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Inhibition of pure cultures of methanogens by benzene ring compounds.

Inhibition of pure cultures of methanogens by benzene ring compounds. Inhibition of pure cultures of methanogens by benzene ring compounds. G B Patel , B J Agnew and C J Dicaire Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario. ABSTRACT The inhibition of methane production by Methanosaeta concilii GP6, Methanospirillum hungatei GP1, Methanobacterium espanolae GP9, and Methanobacterium bryantii M.o.H. during short-term (6-h) exposure to eight benzene ring compounds was studied. The concentration that caused 50% inhibition of the methane production rate (IC50) was dependent on the species and the toxicant. Pentachlorophenol was the most toxic of the tested compounds, with an IC50 of less than 8 mg/liter for all species except M. hungatei. Abietic acid was the next most toxic compound for all the species, with an IC50 in the range of 21.4 to 203 mg/liter. Sodium benzoate was generally the least toxic, with an IC50 in the range of 1,225 to 32,400 mg/liter. 3-Chlorobenzoate was substantially more toxic (IC50, 450 to 1,460 mg/liter) than benzoate. The inhibition by benzene, phenol, vanillic acid, and toluene was intermediate to that of pentachlorophenol and benzoate. Long-term incubation (days) studies to determine effect on growth indicated that all eight compounds were usually much more toxic than predicted from the short-term data. In these latter studies, there was generally a good correlation in the observed inhibition as determined from growth and methane production. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Appl. Environ. Microbiol. October 1991 vol. 57 no. 10 2969-2974 » 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 AEM 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 Patel, G. B. Articles by Dicaire, C. J. Search for related content PubMed PubMed citation Articles by Patel, G. B. Articles by Dicaire, C. J. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 77, issue 23 Alert me to new issues of AEM About AEM Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AEM RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0099-2240 Online ISSN: 1098-5336 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AEM .asm.org, visit: http://intl- AEM .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-5821458-4"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied and Environmental Microbiology American Society For Microbiology

Inhibition of pure cultures of methanogens by benzene ring compounds.

Inhibition of pure cultures of methanogens by benzene ring compounds.

Applied and Environmental Microbiology , Volume 57 (10): 2969 – Oct 1, 1991

Abstract

Inhibition of pure cultures of methanogens by benzene ring compounds. G B Patel , B J Agnew and C J Dicaire Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario. ABSTRACT The inhibition of methane production by Methanosaeta concilii GP6, Methanospirillum hungatei GP1, Methanobacterium espanolae GP9, and Methanobacterium bryantii M.o.H. during short-term (6-h) exposure to eight benzene ring compounds was studied. The concentration that caused 50% inhibition of the methane production rate (IC50) was dependent on the species and the toxicant. Pentachlorophenol was the most toxic of the tested compounds, with an IC50 of less than 8 mg/liter for all species except M. hungatei. Abietic acid was the next most toxic compound for all the species, with an IC50 in the range of 21.4 to 203 mg/liter. Sodium benzoate was generally the least toxic, with an IC50 in the range of 1,225 to 32,400 mg/liter. 3-Chlorobenzoate was substantially more toxic (IC50, 450 to 1,460 mg/liter) than benzoate. The inhibition by benzene, phenol, vanillic acid, and toluene was intermediate to that of pentachlorophenol and benzoate. Long-term incubation (days) studies to determine effect on growth indicated that all eight compounds were usually much more toxic than predicted from the short-term data. In these latter studies, there was generally a good correlation in the observed inhibition as determined from growth and methane production. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Appl. Environ. Microbiol. October 1991 vol. 57 no. 10 2969-2974 » 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 AEM 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 Patel, G. B. Articles by Dicaire, C. J. Search for related content PubMed PubMed citation Articles by Patel, G. B. Articles by Dicaire, C. J. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 77, issue 23 Alert me to new issues of AEM About AEM Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AEM RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0099-2240 Online ISSN: 1098-5336 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AEM .asm.org, visit: http://intl- AEM .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-5821458-4"); pageTracker._trackPageview();

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Publisher
American Society For Microbiology
Copyright
Copyright © 1991 by the American society for Microbiology.
ISSN
0099-2240
eISSN
1098-5336
Publisher site
See Article on Publisher Site

Abstract

Inhibition of pure cultures of methanogens by benzene ring compounds. G B Patel , B J Agnew and C J Dicaire Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario. ABSTRACT The inhibition of methane production by Methanosaeta concilii GP6, Methanospirillum hungatei GP1, Methanobacterium espanolae GP9, and Methanobacterium bryantii M.o.H. during short-term (6-h) exposure to eight benzene ring compounds was studied. The concentration that caused 50% inhibition of the methane production rate (IC50) was dependent on the species and the toxicant. Pentachlorophenol was the most toxic of the tested compounds, with an IC50 of less than 8 mg/liter for all species except M. hungatei. Abietic acid was the next most toxic compound for all the species, with an IC50 in the range of 21.4 to 203 mg/liter. Sodium benzoate was generally the least toxic, with an IC50 in the range of 1,225 to 32,400 mg/liter. 3-Chlorobenzoate was substantially more toxic (IC50, 450 to 1,460 mg/liter) than benzoate. The inhibition by benzene, phenol, vanillic acid, and toluene was intermediate to that of pentachlorophenol and benzoate. Long-term incubation (days) studies to determine effect on growth indicated that all eight compounds were usually much more toxic than predicted from the short-term data. In these latter studies, there was generally a good correlation in the observed inhibition as determined from growth and methane production. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article Appl. Environ. Microbiol. October 1991 vol. 57 no. 10 2969-2974 » 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 AEM 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 Patel, G. B. Articles by Dicaire, C. J. Search for related content PubMed PubMed citation Articles by Patel, G. B. Articles by Dicaire, C. J. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 77, issue 23 Alert me to new issues of AEM About AEM Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AEM RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0099-2240 Online ISSN: 1098-5336 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AEM .asm.org, visit: http://intl- AEM .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-5821458-4"); pageTracker._trackPageview();

Journal

Applied and Environmental MicrobiologyAmerican Society For Microbiology

Published: Oct 1, 1991

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