Gowing on Columbia CNA Agar
Only Gram-positive bacteria grow
on Columbia CNA agar. (Gram-negative bacteria are inhibited by the colistin
and nalidixic acid added to the agar.) Micrococcus luteus produces
a yellow, water insoluble pigment.
Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: August, 2017