Effects of Ammonium and Nitrite on Growth and Competitive Fitness of Cultivated Methanotrophic Bacteria

The effects of nitrite and ammonium on cultivated methanotrophic bacteria were investigated. Methylomicrobium album ATCC 33003 outcompeted Methylocystis sp. strain ATCC 49242 in cultures with high nitrite levels, whereas cultures with high ammonium levels allowed Methylocystis sp. to compete more ea...

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Published inApplied and Environmental Microbiology Vol. 76; no. 16; pp. 5648 - 5651
Main Authors Nyerges, Györgyi, Han, Suk-Kyun, Stein, Lisa Y
Format Journal Article
LanguageEnglish
Published Washington, DC American Society for Microbiology 01.08.2010
American Society for Microbiology (ASM)
Subjects
Ammonia
Ammonium
Bacteriology
Biological and medical sciences
Cell Division
Colony Count, Microbial
Environmental Microbiology
Fundamental and applied biological sciences. Psychology
Gram-negative bacteria
Methylococcaceae - growth & development
Methylococcaceae - metabolism
Methylocystaceae - growth & development
Methylocystaceae - metabolism
Methylocystis
Microbiology
Nitrites - metabolism
Quaternary Ammonium Compounds - metabolism
Bacteria
Ammonium
Methanotrophy
Growth
Nitrites
Fitness
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Summary:The effects of nitrite and ammonium on cultivated methanotrophic bacteria were investigated. Methylomicrobium album ATCC 33003 outcompeted Methylocystis sp. strain ATCC 49242 in cultures with high nitrite levels, whereas cultures with high ammonium levels allowed Methylocystis sp. to compete more easily. M. album pure cultures and cocultures consumed nitrite and produced nitrous oxide, suggesting a connection between denitrification and nitrite tolerance.
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Present address: Biology Department, Pacific University, 2043 College Way, Forest Grove, OR 97116.
ISSN:0099-2240
1098-5336
1098-6596
DOI:10.1128/AEM.00747-10