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A functional analysis of MS35 (MYB26) a key gene involved in the regulation of anther dehiscence in Arabidopsis

Reference	BBS/B/09635
Principal Investigator / Supervisor	Professor Zoe Wilson
Co-Investigators / Co-Supervisors
Institution	University of Nottingham
Department	Sch of Biosciences
Funding type	Research
Value (£)	293,099
Status	Completed
Type	Research Grant
Start date	01/05/2004
End date	30/04/2007
Duration	36 months

Abstract

The MS35/AtMYB26 gene regulates anther dehiscence via a non-jasmonic acid dependent pathway. Atmyb26 mutants produce functional pollen that fails to be released. This is at least partly due to a lack of secondary thickening in the anther endothecium. Atmyb26 mutants also show altered expression of a dehiscence zone specific polygalacturonase (DZPG) that is involved in stomium lysis. Expression of both AtMYB26 and DZPG also occurs within the developing siliques and appear altered in the mutant. We propose that AtMYB26 may be involved in determining cell identity within the anther and the siliques. By identifying the downstream factors that AtMYB26 regulates and directly interacts with, and by utilising expression studies, this project will provide a molecular genetic analysis of the dehiscence process; such work will have future biotechnological implications.

Summary

unavailable

Committee	Closed Committee - Plant & Microbial Sciences (PMS)
Research Topics	X – not assigned to a current Research Topic
Research Priority	X – Research Priority information not available
Research Initiative	X - not in an Initiative
Funding Scheme	X – not Funded via a specific Funding Scheme

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