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The role of beta-amylases in plastidial starch breakdown in plants

ReferenceD20100
Principal Investigator / Supervisor Professor Karen Halliday
Co-Investigators /
Co-Supervisors
Professor Alison Smith
Institution University of Edinburgh
DepartmentInst of Cell and Molecular Biology
Funding typeResearch
Value (£) 116,944
StatusCompleted
TypeResearch Grant
Start date 01/11/2003
End date 31/01/2007
Duration39 months

Abstract

We have discovered that enzymes previously considered to be necessary for starch breakdown in plastids (phoshorylase and endoamylase), are not essential in Arabidopsis leaves. Instead, we propose that that beta-amylases are primarily responsible for starch breakdown, consistent with the discovery that maltose and maltotriose are major breakdown products. This application aims directly to test the hypothesis that beta-amylases are responsible for plastidial starch breakdown, through analyses of KO mutants lacking beta-amylases. Discovery of the mode of starch breakdown in plastids will facilitate manipulation of starch content of plants.

Summary

unavailable
Committee Closed Committee - Agri-food (AF)
Research TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative X - not in an Initiative
Funding SchemeX – not Funded via a specific Funding Scheme
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