Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress

The behaviour and state of the envelopes from B. subtilis cultures grown in Luria Bertani (LB) medium with and without 1.5 M NaCl are compared. Under hypertonic conditions, the hydrophobicity of the cultures increases. The phospholipid and fatty acid (FA) compositions show important differences: a h...

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Detalles Bibliográficos
Publicado:	2000
Materias:	Bacillus subtilis Fatty acids Membranes Phospholipids Stress fatty acid membrane lipid phosphatidylglycerol phospholipid adaptation bacterial membrane conference paper fluorescence hydrophobicity lipid analysis lipid composition membrane fluidity nonhuman osmotic stress Cell Membrane Permeability Fatty Acids Membrane Fluidity Membrane Lipids Water-Electrolyte Balance Luria
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01681605_v55_n1-3_p137_Lopez http://hdl.handle.net/20.500.12110/paper_01681605_v55_n1-3_p137_Lopez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_01681605_v55_n1-3_p137_Lopez
record_format	dspace
spelling	paper:paper_01681605_v55_n1-3_p137_Lopez2023-06-08T15:17:27Z Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress Bacillus subtilis Fatty acids Membranes Phospholipids Stress fatty acid membrane lipid phosphatidylglycerol phospholipid adaptation Bacillus subtilis bacterial membrane conference paper fluorescence hydrophobicity lipid analysis lipid composition membrane fluidity nonhuman osmotic stress Bacillus subtilis Cell Membrane Permeability Fatty Acids Membrane Fluidity Membrane Lipids Phospholipids Water-Electrolyte Balance Bacillus subtilis Luria The behaviour and state of the envelopes from B. subtilis cultures grown in Luria Bertani (LB) medium with and without 1.5 M NaCl are compared. Under hypertonic conditions, the hydrophobicity of the cultures increases. The phospholipid and fatty acid (FA) compositions show important differences: a higher cardiolipin (CL) content [at the expense of phosphatidylglycerol (PG)], and a higher unsaturated and straight chain FA content. The fluidity of the membranes, determined with fluorescent probes, indicates an increase in viscosity of the cytoplasmic membrane. The consequences of these variations in membrane permeability and osmotolerance are discussed. Copyright (C) 2000 Elsevier Science B.V. 2000 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01681605_v55_n1-3_p137_Lopez http://hdl.handle.net/20.500.12110/paper_01681605_v55_n1-3_p137_Lopez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Bacillus subtilis Fatty acids Membranes Phospholipids Stress fatty acid membrane lipid phosphatidylglycerol phospholipid adaptation Bacillus subtilis bacterial membrane conference paper fluorescence hydrophobicity lipid analysis lipid composition membrane fluidity nonhuman osmotic stress Bacillus subtilis Cell Membrane Permeability Fatty Acids Membrane Fluidity Membrane Lipids Phospholipids Water-Electrolyte Balance Bacillus subtilis Luria
spellingShingle	Bacillus subtilis Fatty acids Membranes Phospholipids Stress fatty acid membrane lipid phosphatidylglycerol phospholipid adaptation Bacillus subtilis bacterial membrane conference paper fluorescence hydrophobicity lipid analysis lipid composition membrane fluidity nonhuman osmotic stress Bacillus subtilis Cell Membrane Permeability Fatty Acids Membrane Fluidity Membrane Lipids Phospholipids Water-Electrolyte Balance Bacillus subtilis Luria Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
topic_facet	Bacillus subtilis Fatty acids Membranes Phospholipids Stress fatty acid membrane lipid phosphatidylglycerol phospholipid adaptation Bacillus subtilis bacterial membrane conference paper fluorescence hydrophobicity lipid analysis lipid composition membrane fluidity nonhuman osmotic stress Bacillus subtilis Cell Membrane Permeability Fatty Acids Membrane Fluidity Membrane Lipids Phospholipids Water-Electrolyte Balance Bacillus subtilis Luria
description	The behaviour and state of the envelopes from B. subtilis cultures grown in Luria Bertani (LB) medium with and without 1.5 M NaCl are compared. Under hypertonic conditions, the hydrophobicity of the cultures increases. The phospholipid and fatty acid (FA) compositions show important differences: a higher cardiolipin (CL) content [at the expense of phosphatidylglycerol (PG)], and a higher unsaturated and straight chain FA content. The fluidity of the membranes, determined with fluorescent probes, indicates an increase in viscosity of the cytoplasmic membrane. The consequences of these variations in membrane permeability and osmotolerance are discussed. Copyright (C) 2000 Elsevier Science B.V.
title	Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
title_short	Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
title_full	Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
title_fullStr	Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
title_full_unstemmed	Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress
title_sort	biochemical and biophysical studies of bacillus subtilis envelopes under hyperosmotic stress
publishDate	2000
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01681605_v55_n1-3_p137_Lopez http://hdl.handle.net/20.500.12110/paper_01681605_v55_n1-3_p137_Lopez
_version_	1768545461196554240

Biochemical and biophysical studies of Bacillus subtilis envelopes under hyperosmotic stress

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