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Regulation of nutrient exchange in the Rhizobium-legume symbiosis

Reference	BBS/E/J/000C0622
Principal Investigator / Supervisor	Professor Philip Poole
Co-Investigators / Co-Supervisors
Institution	John Innes Centre
Department	John Innes Centre Department
Funding type	Research
Value (£)	1,345,368
Status	Completed
Type	Institute Project
Start date	25/06/2007
End date	31/08/2013
Duration	75 months

Abstract

Nitrogen fixation by the legume-Rhizobium symbiosis is driven by a supply of carbon from the plant, so by understanding this process we can actually determine which factors regulate the total amount of nitrogen fixed. The regulation of nutrient exchange between a legume and Rhizobium is largely determined by two membrane systems, one is plant derived and the other is bacterial. Our approach to understanding the interactions within and between these membranes is to mutate and clone the bacterial transport systems important for nutrient exchange. The genetics governing regulation of expression of these transport systems is being investigated and their effects on nitrogen fixation assessed.

Summary

unavailable

Committee	Closed Committee - Plant & Microbial Sciences (PMS)
Research Topics	Microbiology, Plant Science, Soil Science
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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