Runyon group II mycobacteria

(redirected from scotochromogens)

Runyon group II my·co·bac·te·ri·a

mycobacteria that produce a yellow pigment even when grown in the dark; when grown in the light, the pigment is orange. These organisms behave as saprophytes in humans and are usually nonpathogenic to laboratory animals.
Synonym(s): scotochromogens

Run·yon group II my·co·bac·te·ri·a

(rŭn'yŏn grūp mī'kō-bak-tēr'ē-ă)
Mycobacteria that produce a yellow pigment even when grown in the dark; when they are grown in the light, the pigment is orange. Organisms placed in this group include Mycobacterium scrofulaceum.
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