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''Mycobacterium gordonae'' is a species of ''Mycobacterium'' named for Ruth E. Gordon. It is a species of the phylum actinobacteria (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus ''Mycobacterium''. ==Description== Gram-positive, nonmotile and moderate to long acid-fast rods. *Commonly found in tap water and soil. Casual resident in human sputum and gastric lavage specimens. Colony characteristics *Smooth, with yellow or orange scotochromogenic colonies. Even though they are scotochromogenic pigment is intensified by growing in continuous light. Physiology *Growth on Löwenstein-Jensen medium and Middlebrook 7H10 agar within 7 or more days at 37 °C (optimal 25 °C). *Does not grow in the presence of ethambutol (1 mg/l), isoniazid (10 mg/l) and sodium chloride (5%). *Some strains can grow using carbon monoxide as a carbon and energy source. Differential characteristics *A commercial hybridisation assay (AccuProbe) to identify M. gordonae exists. *Intraspecies variability in 16S rDNA sequences 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mycobacterium gordonae」の詳細全文を読む スポンサード リンク
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