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The role of beta-amylases in plastidial starch breakdown in plants
Reference
D20100
Principal Investigator / Supervisor
Professor Karen Halliday
Co-Investigators /
Co-Supervisors
Professor Alison Smith
Institution
University of Edinburgh
Department
Inst of Cell and Molecular Biology
Funding type
Research
Value (£)
116,944
Status
Completed
Type
Research Grant
Start date
01/11/2003
End date
31/01/2007
Duration
39 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 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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