Abstract:
:A novel actinomycete strain, CT2-14T, belonging to the genus Nocardia, was isolated from a soil sample collected from Phichit Province, Thailand. The taxonomic position of the strain was characterized using a polyphasic approach. The strain grew at 15-40 °C (optimum, 28-37 °C), pH 6-11 (optimum, pH 6-8) and on an International Streptomyces Project 2 with 4 % (w/v) NaCl agar plate. Meso-diaminopimelic acid was detected in the cell-wall peptidoglycan. Ribose, arabinose and galactose were detected in its whole-cell hydrolysates. Mycolic acids were present. The strain contained C16 : 0, summed feature 3, C17 : 0 10-methyl and C18 : 1ω9c as the major fatty acids and MK-8(H4ω-cycl) as the major menaquinone. The major polar lipids were phosphatidylethanolamine, diphosphatidylglycerol and phosphatidylinositol mannosides. Strain CT2-14T showed the highest 16S rRNA gene similarity to Nocardia veterana JCM 11307T (98.4 %), Nocardia africana JCM 11438T (98.2 %) and Nocardia kruczakiae JCM 13032T (98.0 %). The draft genome of strain CT2-14T was 7.37 Mb with 6685 coding sequences with an average G+C content of 67.9 mol %. Based on the phylogenomic tree analysis, the strain was closely related to Nocardia niigatensis NBRC 100131T. On the basis of polyphasic and genome analyses, strain CT2-14T represented a novel species of the genus Nocardia for which the name Nocardia aurantiaca sp. nov. is proposed. The type strain is CT2-14T (=JCM 33775T=TISTR 2838T).
journal_name
Int J Syst Evol Microbiolauthors
Kanchanasin P,Yuki M,Kudo T,Ohkuma M,Phongsopitanun W,Tanasupawat Sdoi
10.1099/ijsem.0.004432subject
Has Abstractpub_date
2020-10-01 00:00:00pages
5432-5438issue
10eissn
1466-5026issn
1466-5034journal_volume
70pub_type
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