Sodium/proton antiport is required for growth of Escherichia coli at alkaline pH.
McMorrow I, Shuman HA, Sze D, Wilson DM, Wilson TH. Sodium/proton antiport is required for growth of Escherichia coli at alkaline pH. Biochim Biophys Acta. 1989 May 19; 981(1):21-6.