Abstract:
:A Gram-stain-negative, rod-shaped, mesophilic, milky white-pigmented, aerobic, non-spore-forming and non-flagellated bacterium, designated strain X16T, was isolated from urban soil of Zibo, Shandong, China. According to 16S rRNA gene sequence analysis, the isolate showed highest similarities with Paraflavitalea soli 5GH32-13T (97.6 %), Pseudoflavitalea soli KIS20-3T (96.2 %), Pseudobacter ginsenosidimutans Gsoil 221T (96.0 %) and Pseudoflavitalea rhizosphaerae T16R-265T (95.8 %). The neighbour-joining tree based on 16S rRNA gene sequences showed that strain X16T formed a subcluster with Paraflavitalea soli 5GH32-13T, and the subcluster was closely related to Pseudoflavitalea soli KIS20-3T, Pseudobacter ginsenosidimutans Gsoil 221T and Pseudoflavitalea rhizosphaerae T16R-265T. Strain X16T also formed a subcluster with Paraflavitalea soli 5GH32-13T in phylogenetic tree based on genomic sequences. The polar lipids are phosphatidylethanolamine, two unknown aminolipids, two unknown aminophospholipids, two unknown lipids and two unknown phospholipids. The major quinone of strain X16T is menaquinone-7 and the main fatty acids (>10 % of total fatty acids) of strain X16T are iso-C15 : 0, iso-C17 : 0 3-OH and iso-C15 : 1 G. The genome length of strain X16T is 8.7 Mb with a DNA G+C content of 47.4 %. ANI values among strain X16T and strain Paraflavitalea soli 5GH32-13T, Pseudobacter ginsenosidimutans Gsoil 221T, and Pseudoflavitalea rhizosphaerae T16R-265T are 78.1, 70.7, 70.6 %, respectively. On the basis of the results of the polyphasic characterization presented in this study, it is concluded that strain X16T represents a novel species. Besides, strain X16T can detoxify high toxicity selenite [Se(IV)] to low toxicity elemental selenium [Se(0)], for which the name Paraflavitale devenefica sp. nov. is proposed. The type strain is X16T (=KACC 21698T=GDMCC1.1757T).
journal_name
Int J Syst Evol Microbiolauthors
Hou X,Liu H,Shang Y,Mao S,Li S,Sang F,Deng H,Wang L,Kong L,Zhang C,Ding Z,Gao Y,Wei S,Chen Zdoi
10.1099/ijsem.0.004587subject
Has Abstractpub_date
2021-01-01 00:00:00issue
1eissn
1466-5026issn
1466-5034journal_volume
71pub_type
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