Difference between revisions of "PMID:3025180"

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{|  id="F56afa769a36bc"  class=" tableEdit PMID_info_table" 
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!align=left align='left' bgcolor='#CCCCFF' |Citation
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'''Imae, Y, Oosawa, K, Mizuno, T, Kihara, M and Macnab, RM'''  (1987) Phenol: a complex chemoeffector in bacterial chemotaxis. ''J. Bacteriol.'' '''169''':371-9
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!align=left align='left' bgcolor='#CCCCFF' |Abstract
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Earlier observations that phenol is a repellent for Salmonella typhimurium but an attractant for Escherichia coli were confirmed. This behavioral difference was found to correlate with a difference in the effect phenol had on receptor methylation levels; it caused net demethylation in S. typhimurium but net methylation in E. coli. On the basis of mutant behavior and measurement of phenol-stimulated methylation, the attractant response of E. coli was shown to be mediated principally by the Tar receptor. In S. typhimurium, two receptors were found to be sensitive to phenol, namely, an unidentified receptor, which mediated the repellent response and showed phenol-stimulated demethylation; and the Tar receptor, which (as with E. coli) mediated the attractant response and showed phenol-stimulated methylation. In wild-type S. typhimurium, the former receptor dominated the Tar receptor, with respect to both behavior and methylation changes. However, when the amount of Tar receptor was artificially increased by the use of Tar-encoding plasmids, S. typhimurium cells exhibited an attractant response to phenol. No protein analogous to the phenol-specific repellent receptor was evident in E. coli, explaining the different behavioral responses of the two species toward phenol.
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[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=3025180 PubMed] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC211777 PMC211777]
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!align=left align='left' bgcolor='#CCCCFF' |Keywords
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Aspartic Acid/pharmacology; Bacterial Proteins/analysis; Chemotaxis; Methylation; Phenols; Plasmids; Salmonella typhimurium/drug effects
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==Main Points of the Paper ==
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== Materials and Methods Used ==
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==Phenotype Annotations==
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==Notes==
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==References==
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[[Category:Publication]]

Latest revision as of 13:43, 1 February 2016

Citation

Imae, Y, Oosawa, K, Mizuno, T, Kihara, M and Macnab, RM (1987) Phenol: a complex chemoeffector in bacterial chemotaxis. J. Bacteriol. 169:371-9

Abstract

Earlier observations that phenol is a repellent for Salmonella typhimurium but an attractant for Escherichia coli were confirmed. This behavioral difference was found to correlate with a difference in the effect phenol had on receptor methylation levels; it caused net demethylation in S. typhimurium but net methylation in E. coli. On the basis of mutant behavior and measurement of phenol-stimulated methylation, the attractant response of E. coli was shown to be mediated principally by the Tar receptor. In S. typhimurium, two receptors were found to be sensitive to phenol, namely, an unidentified receptor, which mediated the repellent response and showed phenol-stimulated demethylation; and the Tar receptor, which (as with E. coli) mediated the attractant response and showed phenol-stimulated methylation. In wild-type S. typhimurium, the former receptor dominated the Tar receptor, with respect to both behavior and methylation changes. However, when the amount of Tar receptor was artificially increased by the use of Tar-encoding plasmids, S. typhimurium cells exhibited an attractant response to phenol. No protein analogous to the phenol-specific repellent receptor was evident in E. coli, explaining the different behavioral responses of the two species toward phenol.

Links

PubMed PMC211777

Keywords

Aspartic Acid/pharmacology; Bacterial Proteins/analysis; Chemotaxis; Methylation; Phenols; Plasmids; Salmonella typhimurium/drug effects

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Main Points of the Paper

Please summarize the main points of the paper.

Materials and Methods Used

Please list the materials and methods used in this paper (strains, plasmids, antibodies, etc).

Phenotype Annotations

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<protect>

Phenotype of Taxon Information Genotype Information (if known) Condition Information OMP ID OMP Term Name ECO ID ECO Term Name Notes Status
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</protect>

Notes

References

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