NDLI: Sphaerisporangium dianthi sp. nov., an endophytic actinomycete isolated from a root of Dianthus chinensis L

Content Provider	Springer Nature Link
Author	Xing, Jia Liu, Chongxi Zhang, Yuejing He, Hairong Zhou, Ying Li, Lianjie Zhao, Junwei Liu, Shuanghe Wang, Xiangjing Xiang, Wensheng
Copyright Year	2014
Abstract	A novel actinomycete, designated strain NEAU-CY18T, was isolated from the root of a Chinese medicinal plant Dianthus chinensis L and subjected to a polyphasic taxonomic study. The novel strain was found to develop spherical sporangia with non-motile spores on aerial mycelium. The cell-wall peptidoglycan was found to contain meso-diaminopimelic acid. The whole-cell sugars were identified as madurose, mannose, ribose, galactose and glucose. The phospholipid profile was found to contain diphosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylethanolamine, hydroxy-phosphatidylmethylethanolamine, phosphatidylglycerol, phosphatidylinositol, phosphatidylinositol mannosides and an unidentified phospholipid. The predominant menaquinones were identified as MK-9(H4), MK-9(H2) and MK-9(H6). The major fatty acids were identified as C17:0 10-methyl, iso-C16:0 and C16:0. EzTaxon-e analysis of the 16S rRNA gene sequence indicated that the strain belongs to the genus Sphaerisporangium and was most closely related to Sphaerisporangium cinnabarinum JCM 3291T (98.9 %) and Sphaerisporangium melleum JCM 13064T (98.3 %). Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain NEAU-CY18T forms a monophyletic clade with S. cinnabarinum JCM 3291T, an association that was supported by a bootstrap value of 97 % in the neighbour-joining tree and also recovered with the maximum-likelihood algorithm. Comparisons of some phenotypic properties and low DNA–DNA relatedness values enabled the strain to be differentiated from S. cinnabarinum JCM 3291T and S. melleum JCM 13064T. Therefore, it is concluded that strain NEAU-CY18T represents a novel Sphaerisporangium species, for which the name Sphaerisporangium dianthi sp. nov. is proposed. The type strain is NEAU-CY18T ( = CGMCC 4.7132T = DSM 46736T).
Starting Page	9
Ending Page	14
Page Count	6
File Format	PDF
ISSN	00036072
Journal	Antonie van Leeuwenhoek
Volume Number	107
Issue Number	1
e-ISSN	15729699
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-10-08
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sphaerisporangium dianthi sp. nov. Polyphasic taxonomy 16S rRNA gene Microbiology Medical Microbiology Plant Sciences Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Microbiology

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