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| Content Provider | PubMed Central |
|---|---|
| Author | Naito, Mariko Hirakawa, Hideki Yamashita, Atsushi Ohara, Naoya Shoji, Mikio Yukitake, Hideharu Nakayama, Keisuke Toh, Hidehiro Yoshimura, Fuminobu Kuhara, Satoru Hattori, Masahira Hayashi, Tetsuya Nakayama, Koji |
| Copyright Year | 2008 |
| Abstract | The gram-negative anaerobic bacterium Porphyromonas gingivalis is a major causative agent of chronic periodontitis. Porphyromonas gingivalis strains have been classified into virulent and less-virulent strains by mouse subcutaneous soft tissue abscess model analysis. Here, we present the whole genome sequence of P. gingivalis ATCC 33277, which is classified as a less-virulent strain. We identified 2090 protein-coding sequences (CDSs), 4 RNA operons, and 53 tRNA genes in the ATCC 33277 genome. By genomic comparison with the virulent strain W83, we identified 461 ATCC 33277-specific and 415 W83-specific CDSs. Extensive genomic rearrangements were observed between the two strains: 175 regions in which genomic rearrangements have occurred were identified. Thirty-five of those genomic rearrangements were inversion or translocation and 140 were simple insertion, deletion, or replacement. Both strains contained large numbers of mobile elements, such as insertion sequences, miniature inverted-repeat transposable elements (MITEs), and conjugative transposons, which are frequently associated with genomic rearrangements. These findings indicate that the mobile genetic elements have been deeply involved in the extensive genome rearrangement of P. gingivalis and the occurrence of many of the strain-specific CDSs. We also describe here a very unique feature of MITE400, which we renamed MITEPgRS (MITE of P. gingivalis with Repeating Sequences). |
| Related Links | http://dx.doi.org/10.1093/dnares/dsn013 |
| Ending Page | 225 |
| Page Count | 11 |
| Starting Page | 215 |
| File Format | |
| ISSN | 13402838 |
| e-ISSN | 18756190 |
| Journal | DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes |
| Issue Number | 4 |
| Volume Number | 15 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2008-05-01 |
| Access Restriction | Open |
| Rights Holder | Oxford University Press |
| Subject Keyword | Medicine(all) Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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