Morphology | Rarobacter faecitabidus |
CELLULAR |
Staining | Gram positive in young cultures, Gram variable in old cultures, not acid fast |
Morphology | small individual irregular shaped rods (-2.-0.3 x 0.8-1.0 um that may show V arrangements. No branching |
Motility | multitrichous flagella |
Specialized structures | no spores |
Division |
COLONIAL |
Solid surface | pale yello, opaque, convex smooth colonies |
Liquid |
Growth Parameters | Rarobacter faecitabidus |
PHYSIOLOGICAL |
Tropism | chemoorganotrophic |
Oxygen | facultative anaerobes |
pH | |
Temperature | optimum 30 oC |
Requirements | require catalase, hemoglobin or hemin for grow in air, require carbon dioxide for anaerobic growth. Require thiamine and biotin, |
Products | fermentative metaolbism; produce acid but no gas from glucose and a few other charbohydrates No assimilation was reported with a wide range of organic acids, indole negative, nitrate not reduced, starch, casein and gelatin hydrolysed but not cellulsoe |
Enzymes | catalase positive, oxidase positive |
Unique features | adhere to and lyse living yeast cells |
ENVIRONMENTAL |
Habitat | wastewaters of alcoholic beverage factories |
Lifestyle | |
Pathogenicity |
Distribution |
Genome | Rarobacter faecitabidus |
G+C Mol % |
Reference | Rarobacter faecitabidus |
First citation | Yamamoto et al 1988 IJSB 38:7-11 |
The Prokaryotes | p |
Bergey's Determinative | p 580 |
References |