Bovicin HC5, a broad spectrum lantibiotic produced by Streptococcus bovis HC5, catalyzed the efflux of intracellular potassium from Streptococcus bovis JB1, a sensitive strain. ATP also decreased, but this decline appeared to be caused by the activity of the F1FO ATPase rather than efflux per se.

Mantovani HC, Russell JB.

Department of Microbiology, Cornell University, and Agricultural Research Service, USDA, Ithaca, New York 14853.