Lipophilic chelator inhibition of electron transport in Escherichia coli

Autor: I L Sun, R T Crane, F L Crane
Rok vydání: 1975
Předmět:
Zdroj: Journal of Bacteriology. 122:686-690
ISSN: 1098-5530
0021-9193
DOI: 10.1128/jb.122.2.686-690.1975
Popis: The lipophilic chelator bathophenanthroline inhibits electron transport in membranes from Escherichia coli. The less lipophilic 1,10-phenanthroline, bathophenanthroline sulfonate, and alpha,alpha-dipyridyl have little effect. Reduced nicotinamide adenine dinucleotide oxidase is more sensitive to bathophenanthroline inhibition than lactate oxidase activity. Evidence for two sites of inhibition comes from the fact that both reduced nicotinamide adenine dinucleotide menadione reductase and duroquinol oxidase activities are inhibited. Addition of uncouplers of phosphorylation before bathophenanthroline protects against inhibition.
Databáze: OpenAIRE