Williamsia

(wĭl-yăm′zē-ă)

A genus of mycolic acid containing actinomycetes. Most members of the genus are thought to be nonpathogenic bacteria found in a variety of natural environments. They have rarely been identified in culture specimens as a cause of human disease.

References in periodicals archive ?

The distribution of these molecules is restricted to strains in the suborder Corynebacterineae which include the genera Hoyosella, Amycolicicoccus, Corynebacterium, Dietzia, Gordonia, Hoyosella, Millisia, Mycobacterium, Nocardia, Rhodococcus, Segniliparus, Skermania, Smaragdicoccus, Tsukamurella, and Williamsia [65, 66].

Current perspectives on Mycobacterium farcinogenes and Mycobacterium senegalense, the causal agents of bovine farcy

(7) Other mycolic acid-containing bacteria belong to the genera Corynebacterium, Dietzia, Gordonia, Millisia, Nocardia, Segniliparus, Skermania, Smaragdicoccus, Tomitella, Tsukamurella, and Williamsia. Mycolic-acids are considered very important chemotaxonomic markers, and their identification by TLC is a useful tool, especially in the screening of members of some genera.

Phenotypic and genotypic characterization of Rhodococcus equi isolated from sputum

To the Editor: Bacteria of the genus Williamsia are mycolic acid containing actinomycetes of the suborder Corynebacterineae (1).

Since no interpretive criteria exist for Williamsia spp., those previously reported for Nocardia spp.