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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Park, Hong Kyo Han, Ji-Hye Kim, Tae-Su Joung, Yochan Cho, Sung-Heun Kwon, Soon-Wo Kim, Seung Bum |
| Description | Author Affiliation: Park HK ( Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, 99 Daehak-ro, Yuseong, Daejeon, 305-764, Republic of Korea.) |
| Abstract | A proteobacterial strain designated R1-3(T) was isolated from indoor air of a pharmaceutical environment. Cells were Gram-stain-negative, oxidase- and catalase-positive, aerobic, motile and rod-shaped. Strain R1-3(T) grew optimally at pH 7, 30 °C and in 0-2 % NaCl on R2A agar. The 16S rRNA gene sequence analysis indicated that strain R1-3(T) belongs to the genus Sphingomonas, and is closely related to Sphingomonas paucimobilis ATCC 29837(T) (98.4 % sequence similarity). However, the DNA-DNA relatedness between the two strains was 43 ± 5 % (reciprocal = 37 ± 3 %), which was well below the suggested level for species distinction. Sphingomonas yabuuchiae GTC868(T) (97.7 % 16S rRNA gene sequence similarity) and Sphingomonas pseudosanguinis G1-2(T) (97.6 %) were also found as distantly related taxa. Strain R1-3(T) was sensitive to most of the tested antibiotics except for erythromycin and streptomycin. The major fatty acid was a summed feature consisting of C18:1 ω7c and/or C18:1 ω6c, and minor proportions of C14:0 2-OH, C16:0 and a summed feature consisting of C16:1 ω7c and/or C16:1 ω6c were also present. The DNA G + C content was 67.2 ± 1.0 mol%. The major polyamines were sym-homospermidine and spermidine. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, diphosphatidylglycerol, and minor amounts of a sphingoglycolipid, a phospholipid, an aminoglycolipid and an unidentified lipid were also present. The phenotypic, phylogenetic and chemotaxonomic data not only supported the affiliation of strain R1-3(T) to the genus Sphingomonas, but also distinguished R1-3(T) from related species. On the basis of physiological, chemotaxonomic and phylogenetic evidences, strain R1-3(T) clearly merits recognition as a novel species of Sphingomonas, for which the name Sphingomonas aeria sp. nov. is proposed. The type strain is R1-3(T) (= KCTC 42061(T) = JCM 19859(T)). |
| File Format | HTM / HTML |
| ISSN | 00036072 |
| Issue Number | 1 |
| Volume Number | 107 |
| e-ISSN | 15729699 |
| Journal | Antonie van Leeuwenhoek |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2015-01-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Microbiology Discipline Immunology Air Microbiology Sphingomonas Classification Isolation & Purification Aerobiosis Anti-bacterial Agents Pharmacology Bacterial Typing Techniques Base Composition Cluster Analysis Cytosol Chemistry Dna, Bacterial Genetics Dna, Ribosomal Drug Industry Fatty Acids Analysis Locomotion Microbial Sensitivity Tests Molecular Sequence Data Nucleic Acid Hybridization Phospholipids Phylogeny Rna, Ribosomal, 16s Sequence Analysis, Dna Sodium Chloride Metabolism Spermidine Physiology Temperature Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Microbiology |
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