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Title: Identification and characterization of HupT, a repressor of hydrogen oxidation in Bradyrhizobium japonicum
Authors: Van Soom, Caroline ×
Lerouge, Inge
Vanderleyden, Jozef
Ruiz-Argüeso, T.
Palacios, J. M. #
Issue Date: 1999
Series Title: Journal of Bacteriology vol:181 issue:16 pages:5085-5089
Abstract: The Bradyrhizobium japonicum hupT gene was sequenced, and its gene product was found to be homologous to NtrB-like histidine kinases. A hupT mutant expresses higher levels of hydrogenase activity than the wild-type strain under hydrogenase-inducing conditions (i.e., microaerobiosis plus hydrogen, or symbiosis), whereas in noninduced hupT cells, hupSL expression is derepressed but does not lead to hydrogenase activity. We conclude that HupT is involved in the repression of HupSL synthesis at the transcriptional level but that enzymatic activation requires inducing conditions.
ISSN: 0021-9193
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre of Microbial and Plant Genetics
× corresponding author
# (joint) last author

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