Eighteen unreported radiation-resistant bacterial species isolated from Korea in 2018 Author Maeng, Soohyun Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Author Park, Yuna Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Author Oh, Hyejin Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Author Damdintogtokh, Tuvshinzaya Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Author Bang, Minji Department of Bio & Environmental Technology, College of Natural Science, Seoul Women’s University, Author Lee, Byoung-Hee Environmental Research Complex, National Institute of Biological Resources, Hwangyeong-ro 42, Seo-gu, Author Kim, Ki-eun Lee and Myung Kyum text Journal of Species Research 2021 10 2 99 116 journal article 10.12651/JSR.2021.10.2.99 2713-8615 12753265 Description of Pseudarthrobacter niigatensis BT 92 Cells are Gram-stain-positive, non-flagellated, and rod-shaped. Colonies are white colored after 3 days of incubation on R 2A at 25°C. In the BIOLOG GEN III test, weak positive for D-maltose, Gentiobiose, D-turanose, stachyose, pH 6, D-raffinose, N -acetyl-neuraminic acid, 1% NaCl, D-galactose, D-fucose, inosine, 1% sodium lactate, D-sorbitol, myo-inositol, D-glucose-6- PO 4 , D-fructose- 6- PO 4 , D-aspartic acid, L-aspartic acid, L-glutamic acid, L-pyroglutamic acid, L-serine, pectin, D-gluconic acid, quinic acid, p-hydroxy-phenylacetic acid, methyl pyruvate, α -keto-glutaric acid, nalidixic acid, potassium tellurite, tween 40, γ-amino-butyric acid and aztreonam are positive. Dextrin, D-trehalose, D-cellobiose, sucrose, pH 5, α -D-lactose, D-melibiose, β -methyl-D-glucoside, D-salicin, N -acetyl-D-glucosamine, N -acetyl- β -Dmannosamine, N -acetyl-D-galactosamine, 4% NaCl, 8% NaCl, α -D-glucose, D-mannose, D-fructose, 3-methyl glucose, L-fucose, L-rhamnose, D-mannitol, D-arabitol, glycerol, gelatin, glycyl-L-proline, L-alanine, L-arginine, L-histidine, D-galacturonic acid, L-galactonic acid lactone, D-glucuronic acid, glucuronamide, mucic acid, D-saccharic acid, D-lactic acid methyl ester, L-lactic acid, citric acid, D-malic acid, L-malic acid, bromo-succinic acid, α -hydroxy-butyric acid, β -hydroxy-D, L-butyric acid, α -keto-butyric acid, acetoacetic acid, propionic acid, acetic acid, sodium butyrate, and sodium bromate. In the API 20NE test, positive for reduction of nitrates (NO 3 ) to nitrogen (N 2 ), reduction of nitrates (NO 3 ) to nitrite (NO 2 - ), urease, esculin hydrolysis, β -galactosidase, D-glucose, L-arabinose, D-mannose, D-maltose, potassium gluconate, malic acid, trisodium citrate, phenylacetic acid; weak positive for D-mannitol; but negative for indole production on tryptophan, glucose fermentation, arginine dihydrolase, gelatin hydrolysis, N -acetyl-D-glucosamine, capric acid, and adipic acid. In the API 32GN test, positive for inositol, D-saccharose (sucrose), D-maltose, D-mannitol, D-glucose, D-melibiose, D-sorbitol, L-arabinose, D-mannitol, sodium malonate, D-ribose, sodium acetate, L-alanine, potassium 5-ketogluconate, L-serine, salicin, propionic acid, valeric acid, trisodium citrate, L-histidine, potassium 2-ketogluconate and 3-hydroxybutyric acid but negative for L-rhamnose, N -acetyl-D-glucosamine, itaconic acid, suberic acid, lactic acid, glycogen, 3-hydroxybenzoic acid, D-fucose, capric acid, 4-hydroxybenzoic acid, and L-proline. Strain BT92 (= NIBRBAC000502727) was isolated from a soil sample, Aewol-eup in Jeju Island, Korea .