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Original Articles

Exopolysaccharide Production Is Influenced by Sugars, N-Acylhomoserine Lactone, and Transcriptional Regulators RcsA and RcsB, but Does Not Affect Pathogenicity in the Plant Pathogen Pantoea ananatis

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Pages 997-999 | Received 14 Dec 2010, Accepted 07 Feb 2011, Published online: 22 May 2014
 

Abstract

Pantoea ananatis SK-1 produced EPS by AHL-mediated quorum sensing on an LB agar plate containing glucose, fructose, and sucrose. rcsA and rcsB mutants did not produce EPS with or without AHLs and with or without sugars, but they induced necrotic symptoms in onion leaves. These results indicate that EPS production does not relate to the pathogenicity of SK-1.

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