Exposure of Escherichia coli to acid habituation conditions sensitizes it to alkaline stress
Escherichia coli transferred from pHo 7.0 to pHo 5.5 or 6.0 became alkali-sensitive by a rapidly induced phenotypic response. Alkali sensitization was reduced at pHo 5.0 and virtually abolished at pHo 6.5. The response was triggered by cytoplasmic rather than external or periplasmic acidification an...
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| Veröffentlicht in: | Letters in applied microbiology 1996, Vol.22 (1), p.57-61 |
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| container_title | Letters in applied microbiology |
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| creator | ROWBURY, R. J HUSSAIN, N. H |
| description | Escherichia coli transferred from pHo 7.0 to pHo 5.5 or 6.0 became alkali-sensitive by a rapidly induced phenotypic response. Alkali sensitization was reduced at pHo 5.0 and virtually abolished at pHo 6.5. The response was triggered by cytoplasmic rather than external or periplasmic acidification and de novo protein synthesis was needed. Alkali sensitivity failed to appear at pHo 5.5 plus DNA gyrase inhibitors and was markedly reduced by himA, himD, hns, ompC and nhaA lesions. A tonB deletion mutant showed alkali sensitivity at pHo 7.0. Alkali sensitivity induction was not subject to catabolite repression nor was it appreciably affected by a relA lesion. Acid-induced cells were more sensitive to alkali damage to both DNA and beta-galactosidase and to alkali inhibition of beta-galactosidase induction. Alkali sensitization induced at pHo 5.5 may involve NhaB loss. |
| doi_str_mv | 10.1111/j.1472-765X.1996.tb01108.x |
| format | Article |
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Alkali sensitization induced at pHo 5.5 may involve NhaB loss.</description><identifier>ISSN: 0266-8254</identifier><identifier>EISSN: 1472-765X</identifier><identifier>DOI: 10.1111/j.1472-765X.1996.tb01108.x</identifier><identifier>PMID: 8588889</identifier><identifier>CODEN: LAMIE7</identifier><language>eng</language><publisher>Oxford: Blackwell Science</publisher><subject>Action of physical and chemical agents on bacteria ; Alkalies - pharmacology ; Bacterial Proteins - biosynthesis ; Bacteriology ; beta-Galactosidase - biosynthesis ; Biological and medical sciences ; Biotechnology ; Cell Membrane - drug effects ; Cell Membrane - metabolism ; Culture Media ; DNA, Bacterial - drug effects ; DNA, Bacterial - metabolism ; Enzyme Induction ; Escherichia coli ; Escherichia coli - drug effects ; Escherichia coli - genetics ; Escherichia coli - metabolism ; Fundamental and applied biological sciences. 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H</creatorcontrib><title>Exposure of Escherichia coli to acid habituation conditions sensitizes it to alkaline stress</title><title>Letters in applied microbiology</title><addtitle>Lett Appl Microbiol</addtitle><description>Escherichia coli transferred from pHo 7.0 to pHo 5.5 or 6.0 became alkali-sensitive by a rapidly induced phenotypic response. Alkali sensitization was reduced at pHo 5.0 and virtually abolished at pHo 6.5. The response was triggered by cytoplasmic rather than external or periplasmic acidification and de novo protein synthesis was needed. Alkali sensitivity failed to appear at pHo 5.5 plus DNA gyrase inhibitors and was markedly reduced by himA, himD, hns, ompC and nhaA lesions. A tonB deletion mutant showed alkali sensitivity at pHo 7.0. Alkali sensitivity induction was not subject to catabolite repression nor was it appreciably affected by a relA lesion. Acid-induced cells were more sensitive to alkali damage to both DNA and beta-galactosidase and to alkali inhibition of beta-galactosidase induction. Alkali sensitization induced at pHo 5.5 may involve NhaB loss.