| RRC ID |
1108
|
| 著者 |
Güner ES, Watanabe M, Hashimoto N, Kadosaka T, Kawamura Y, Ezaki T, Kawabata H, Imai Y, Kaneda K, Masuzawa T.
|
| タイトル |
Borrelia turcica sp. nov., isolated from the hard tick Hyalomma aegyptium in Turkey.
|
| ジャーナル |
Int J Syst Evol Microbiol
|
| Abstract |
Previously, a novel, fast-growing spirochaete was isolated from the hard tick Hyalomma aegyptium, which infests tortoises (Testudo graeca), by using Barbour-Stoenner-Kelly (BSK) II medium; the tick samples were taken from the Istanbul area in northwestern Turkey [Güner et al. (2003). Microbiology 149, 2539-2544]. Here is presented a detailed characterization of the spirochaete. Electron microscopy revealed that strain IST7T is morphologically similar to other spirochaetes of the genus Borrelia and possesses 15 to 16 flagellae that emerge from both polar regions. PFGE analysis revealed the genome to comprise a linear chromosome of approximately 1 Mb; two large linear plasmids of approximately 145 and 140 kb, and several small plasmids ranging from 50 to 20 kb in size were also found. The 16S rRNA gene sequence of this Borrelia isolate exhibited 99.4 to 99.8 % identity with other strains isolated from H. aegyptium and less than 99 % similarity with those of other Borrelia species. A phylogenetic tree, generated from 16S rRNA gene sequences, demonstrated that the spirochaete isolates from H. aegyptium clustered together and branched off from both Lyme-disease-related and relapsing-fever-associated Borrelia species. A single copy of the rrs gene was detected in the genome of strain IST7T by Southern hybridization. DNA-DNA hybridization results showed that strain IST7T was distinct from Lyme-disease-related Borrelia, Borrelia burgdorferi and the relapsing-fever-associated species Borrelia hermsii. The G+C content of strain IST7T is 30.0 mol%. From these genetic features, a novel Borrelia species, Borrelia turcica sp. nov., is proposed; the type strain is IST7T (= JCM 11958T = DSM 16138T).
|
| 巻・号 |
54(Pt 5)
|
| ページ |
1649-1652
|
| 公開日 |
2004-9-1
|
| DOI |
10.1099/ijs.0.03050-0
|
| PMID |
15388724
|
| MeSH |
Animals
Base Composition
Blotting, Southwestern
Borrelia / classification*
Borrelia / genetics
Borrelia / isolation & purification*
Borrelia / ultrastructure
DNA Fingerprinting
DNA, Bacterial / analysis
DNA, Bacterial / chemistry
DNA, Bacterial / isolation & purification
DNA, Ribosomal / chemistry
DNA, Ribosomal / isolation & purification
Electrophoresis, Gel, Pulsed-Field
Flagella
Genes, rRNA
Ixodidae / microbiology*
Microscopy, Electron
Molecular Sequence Data
Nucleic Acid Hybridization
Phylogeny
Plasmids / analysis
RNA, Bacterial / genetics
RNA, Ribosomal, 16S / genetics
Sequence Analysis, DNA
Tick Infestations / veterinary
Turkey
Turtles / parasitology
|
| IF |
2.415
|
| 引用数 |
43
|
|
WOS 分野
|
MICROBIOLOGY
|
| リソース情報 |
| 病原微生物 |
JCM 11958 |
