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Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12.

Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12. Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12. J O Falkinham 3rd and R Curtiss 3rd ABSTRACT Conjugation-deficient mutants (Con-) of Escherichia coli K-12 have been isolated by a variety of indirect selective techniques. Mutants with mutations conferring ampicillin resistance, fosfomycin resistance, an alanine requirement, and a failure of ferment a number of carbohydrates were selected because the impaired functions occur in association with cell wall and cell membrane defects. The integrity of these catalytic or structural elements is postulated to have a role in conjugation. The mutants could be divided into at least six general categories corresponding to their defectiveness in the following postulated recipient cell functions: (i) specific-union formation, (ii) effective-union formation, (iii) deoxyribonucleic acid transfer, (iv) plasmid establishment, (v) plasmid maintenance, and (vi) recombination. The availability of these mutants should contribute to the description of the molecular events involved in each of these conjugation steps and the elucidation of these genetic control over the inheritance of conjugationally transferred deoxyribonucleic acid. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article J. Bacteriol. June 1976 vol. 126 no. 3 1194-1206 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of JB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Falkinham, J. O. Articles by Curtiss, R. Search for related content PubMed PubMed citation Articles by Falkinham, J. O. Articles by Curtiss, R. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 194, issue 1 Alert me to new issues of JB About JB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy JB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0021-9193 Online ISSN: 1098-5530 Copyright © 2011 by the American Society for Microbiology. For an alternate route to JB .asm.org, visit: http://intl- JB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-9"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Bacteriology American Society For Microbiology

Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12.

Journal of Bacteriology , Volume 126 (3): 1194 – Jun 1, 1976

Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12.

Journal of Bacteriology , Volume 126 (3): 1194 – Jun 1, 1976

Abstract

Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12. J O Falkinham 3rd and R Curtiss 3rd ABSTRACT Conjugation-deficient mutants (Con-) of Escherichia coli K-12 have been isolated by a variety of indirect selective techniques. Mutants with mutations conferring ampicillin resistance, fosfomycin resistance, an alanine requirement, and a failure of ferment a number of carbohydrates were selected because the impaired functions occur in association with cell wall and cell membrane defects. The integrity of these catalytic or structural elements is postulated to have a role in conjugation. The mutants could be divided into at least six general categories corresponding to their defectiveness in the following postulated recipient cell functions: (i) specific-union formation, (ii) effective-union formation, (iii) deoxyribonucleic acid transfer, (iv) plasmid establishment, (v) plasmid maintenance, and (vi) recombination. The availability of these mutants should contribute to the description of the molecular events involved in each of these conjugation steps and the elucidation of these genetic control over the inheritance of conjugationally transferred deoxyribonucleic acid. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article J. Bacteriol. June 1976 vol. 126 no. 3 1194-1206 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of JB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Falkinham, J. O. Articles by Curtiss, R. Search for related content PubMed PubMed citation Articles by Falkinham, J. O. Articles by Curtiss, R. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 194, issue 1 Alert me to new issues of JB About JB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy JB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0021-9193 Online ISSN: 1098-5530 Copyright © 2011 by the American Society for Microbiology. For an alternate route to JB .asm.org, visit: http://intl- JB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-9"); pageTracker._trackPageview();

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Publisher
American Society For Microbiology
Copyright
Copyright © 1976 by the American society for Microbiology.
ISSN
0021-9193
eISSN
1098-5530
Publisher site
See Article on Publisher Site

Abstract

Isolation and characterization of conjugation-deficient mutants of Escherichia coli K-12. J O Falkinham 3rd and R Curtiss 3rd ABSTRACT Conjugation-deficient mutants (Con-) of Escherichia coli K-12 have been isolated by a variety of indirect selective techniques. Mutants with mutations conferring ampicillin resistance, fosfomycin resistance, an alanine requirement, and a failure of ferment a number of carbohydrates were selected because the impaired functions occur in association with cell wall and cell membrane defects. The integrity of these catalytic or structural elements is postulated to have a role in conjugation. The mutants could be divided into at least six general categories corresponding to their defectiveness in the following postulated recipient cell functions: (i) specific-union formation, (ii) effective-union formation, (iii) deoxyribonucleic acid transfer, (iv) plasmid establishment, (v) plasmid maintenance, and (vi) recombination. The availability of these mutants should contribute to the description of the molecular events involved in each of these conjugation steps and the elucidation of these genetic control over the inheritance of conjugationally transferred deoxyribonucleic acid. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article J. Bacteriol. June 1976 vol. 126 no. 3 1194-1206 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of JB Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Falkinham, J. O. Articles by Curtiss, R. Search for related content PubMed PubMed citation Articles by Falkinham, J. O. Articles by Curtiss, R. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue January 2012, volume 194, issue 1 Alert me to new issues of JB About JB Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy JB RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0021-9193 Online ISSN: 1098-5530 Copyright © 2011 by the American Society for Microbiology. For an alternate route to JB .asm.org, visit: http://intl- JB .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-9"); pageTracker._trackPageview();

Journal

Journal of BacteriologyAmerican Society For Microbiology

Published: Jun 1, 1976

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