Linked Life Data

1478452

Source:http://linkedlifedata.com/resource/pubmed/id/1478452

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1-3
pubmed:dateCreated
1993-2-11
pubmed:abstractText
Sophisticated signal transduction systems enable prokaryotes to sense their growth environment and mount an appropriate adaptive response. Signal transduction and gene regulation through the phosphorylation of two regulatory components is now recognised as one of the major global regulatory networks in bacteria. However, not all types of sensor-regulator circuits relay information via phosphoryl transfer. The Vibrio fischeri LuxR protein which has previously been characterised as a member of the response-regulator superfamily responds to a small diffusible signal molecule N-(3-oxohexanoyl)homoserine lactone (HSL). Biosynthesis of HSL in V. fischeri is dependent on the expression of the luxI gene. Until recently, the role of HSL as an 'autoinducer' was thought to be restricted to V. fischeri and a few related marine bacteria in which it controls the onset of bioluminescence. However, we have discovered that a diverse group of terrestrial bacteria: (1) produce HSL; (2) possess genes analogous to luxI; and (3) exhibit cell density-dependent induction of bioluminesence when transformed with a recombinant plasmid carrying V. fischeri lux genes but lacking luxI. In one of these, Erwinia carotovora, HSL is shown to mediate the cell density-dependent biosynthesis of a carbapenem antibiotic.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0378-1097
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
79
pubmed:geneSymbol
lux
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
161-7
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Small molecule-mediated density-dependent control of gene expression in prokaryotes: bioluminescence and the biosynthesis of carbapenem antibiotics.
pubmed:affiliation
Department of Pharmaceutical Sciences, University of Nottingham, University Park, UK.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't