Cyanide Resistance in Achromobacter II. Mechanism of Cyanide Resistance
AUTOR(ES)
Oka, Tetuo
RESUMO
Oka, Tetuo (University of Tokyo, Tokyo, Japan), and Kei Arima. Cyanide resistance in Achromobacter. II. Mechanism of cyanide resistance. J. Bacteriol. 90:744–747. 1965.—Photochemical data showed that the only oxidase found in the cyanide-sensitive cells of Achromobacter was cytochrome o, and that cyanide-resistant cells contained at least two oxidases. The oxidase responsible for cyanide resistance was a pigment the CO compound of which had its absorption band at a wavelength longer than 580 mμ. In addition, kinetic data suggested that there were two oxidases having different affinities for cyanide. From the data presented, resistance to cyanide in Achromobacter strain D was attributed to the induced formation of cytochrome a2, which has a very low affinity for cyanide. Several characteristics of cytochrome a2 as a cytochrome oxidase are summarized.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=369635Documentos Relacionados
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