Arid
DOI10.1007/s10482-011-9573-2
Pontibacter rhizosphera sp nov., isolated from rhizosphere soil of an Indian medicinal plant Nerium indicum
Raichand, Revti; Kaur, Ishwinder; Singh, Nitin Kumar; Mayilraj, Shanmugam
通讯作者Mayilraj, Shanmugam
来源期刊ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
ISSN0003-6072
出版年2011
卷号100期号:1页码:129-135
英文摘要

A gram-negative, motile, straight to curved rod shaped, pink pigmented bacterium was isolated from a soil sample collected from the rhizosphere of an Indian medicinal plant, Nerium indicum (Chuvanna arali) and subjected to a detailed polyphasic taxonomic study. The strain, designated as IMTB-1969(T), matched with most of the phenotypic and chemotaxonomic properties of the genus Pontibacter and represents a novel species. The major fatty acids of the strain were monounsaturated iso/anteiso branched C17 fatty acids (45.1%) and iso-C15:0 (16.5%). MK-7 was the predominant isoprenoid quinone. According to 16S rRNA gene sequence analysis, strain IMTB-1969(T) was indicated to belonged to the phylum Bacteroidetes and further phylogenetic analysis revealed that the strain IMTB-1969(T) belongs to the family Cytophagaceae and genus Pontibacter. The highest 16S rRNA gene sequence similarity was with Pontibacter korlensis CCTCC AB 206081(T) (97.2%) and lower sequence similarity was observed with other species in the genus Pontibacter (95.9-94.0%). DNA-DNA relatedness study of the strain IMTB-1969(T) confirmed that it represents a novel species. The G+C content of the genomic DNA was 52.2 (+/- 0.5) mol%. The results of physiological and biochemical tests allowed the genotypic and phenotypic distinction of strain IMTB-1969(T) from its closest phylogenetic relatives. The strain IMTB-1969(T) should be classified as novel species of the genus Pontibacter, for which the name Pontibacter rhizosphera sp. nov. is proposed. The type strain is IMTB-1969(T) (=MTCC 10673(T) = DSM 24399(T)).


英文关键词Fatty acid methyl ester analysis DNA-DNA hybridization Polyphasic taxonomy
类型Article
语种英语
国家India
收录类别SCI-E
WOS记录号WOS:000291482400011
WOS关键词GEN.-NOV. ; IDENTIFICATION ; CHINA ; PROPOSAL ; DESERT ; MEMBER
WOS类目Microbiology
WOS研究方向Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/167071
作者单位Govt India, MTCC Microbial Type Culture Collect & Gene Bank, Inst Microbial Technol, Constituent Lab Council Sci & Ind Res CSIR, Chandigarh 160036, India
推荐引用方式
GB/T 7714
Raichand, Revti,Kaur, Ishwinder,Singh, Nitin Kumar,et al. Pontibacter rhizosphera sp nov., isolated from rhizosphere soil of an Indian medicinal plant Nerium indicum[J],2011,100(1):129-135.
APA Raichand, Revti,Kaur, Ishwinder,Singh, Nitin Kumar,&Mayilraj, Shanmugam.(2011).Pontibacter rhizosphera sp nov., isolated from rhizosphere soil of an Indian medicinal plant Nerium indicum.ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY,100(1),129-135.
MLA Raichand, Revti,et al."Pontibacter rhizosphera sp nov., isolated from rhizosphere soil of an Indian medicinal plant Nerium indicum".ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY 100.1(2011):129-135.
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