</description><subject>Action of physical and chemical agents on bacteria</subject><subject>Alkalies - pharmacology</subject><subject>Bacterial Proteins - biosynthesis</subject><subject>Bacteriology</subject><subject>beta-Galactosidase - biosynthesis</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>Cell Membrane - drug effects</subject><subject>Cell Membrane - metabolism</subject><subject>Culture Media</subject><subject>DNA, Bacterial - drug effects</subject><subject>DNA, Bacterial - metabolism</subject><subject>Enzyme Induction</subject><subject>Escherichia coli</subject><subject>Escherichia coli - drug effects</subject><subject>Escherichia coli - genetics</subject><subject>Escherichia coli - metabolism</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene Deletion</subject><subject>Genes, Bacterial</subject><subject>Hydrogen-Ion Concentration</subject><subject>Microbiology</subject><subject>Phenotype</subject><issn>0266-8254</issn><issn>1472-765X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1Lw0AQhhdRaq3-BGER8Za4k002u0cp9QMKHvTgQQj7Fbo1TWImgeqvN2rw6nuZF56HYRhCLoDFMOZ6G0OaJ1EuspcYlBJxbxgAk_H-gMz_0CGZs0SISCZZekxOELeMMQmJmpGZzOQYNSevq33b4NB52pR0hXbju2A3QVPbVIH2DdU2OLrRJvSD7kNTj6B24bshRV_jWD890tD_yNWbrkLtKfadRzwlR6Wu0J9Nc0GeblfPy_to_Xj3sLxZR-14Xx-lghkNzCkQzANnDoxLrCtBllxLp11SZo6BNsp7DYkxZSml50p5nlnFF-Tqd2vbNe-Dx77YBbS-qnTtmwGLPFcKUgH_ipCzlAuRjeL5JA5m513RdmGnu49i-trILyeu0eqq7HRtA_5pnKkUspx_AVGwgHc</recordid><startdate>1996</startdate><enddate>1996</enddate><creator>ROWBURY, R. J</creator><creator>HUSSAIN, N. 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H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p266t-460ba10d9160e130d1bd2cdf18f3a8dad2f5d01ab9eea12bbff88e399e35c93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Action of physical and chemical agents on bacteria</topic><topic>Alkalies - pharmacology</topic><topic>Bacterial Proteins - biosynthesis</topic><topic>Bacteriology</topic><topic>beta-Galactosidase - biosynthesis</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>Cell Membrane - drug effects</topic><topic>Cell Membrane - metabolism</topic><topic>Culture Media</topic><topic>DNA, Bacterial - drug effects</topic><topic>DNA, Bacterial - metabolism</topic><topic>Enzyme Induction</topic><topic>Escherichia coli</topic><topic>Escherichia coli - drug effects</topic><topic>Escherichia coli - genetics</topic><topic>Escherichia coli - metabolism</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene Deletion</topic><topic>Genes, Bacterial</topic><topic>Hydrogen-Ion Concentration</topic><topic>Microbiology</topic><topic>Phenotype</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ROWBURY, R. J</creatorcontrib><creatorcontrib>HUSSAIN, N. H</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>Letters in applied microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ROWBURY, R. J</au><au>HUSSAIN, N. 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A tonB deletion mutant showed alkali sensitivity at pHo 7.0. Alkali sensitivity induction was not subject to catabolite repression nor was it appreciably affected by a relA lesion. Acid-induced cells were more sensitive to alkali damage to both DNA and beta-galactosidase and to alkali inhibition of beta-galactosidase induction. Alkali sensitization induced at pHo 5.5 may involve NhaB loss.</abstract><cop>Oxford</cop><pub>Blackwell Science</pub><pmid>8588889</pmid><doi>10.1111/j.1472-765X.1996.tb01108.x</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0266-8254 |
| ispartof | Letters in applied microbiology, 1996, Vol.22 (1), p.57-61 |
| issn | 0266-8254 1472-765X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_77991461 |
| source | MEDLINE; Wiley Online Library Journals Frontfile Complete; Oxford University Press Journals All Titles (1996-Current) |
| subjects | Action of physical and chemical agents on bacteria Alkalies - pharmacology Bacterial Proteins - biosynthesis Bacteriology beta-Galactosidase - biosynthesis Biological and medical sciences Biotechnology Cell Membrane - drug effects Cell Membrane - metabolism Culture Media DNA, Bacterial - drug effects DNA, Bacterial - metabolism Enzyme Induction Escherichia coli Escherichia coli - drug effects Escherichia coli - genetics Escherichia coli - metabolism Fundamental and applied biological sciences. Psychology Gene Deletion Genes, Bacterial Hydrogen-Ion Concentration Microbiology Phenotype |
| title | Exposure of Escherichia coli to acid habituation conditions sensitizes it to alkaline stress |
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