Bacterial Inhibitition in soil <nalidixic acid>

Ron Gitaitis path4 at
Tue Oct 17 13:59:59 EST 1995

In article <45lvmt$25h at>
Mark Fuller <mark_fuller at> writes:
>Anybody know what antimicrobials I might use to inhibit gram negatives
>in soil while leaving the gram positives totally unaffected?  Normal
I have had some success in inhibiting gram-negative bacteria by incorporating
nalidixic acid and polymyxin B sulfate into a agar media when trying to
isolate Clavibacter michiganensis (gram positive) from soil.
R.D. Gitaitis
Dept. of Plant Pathology
University of Georgia

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