Open AccessEffects of Soil and Water Content on Methyl Bromide Oxidation by the Ammonia-Oxidizing Bacterium Nitrosomonas europaea
Author(s) -
Khrystyne N. Duddleston,
Peter J. Bottomley,
Angela J. Porter,
Daniel J. Arp
Publication year - 2000
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.66.6.2636-2640.2000
Subject(s) - nitrosomonas europaea , oxidizing agent , nitrosomonas , bromide , chemistry , bacteria , environmental chemistry , ammonia , substrate (aquarium) , nitrification , inorganic chemistry , biochemistry , organic chemistry , biology , ecology , nitrogen , genetics
Little information exists on the potential of NH3 -oxidizing bacteria to cooxidize halogenated hydrocarbons in soil. A study was conducted to examine the cooxidation of methyl bromide (MeBr) by an NH3 -oxidizing bacterium,Nitrosomonas europaea , under soil conditions. Soil and its water content modified the availability of NH4 + and MeBr and influenced the relative rates of substrate (NH3 ) and cosubstrate (MeBr) oxidations. These observations highlight the complexity associated with characterizing soil cooxidative activities when soil and water interact to differentially affect substrate and cosubstrate availabilities.
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