Morphology | Acidomonas methanolica |
CELLULAR |
Staining | Gram negative |
Morphology | rods (0.8-1.0 x 1.5-3.0 um) with rounded ends. Occur singly and occasionally in pairs |
Motility | nonmotile |
Specialized structures | no spores |
Division |
COLONIAL |
Solid surface | Colonies on peptone-Yeast Extract_malt extract agar are shiny, smooth, raised, entire, white to light yellow and 2-3 mm in diameter after 3 days |
Liquid | no water soluble pigments |
Growth Parameters | Acidomonas methanolica |
PHYSIOLOGICAL |
Tropism | chemoorganotroph |
Oxygen | aerobe |
pH | growth occurs between pH 2.0 and pH 5.5 |
Temperature | optimum 30-37 oC no growth at 42 oC |
Requirements | Calcium pantothenate is required cells can use methanol, ethanol, acetic acid, D-glucose,, glycerol, and pectin as the sole carbon sources but cannot use L-arabinose, xylose, fructose, galactose,, maltose, sucrose, lactose, trehalsoe, sorbitol, mannitol, inositol, soluble starch, citric acid, lactic acid, methylamine, methane or hydrogen |
Products | metabolism is strictly respiratory. nitrate not reduced to nitrite. Voges-Proskauer test is negative. Indole not produced. H2S not produced. Geleatin and starch are not hydrolysed. Litmus milk is not changed. Ammonia is produced. Acid is produced from glucose. Acetic acid is produced from ethanol |
Enzymes | urease positive, catalase positive, oxidase positive |
Unique features | no grwoth in the presences of 3% NaCl. |
ENVIRONMENTAL |
Habitat | |
Lifestyle | |
Pathogenicity |
Distribution |
Genome | Acidomonas methanolica |
G+C Mol % |
Reference | Acidomonas methanolica |
First Citation | Urakami et al 1989 IJSB 39: 50-55 |
The Prokaryotes | p |
Bergey's Determinative | p 72 |
References |