The Mrp Na+/H+ antiporter increases the activity of the malate:quinone oxidoreductase of an Escherichia coli respiratory mutant

Talia H. Swartz, Masahiro Ito, David B. Hicks, Mark Nuqui, Arthur A. Guffanti, Terry A. Krulwich

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Mrp catalyzes secondary Na+/H+ antiport and was hypothesized to have an additional primary energization mode. Mrp-dependent complementation of nonfermentative growth of an Escherichia coli respiratory mutant supported this hypothesis but is shown here to be related to increased expression of host malate:quinone oxidoreductase, not to catalytic activity of Mrp.

Original languageEnglish
Pages (from-to)388-391
Number of pages4
JournalJournal of Bacteriology
Volume187
Issue number1
DOIs
StatePublished - Jan 2005

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