Abstract
Tsukamurella is an aerobic, Gram-positive and nonmotile bacterium. It was first isolated in 1941 from the mycetoma and ovaries of the bedbug. The primary strains were named Corynebacterium paurometabolum and Gordona aurantiaca and are different from the Collins et al., 1988 classification of the new Tsukamurella genus. Human infections with Tsukamurella species are rare because the species is a kind of saprophyte bacterium; however, most information regarding this species comes from case reports. Molecular markers for the identification Tsukamurella include sequencing of 16S rRNA, groEL, rpoB, secA1 and ssrA genes. Given the lack of information on the treatment of Tsukamurella infections, a combination of various antibiotic agents is recommended.
Highlights
Actinomycetes that have mycolic acid have been classified under genera such as Corynebacterium, Gordonia, Mycobacterium, Nocardia, Rhodococcus, Tsukamurella, Skermania and Williamsia [1]
The genus Tsukamurella is an aerobic actinomycetes with a series of very long chains and unsaturated mycolic acid
Kattar et al [11] performed DNA-DNA hybridization and carried out gas liquid chromatography, high-performance liquid chromatography and 16S rRNA gene sequencing with the primers 8FPL and DG74
Summary
Actinomycetes that have mycolic acid (chemotype IV) have been classified under genera such as Corynebacterium, Gordonia, Mycobacterium, Nocardia, Rhodococcus, Tsukamurella, Skermania and Williamsia [1]. The genus Tsukamurella is an aerobic actinomycetes with a series of very long chains and unsaturated mycolic acid. Members of the taxa that comprise mycolic acids with wall chemotype IV differ in some features; Tsukamurella consists of 64 to 78 carbon atoms, Nocardia 44 to 60, Mycobacterium 60 to 90 and Rhodococcus 34 to 64. Tsukamurella, Nocardia, Mycobacterium and Rhodococcus include tuberculostearic acid, but Corynebacterium does not—again, with the exception of some species [4]. The findings of Goodfellow et al showed that Tsukamurella is similar to Mycobacterium and Nocardia, but because of very long series and unsaturated mycolic acid, it can differ from other mycolic acid–containing actinomycetes [4].
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