Mesorhizobium opportunistum

Kim, Kyung Hyun, Yoon, Jung-Hoon, Kim, Seung-Bum, Jahng, Kwang-Yeop, Cho, Jang-Cheon, Joh, Ki-seong, Cha, Chang-Jun, Seong, Chi-Nam, Bae, Jin-Woo & Jeon, Wan-Taek Im and Che Ok, 2017, A report of 31 unrecorded bacterial species belonging to the class Alphaproteobacteria in Korea, Journal of Species Research 6 (2), pp. 129-140 : 137

Description of Mesorhizobium opportunistum C10-12

Cells are gram-staining-negative, non-flagellated, and rod-shaped. Colonies are circular, convex, entire, and cream-colored after 6 days of incubation at 30°C on R2 A. Positive for esculin hydrolysis. D-Mannitol, N -acetyl-glucosamine, and D-maltose are utilized. Negative for nitrate reduction, indole production, glucose fermentation, and arginine dihydrolase, urease, gelatinase, and β -galactosidase activities. Does not utilize D-glucose, L-arabinose, D-mannose, potassium gluconate, capric acid, adipic acid, malic acid, trisodium citrate, and phenylacetic acid. Strain C 10-12 (= NIBRBAC000498034) was isolated from a natural cave sample, Jeju island, Korea .