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Nocardioides jishulii sp. nov.,isolated from faeces of Tibetan gazelle ( Procapra picticaudata )
Ist Teil von
International journal of systematic and evolutionary microbiology, 2020-06, Vol.70 (6), p.3665-3672
Ort / Verlag
England
Erscheinungsjahr
2020
Link zum Volltext
Quelle
EZB Free E-Journals
Beschreibungen/Notizen
Two novel Gram-stain-positive, irregular rod-shaped bacterial strains, dk3136
and dk3543, were isolated from the faeces of Tibetan gazelle (
) in the Qinghai-Tibet Plateau of PR China. The cells were aerobic, oxidase-negative and catalase-positive. Colonies were yellowish, circular without any observable aerial mycelium after culturing at 28 ℃ for 3 days on brain-heart infusion (BHI) agar with 5 % sheep blood. The cells grew optimally at 28 °C, pH 7.5 and with 1 % (w/v) NaCl on BHI agar supplemented with 5 % sheep blood. Phylogenetic analysis of the 16S rRNA gene sequences revealed that their nearest phylogenetic relative was
Ka25
(97.9 % similarity). The results of 16S rRNA gene sequence and phylogenetic/phylogenomic analyses illustrated that
Ka25
,
XZ17
,
78
and
D287
were their nearest phylogenetic neighbours. The DNA G+C contents of strains dk3136
and dk3543 were 70.3 mol% and 70.4 mol%, respectively. Their genomes exhibit lower than threshold (95-96 %) average nucleotide identity to known species of the genus
. ll-2,6-diaminopimelic acid was the diagnostic diamino acid and MK-8(H
) was the predominant respiratory quinone. The major polar lipids were diphosphatidylglycerol and phosphatidylglycerol. The two strains had C
9
,
-C
and C
8
as the major fatty acids, and rhamnose and galactose as the main whole-cell sugars. On the basis of the results of our genotypic, phenotypic and biochemical analyses, we conclude that strains dk3136
and dk3543 represent a novel species in genus
, for which the name
sp. nov. is proposed. The type strain is dk3136
(=CGMCC 4.7570
=JCM 33496
=KCTC 49314
).
Sprache
Englisch
Identifikatoren
ISSN: 1466-5026
eISSN: 1466-5034
DOI: 10.1099/ijsem.0.004218
Titel-ID: cdi_proquest_miscellaneous_2404381092
Format
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