In article <314943AA.5275 at teclink.net>, Robert McGehee
<rmcgehee at teclink.net> wrote:
> I am looking for information on the aggregation of A. tumefaciens or
> other similar bacteria. I have run into a problem when the A.
> tumefaciens aggregates in certain media. Can anyone give me a reason
> why this occurs?
>> Also, what is the chemical tryptone responsible for in LB growth medium.
> I have found that my bacteria grows well without that substance present
> in its medium.
A. tumefaciens usually aggregates in AB minimal media but not in 523 rich
media. But, I don't know what is the specific compound causing the
aggregation. Anyway, the aggregation seems not to be a problem for the