Description of Streptomyces nigrescens JDB 244

Cells are aerobic, Gram-staining-positive, non-flagellated and filamentous. Colonies are wavy, wrinkled, opaque and white to gray colored after incubation for 5 days on R2 A agar at 25℃. In the API 20NE system, positive reaction for hydrolysis of gelatin. In the API 20NE system, negative reaction for nitrate reduction, indole production, glucose fermentation, arginine dihydrolase, urease activity, hydrolysis of esculin, β-galactosidase activity, oxidase activity and utilization of D-glucose, L-arabinose, D-mannose, D­mannitol, N ­acetyl­glucosamine, D­maltose, potassium gluconate, capric acid, adipic acid, malic acid, trisodium citrate and phenylacetic acid. Strain JDB244 (= NIBRBAC000503303) was isolated from soil in Goheung, Jeollanam Province, Korea (34°27′29.33″N 127° 11′14.21″E) .