In article <9411141944.AA20138 at isnet.is.wfu.edu>,
B. Wasilauskas <bwasilau at ISNET.IS.WFU.EDU> wrote:
>At 11:07 AM 11/13/94 -0800, mcgeed at HAL.HAHNEMANN.EDU wrote:
>>>> "Hello microbionetters! I was hoping that someone could explain
>>satellite colonies to me; i. e. why do they form in the presence of
>antibiotic? ......."
If the antibiotic you're using is something like ampicillin, the
satellite colonies (which are not truly resistant) form around a
resistant colony. The resistance mechanism destroys the antibiotic and
the satellites get a free ride.
