Effect of selected environmental and physico-chemical factors on bacterial cytoplasmic membranes
Membranes lipids are one of the most adaptable molecules in response to perturbations. Even subtle changes of the composition of acyl chains or head groups can alter the packing arrangements of lipids within the bilayer. This changes the balance between bilayer and nonbilayer lipids, serving to affe...
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| Veröffentlicht in: | Journal of Microbiological Methods 2003-02, Vol.52 (2), p.149-182 |
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| creator | Denich, T.J Beaudette, L.A Lee, H Trevors, J.T |
| description | Membranes lipids are one of the most adaptable molecules in response to perturbations. Even subtle changes of the composition of acyl chains or head groups can alter the packing arrangements of lipids within the bilayer. This changes the balance between bilayer and nonbilayer lipids, serving to affect bilayer stability and fluidity, as well as altering lipid–protein interactions. External factors can also change membrane fluidity and lipid composition; including temperature, chemicals, ions, pressure, nutrients and the growth phase of the microbial culture. Various biophysical techniques have been used to monitor fluidity changes within the bacterial membrane. In this review, bacterial cytoplasmic membrane changes and related functional effects will be examined as well as the use of fluorescence polarization methods and examples of data obtained from research with bacteria. |
| doi_str_mv | 10.1016/S0167-7012(02)00155-0 |
| format | Article |
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Even subtle changes of the composition of acyl chains or head groups can alter the packing arrangements of lipids within the bilayer. This changes the balance between bilayer and nonbilayer lipids, serving to affect bilayer stability and fluidity, as well as altering lipid–protein interactions. External factors can also change membrane fluidity and lipid composition; including temperature, chemicals, ions, pressure, nutrients and the growth phase of the microbial culture. Various biophysical techniques have been used to monitor fluidity changes within the bacterial membrane. 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Even subtle changes of the composition of acyl chains or head groups can alter the packing arrangements of lipids within the bilayer. This changes the balance between bilayer and nonbilayer lipids, serving to affect bilayer stability and fluidity, as well as altering lipid–protein interactions. External factors can also change membrane fluidity and lipid composition; including temperature, chemicals, ions, pressure, nutrients and the growth phase of the microbial culture. Various biophysical techniques have been used to monitor fluidity changes within the bacterial membrane. 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Psychology</subject><subject>Hot Temperature</subject><subject>Lipid Metabolism</subject><subject>Lipids - analysis</subject><subject>Lipids - classification</subject><subject>Membrane Fluidity - physiology</subject><subject>Membrane Proteins - physiology</subject><subject>Membranes</subject><subject>Microbiology</subject><subject>Molecular Structure</subject><subject>Polarization</subject><subject>Pollutants</subject><subject>Stressors</subject><subject>Water Pollutants, Chemical - metabolism</subject><subject>Water Pollutants, Chemical - toxicity</subject><subject>Xenobiotics - metabolism</subject><subject>Xenobiotics - toxicity</subject><issn>0167-7012</issn><issn>1872-8359</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkUtLAzEQgIMotlZ_grIXRQ-reW2TnkRKfUDBg3qO2eyERnY3NdkW-u_N2mKPQkiG4ZvJ5AtC5wTfEkzGd29pE7nAhF5jeoMxKYocH6AhkYLmkhWTQzT8QwboJMavHmJcHqMBobyYUCaH6HNmLZgu8zaLUKcIqgzatQu-baDtdJ3ptsqWi010xudmAY0zKWm16XyImW-zMoUQXEqaTeeXtY4JyRpoyqBbiKfoyOo6wtnuHKGPx9n79Dmfvz69TB_mueFSdrmgRJd2MjZMYC5xUXKohJ3YkpXESmv7gEkhSjzmWvNCUzAUKlsBJ1IyzUboatt3Gfz3CmKnGhcN1HUawq-iInKMJRUsgcUWNMHHGMCqZXCNDhtFsOrVql-1qvemcFq9WoVT3cXuglXZQLWv2rlMwOUO0DE5sun5xsU9V1DMGe0b3W85SDrWDoKKxkFroHIhfYCqvPtnlB_94Jd6</recordid><startdate>20030201</startdate><enddate>20030201</enddate><creator>Denich, T.J</creator><creator>Beaudette, L.A</creator><creator>Lee, H</creator><creator>Trevors, J.T</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>C1K</scope></search><sort><creationdate>20030201</creationdate><title>Effect of selected environmental and physico-chemical factors on bacterial cytoplasmic membranes</title><author>Denich, T.J ; Beaudette, L.A ; Lee, H ; Trevors, J.T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c488t-721abf96c3704805b4ed7f9fb3b1f8fffb3b3877b064aa45a2ec2edfde41883a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Action of physical and chemical agents on bacteria</topic><topic>Bacteria</topic><topic>Bacteria - chemistry</topic><topic>Bacteria - drug effects</topic><topic>Bacteria - metabolism</topic><topic>Bacteria - ultrastructure</topic><topic>Bacteriology</topic><topic>Biological and medical sciences</topic><topic>Cell Membrane - chemistry</topic><topic>Cell Membrane - drug effects</topic><topic>Environment</topic><topic>Environmental</topic><topic>Fatty Acids - chemistry</topic><topic>Fatty Acids - classification</topic><topic>Fluidity</topic><topic>Fluorescent probes</topic><topic>Fundamental and applied biological sciences. 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| subjects | Action of physical and chemical agents on bacteria Bacteria Bacteria - chemistry Bacteria - drug effects Bacteria - metabolism Bacteria - ultrastructure Bacteriology Biological and medical sciences Cell Membrane - chemistry Cell Membrane - drug effects Environment Environmental Fatty Acids - chemistry Fatty Acids - classification Fluidity Fluorescent probes Fundamental and applied biological sciences. Psychology Hot Temperature Lipid Metabolism Lipids - analysis Lipids - classification Membrane Fluidity - physiology Membrane Proteins - physiology Membranes Microbiology Molecular Structure Polarization Pollutants Stressors Water Pollutants, Chemical - metabolism Water Pollutants, Chemical - toxicity Xenobiotics - metabolism Xenobiotics - toxicity |
| title | Effect of selected environmental and physico-chemical factors on bacterial cytoplasmic membranes |
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