A plasmid-borne truncated luxl homolog controls quorum-sensing systems and extracellular carbohydrate production in Methylobacterium extorquens AM1

A cryptic plasmid of Methylobacterium extorquens AM1 was found to encode tslI, a truncated luxI homolog. tslI was shown to be expressed and to control transcription of the acyl-homoserine lactone (HSL) synthase gene msal and thus, indirectly, acyl-HSL production. In addition, tslI was found to posit...

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Published inJournal of bacteriology Vol. 188; no. 20; pp. 7321 - 7324
Main Authors NIETO PENALVER, Carlos G, CANTET, Franck, MORIN, Danièle, HARAS, Dominique, VORHOLT, Julia A
Format Journal Article
LanguageEnglish
Published Washington, DC American Society for Microbiology 01.10.2006
Subjects
Bacteria
Bacteriology
Biological and medical sciences
Carbohydrates
Deoxyribonucleic acid
DNA
Fundamental and applied biological sciences. Psychology
Gene expression
Microbiology
Miscellaneous
Plasmid
Carbohydrate
Quorum sensing
Microbiology
Bacteriology
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Summary:A cryptic plasmid of Methylobacterium extorquens AM1 was found to encode tslI, a truncated luxI homolog. tslI was shown to be expressed and to control transcription of the acyl-homoserine lactone (HSL) synthase gene msal and thus, indirectly, acyl-HSL production. In addition, tslI was found to positively regulate extracellular polysaccharide production. [PUBLICATION ABSTRACT]
ISSN:0021-9193
1098-5530