
Keywords
flowering time
Identifier https://umoar.mu.edu.mm/handle/123456789/292
Journal articles
7
Molecules and Cells
41
Conference papaers
Books/reports/chapters
Thesis/dissertations
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