Quick Review Cards for Medical Laboratory Science

Selective Media for Isolation of Neisseria

gonorrhoeaeand Neisseria meningitidis

Clinical Microbiology Review 152

MEDIUM COMMENTS

Modified Thayer-Martin (TM)

Martin-Lewis

New York City medium (NYC)

GC-LECT

JEMBEC plates

Used for specimens from sites with normal flora.

Vancomycin, colistin, nystatin, & trimethoprim inhibit growth of other bacteria & fungi. Incubate in

↑CO 2. Some N. gonorrhoeaemay be inhibited.

Similar to Thayer-Martin, but different antibiotics. Inhibits yeast better. Incubate in ↑CO 2.

Incubate in ↑CO 2. Some N. gonorrhoeaeare inhibited by antibiotics. Genital mycoplasmas will grow.

Antibiotics to inhibit GN & GP bacteria & yeast.

For transportation & growth of N. gonorrhoeae. Plates containNeisseria-selective medium & come

with resealable polyethylene bag & CO 2 -generating tablet. No need to transfer to culture plate.