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Appl Environ Microbiol. 2012 Oct;78(20):7476-9. Epub 2012 Aug 3.

The type 3 protein secretion system of Cupriavidus taiwanensis strain LMG19424 compromises symbiosis with Leucaena leucocephala.

Author information

1
University of Geneva, Sciences III, Department of Botany and Plant Biology, Geneva, Switzerland.

Abstract

Cupriavidus taiwanensis forms proficient symbioses with a few Mimosa species. Inactivation of a type III protein secretion system (T3SS) had no effect on Mimosa pudica but allowed C. taiwanensis to establish chronic infections and fix nitrogen in Leucaena leucocephala. Unlike what was observed for other rhizobia, glutamate rather than plant flavonoids mediated transcriptional activation of this atypical T3SS.

PMID:
22865066
PMCID:
PMC3457119
DOI:
10.1128/AEM.01691-12
[Indexed for MEDLINE]
Free PMC Article

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