scotochromogen


Also found in: Medical.

scotochromogen

[‚skäd·ə′krō·mə·jən]
(microbiology)
Any microorganism which produces pigment when grown without light as well as with light.
A member of group II of the atypical mycobacteria.
References in periodicals archive ?
Nontuberculous mycobacteria are also called as atypical mycobacteria and are classified into: 1) Photochromogens 2) Scotochromogen 3) Nonchromogens 4) Rapid growers.
To the Editor: Mycobacterium heckeshornense is a slow-growing scotochromogen phenotypically and phylogenetically related to M.
* Define rapid grower, scotochromogen, photochromogen, and nonchromogen and provide examples of mycobacteria in each category.