Affiliation:
1. Institute of Applied Biochemistry1 and
2. Center for Tsukuba Advanced Research Alliance (TARA),2University of Tsukuba, Tsukuba, Ibaraki 305-8572, Japan
Abstract
ABSTRACT
Many actinomycete strains are able to convert nitrate or nitrite to nitrous oxide (N
2
O). As a representative of actinomycete denitrification systems, the system of
Streptomyces thioluteus
was investigated in detail.
S. thioluteus
attained distinct cell growth upon anaerobic incubation with nitrate or nitrite with concomitant and stoichiometric conversion of nitrate or nitrite to N
2
O, suggesting that the denitrification acts as anaerobic respiration. Furthermore, a copper-containing, dissimilatory nitrite reductase (CuNir) and its physiological electron donor, azurin, were isolated. This is the first report to show that denitrification generally occurs among actinomycetes.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
68 articles.
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