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Abstract
SUMMARY
Chemostat studies were made of an antibiotic-producing Staphylococcus epidermidis strain (S6+), a similar, but antibiotic non-producing S. epidermidis strain (S6−), and a sensitive indicator strain of Micrococcus sp. (M7). Pure and mixed continuous cultures were investigated at low population levels (in 0.1% peptone water) and at higher levels (in 0.5% peptone water). Strain S6+ antagonised the growth of strain M7 when its colony count was maintained above 107.0 per ml, while strain S6− remained unaffected.
- Received:
- Accepted:
- Published Online:
© J. MED. MICROBIOL. 1977