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Species code:	PORG3
Taxonomy:	Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae; Porphyromonas (TaxID: 431947) [NEWT/ NCBI]
Description:	Porphyromonas gingivalis is a Gram-negative anaerobe. It is a secondary colonizer of the oral cavity and has a role in the initiation and progression of periodontal disease, which is the major cause of tooth loss in industrial nations. It is a chronic inflammatory disease of the periodontium that leads to erosion of the attachment apparatus and supporting bone for teeth and is one of the most frequently occurring infectious diseases in humans. Recently, a number of epidemiological studies have shown significant relationships between periodontal diseases and cardiovascular diseases. P.gingivalis, which is often found in deep periodontal pockets of humans, is asaccharolytic and highly proteolytic and produces a broad array of potential virulence factors involved in tissue colonization and destruction as well as host defense perturbation. P. gingivalis strains are divided into virulent and less-virulent strains; ATCC 33277, the type strain, is a less-virulent strain unlike W83, the only other currently sequenced member of the species (PORGI). It produces only a localized abscess 3 days after subcutaneous inoculation (adapted from PubMed 18524787).
Properties:	Presence of flagella: not known Human pathogen: Yes Interaction: Animal pathogen in Mammalia Number of membranes: 2 Number of inteins:0
Statistics:	Number of PORG3 entries in the UniProt Knowledgebase: 2022 (201 in UniProtKB/Swiss-Prot + 1821 in UniProtKB/TrEMBL)

Genome structure:	Chromosome EMBL accession number AP009380 (circular; 2,354,886 bp) (download entry)
Reference(s):	[1] PubMed=18524787; [ NCBI , EBI , Israel , Japan ] Naito M., Hirakawa H., Yamashita A., Ohara N., Shoji M., Yukitake H., Nakayama K., Toh H., Yoshimura F., Kuhara S., Hattori M., Hayashi T., Nakayama K. ; "Determination of the genome sequence of Porphyromonas gingivalis strain ATCC 33277 and genomic comparison with strain W83 revealed extensive genome rearrangements in P. gingivalis."; DNA Res. 15:215-225(2008).
Web links:	Official genome site(s): http://www.cb.k.u-tokyo.ac.jp/hattorilab/en/projects?s=porphyromonas Other web sites: Entrez Genome Project: http://www.ncbi.nlm.nih.gov/sites/entrez?Db=genomeprj&cmd=ShowDetailView&TermToSearch=19051 GIB (DDBJ): http://gib.genes.nig.ac.jp/single/index.php?spid=Pgin_ATCC33277  EBI Proteome Analysis page

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