Membrane fluidity of Escherichia coli during heat-shock.
Biochim Biophys Acta
; 1239(2): 195-200, 1995 Nov 01.
Article
em En
| MEDLINE
| ID: mdl-7488624
The excimer-forming fluorophore dipyrenylpropane has been used to measure the relative fluidity of total membranes isolated from Escherichia coli grown at 30 or 45 degrees C, or exposed to a heat-shock from 30 to 45 degrees C for various periods of time. Parallel experiments were performed using [35S]methionine pulse-labeling of cells, to study the induction of heat-shock proteins (HSPs) at different times after the sudden change in E. coli growth-temperature from 30 to 45 degrees C. Results suggest that upon an abrupt temperature upshift from 30 to 45 degrees C, membrane fluidity adjustment to the steady-state level at the high temperature, takes place during the E. coli heat-shock response.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Resposta ao Choque Térmico
/
Escherichia coli
/
Fluidez de Membrana
Idioma:
En
Revista:
Biochim Biophys Acta
Ano de publicação:
1995
Tipo de documento:
Article
País de afiliação:
México
País de publicação:
Holanda