Deinococcus hibisci, Moya & Yan & Chu & Won & Yang & Wang & Kook & Yi, 2018

Moya, Gabriela, Yan, Zheng-Fei, Chu, Dong-Hun, Won, KyungHwa, Yang, Jung-Eun, Wang, Qi-Jun, Kook, Moo-Chang & Yi, Tae-Hoo, 2018, Deinococcus hibisci sp. nov., isolated from rhizosphere of Hibiscus syriacus L. (mugunghwa flower), International Journal of Systematic and Evolutionary Microbiology 68 (1), pp. 28-34 : 32-33

publication ID

https://doi.org/ 10.1099/ijsem.0.002405

DOI

https://doi.org/10.5281/zenodo.6309502

persistent identifier

https://treatment.plazi.org/id/03FE87A4-FF98-7A23-C328-BA98FF62FCF0

treatment provided by

Felipe

scientific name

Deinococcus hibisci
status

sp. nov.

DESCRIPTION OF DEINOCOCCUS HIBISCI SP. NOV.

Deinococcus hibisci (hi.bis′ ci. L. gen. n. hibisci of the plant genus Hibiscus ).

Cells are Gram-positive cocci, 2.7–1.9×1.3–0.9 µm, strictly aerobic and non-motile. Colonies are smooth, bright, flat, circular, pink-coloured and 0.5–0.8 mm in diameter. Catalase and oxidase activities are positive. Flexirubin-type pigments are not produced. Can grow in TSB at 15–38 Ǫ C, optimum growth occurs from 25–30 Ǫ C. Growth occurs on R2A, TSA and NA agar, grows weakly on LA and MacConkey agar but not on MA. Strain THG-AG1.5 T can grow in TSB at pH 6.0–8.5 (optimum 6.5–7.5) and in the presence of additional 0–1.5 % (w/v) NaCl. Cells are able to hydrolyse Tween 80 and CMC but not L- tyrosine, casein, chitin, starch and DNA. Positive for alkaline phosphatase, esterase (C4), esterase lipase (C8), leucine arylamidase, valine arylamidase, cystine arylamidase, trypsin, a- chymotrypsin, acid phosphatase, naphthol-AS-BI-phosphohydrolase, b - galactosidase, a- glucosidase and b- glucosidase; weakly positive for lipase (C14); negative for a- galactosidase, b- glucuronidase, N -acetyl-b- glucosaminidase, a- mannosidase and a- fucosidase. Positive for reduction of nitrate to nitrites, assimilation of PNPG, arginine dihydrolase, D- glucose, L- arabinose, D- mannose, D- mannitol, maltose, and hydrolysis of urea, aesculin and gelatin; weakly positive for trisodium citrate; negative for indole production, glucose acidification, assimilation of N- acetyl-glucosamine, gluconate, caprate, adipate, malate and phenyl-acetate. Positive for utilization of salicin, melibiose, D- sorbitol, L- histidine, 2-ketogluconate, 3- hydroxy-butyrate, L- proline, sucrose, L- alanine and glycogen; weakly positive for valerate, D- ribose, itaconate, sodium malonate, sodium acetate and D,L- lactate; negative for L- fucose, propionate, 4-hydroxy-benzoate, L- rhamnose, inositol, suberate, 5-ketogluconate, 3-hydroxy-benzoate and L- serine. Weakly positive for assimilation of glycerol, D- fructose and trehalose; negative for erythritol, D- arabinose, D- xylose, L- xylose, D- adonitol, methyl b- D- xylopyranoside, D- galactose, L- sorbose, dulcitol, methyl a- D- mannopyranoside, methyl a- D- glucopyranoside, N -acetyl-D- glucosamine, amygdalin, arbutin, cellobiose, lactose, inulin, melezitose, raffinose, xylitol, gentiobiose, D- turanose, D- lyxose, D- tagatose, D- fucose, D- arabitol and L- arabitol. The predominant respiratory quinone is menaquinone-8 (MK-8); and iso-C 15: 0, C 15: 1 Ɯ 6 c, C 16: 0, iso-C 17: 0, C 17: 0, C 18: 0 and summed feature 3 (C 16: 1 Ɯ 7 c and/or C 16: 1 Ɯ 6 c) are the major components of the cellular fatty acids (Ȅ7 %). The major polar lipids are a phosphoglycolipid, six unidentified glycolipids and an unidentified aminophospholipid. The polyamine is spermidine. The novel strain exhibits tolerance to UV irradiation (>1500 J m ‒2) and to gamma radiation (>12 kGy). The G+C content of genomic DNA of strain THG-AG1.5 T is 74.8 mol%. The peptidoglycan amino acids are alanine, valine, glutamic acid, glycine, ornithine, lysine and aspartic acid. The whole-cell-wall sugars are ribose, mannose and glucose.

Strain THG-AG1.5 T (=KACC 18850 T =CCTCC AB 2016078 T) was isolated from a rhizosphere soil sample of Hibiscus syriacus L. (Mugunghwa flower), collected in Kyung Hee University , Yongin, Gyeonggi, Republic of Korea.

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