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Molecular cloning, heterologous expression and characterisation of gibberellin 20-oxidases

ReferenceC01207
Principal Investigator / Supervisor Professor Chris Willis
Co-Investigators /
Co-Supervisors
Institution University of Bristol
DepartmentChemistry
Funding typeResearch
Value (£) 122,113
StatusCompleted
TypeResearch Grant
Start date 28/02/1994
End date 28/07/1997
Duration41 months

Abstract

A cDNA clone for the gibberellin 20-oxidase from Cucurbita maxima cotyledons will be used to isolate homologous clones from Pisum sativum cotyledons. cDNA from both sources will be expressed in Escherichia coli to produce recombinant enzymes for structure and mechanism studies. Isotopically-labelled gibberellin analogues will be used in combination with high-field NMR to study the mechanism of the loss of C-20 in gibberellin biosynthesis. Affinity reagents will be prepared as probes in mapping the enzyme active centre. The importance of individual amino acids at the active site will be determined by site-directed mutagenesis.

Summary

unavailable
Committee Closed Committee - Biochemistry & Cell Biology (BCB)
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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