Linked Life Data

1350764

Source:http://linkedlifedata.com/resource/pubmed/id/1350764

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1992-7-7
pubmed:abstractText
Bacteria subjected to a hypotonic osmotic shock lose internal ions and also metabolites, without lysis of the cells. We show that the presence in the shock medium, at submillimolar concentrations, of the ion gadolinium, recently shown to block stretch-activated channels in Xenopus oocytes [Yang, X.-C. & Sachs, F. (1989) Science 243, 1068-1071], was sufficient to inhibit shock-induced release of metabolites such as lactose and ATP in Escherichia coli and ATP in Streptococcus faecalis. Moreover, gadolinium was observed, in patch-clamp experiments, to inhibit the giant stretch-activated channels of E. coli, S. faecalis. and Bacillus subtilis. Taken together, these data suggest that stretch-activated channels are localized in the cytoplasmic membrane of Gram-negative and Gram-positive bacteria, where they control the efflux of osmotic solutes, thus probably playing a major role in the response to hypotonic osmotic shock.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0014-2956
pubmed:author
pubmed:issnType
Print
pubmed:day
1
pubmed:volume
206
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
559-65
pubmed:dateRevised
2007-7-23
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Gadolinium ion inhibits loss of metabolites induced by osmotic shock and large stretch-activated channels in bacteria.
pubmed:affiliation
Laboratoire des Biomembranes, Unité de Recherche Associée au Centre National de la Recherche Scientifique 1116, Université Paris-Sud, Orsay, France.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't