Phylum Actinobacteria, Class Actinobacteria, Order Actinomycetales, Suborder Corynebacterineae, Family Mycobacteriaceae, Genus
Mycobacterium, Mycobacterium crocinum Hennessee et al. 2009.
Long rods. Weak Gram-positive. Non-motile.
Colonies within 7 days that are small to medium-sized, round, raised or flat, mucoid
or dry, with a smooth border and yellow–orange-pigmented in light or dark. Grows at
28 and 37 ºC. No growth at 45 ºC. No growth in media containing 5% NaCl. Aerobe.
Isolated from non-contaminated soil from Wahiawa, Hawaii, USA.
Can degrade/utilize phenanthrene, fluoranthene, pyrene, but not benzo[a]pyrene.
- Hennessee CT, Seo JS, Alvarez AM, Li QX. Polycyclic aromatic hydrocarbon-degrading species isolated from Hawaiian soils:
Mycobacterium crocinum sp. nov., Mycobacterium pallens sp. nov., Mycobacterium rutilum sp. nov., Mycobacterium rufum sp. nov.
and Mycobacterium aromaticivorans sp. nov. Int J Syst Evol Microbiol 2009; 59:378-387.
Positive results for catalase, alkaline phosphatase and nitrate reduction.
Can utilize glucose, D-fructose, D-mannitol, and succinic acid.
Negative results for beta-glucuronidase, beta-galactosidase, N-acetyl-beta-glucosaminidase, gelatin hydrolysis, alpha-glucosidase,
pyrrolidonyl arylamidase, esculin hydrolysis and urease.
No utilization of L-arabinose, citrate, dextrin, glycerol, D-ribose, and D-xylose.
Variable results for the utilization of D-mannose and trehalose.
(c) Costin Stoica