{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T16:32:35Z","timestamp":1769877155427,"version":"3.49.0"},"reference-count":0,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2003,9,1]],"date-time":"2003-09-01T00:00:00Z","timestamp":1062374400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2003,9]]},"abstract":"<jats:p><jats:bold>Background:<\/jats:bold><jats:italic>Porphyromonas gingivalis<\/jats:italic> is one of the major microbial pathogens associated with chronic periodontitis. To eradicate such pathogens by periodontal therapy, it is essential to clarify the source of infection. Recent findings suggest that the genotype of the fimbriae is one of the important factors in infection by <jats:italic>P. gingivalis<\/jats:italic>. The objectives of the present study were to investigate the transmission of <jats:italic>P. gingivalis<\/jats:italic> between spouses and to determine the relationship between <jats:italic>P. gingivalis<\/jats:italic><jats:italic>fimA<\/jats:italic> type and colonization.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> A total of 14 couples were selected to investigate the transmission of <jats:italic>P. gingivalis<\/jats:italic> and its association with the <jats:italic>fimA<\/jats:italic> types. To examine the distribution of <jats:italic>fimA<\/jats:italic> type in the general population, 32 subgingival plaque samples from 47 patients with periodontitis were also tested. The transmission of <jats:italic>P. gingivalis<\/jats:italic> strains was determined by using pulsed field gel electrophoresis (PFGE). <jats:italic>P. gingivalis<\/jats:italic> strains isolated from the couples and subgingival dental plaque samples were studied for <jats:italic>fimA<\/jats:italic> classification.<\/jats:p><jats:p><jats:bold>Methods:<\/jats:bold> A total of 14 couples were selected to investigate the transmission of <jats:italic>P. gingivalis<\/jats:italic> and its association with the <jats:italic>fimA<\/jats:italic> types. To examine the distribution of <jats:italic>fimA<\/jats:italic> type in the general population, 32 subgingival plaque samples from 47 patients with periodontitis were also tested. The transmission of <jats:italic>P. gingivalis<\/jats:italic> strains was determined by using pulsed field gel electrophoresis (PFGE). <jats:italic>P. gingivalis<\/jats:italic> strains isolated from the couples and subgingival dental plaque samples were studied for <jats:italic>fimA<\/jats:italic> classification.<\/jats:p><jats:p><jats:bold>Conclusion:<\/jats:bold> This study suggests that <jats:italic>fimA<\/jats:italic> type II, even though widely distributed in patients with periodontitis, may be an important factor in the transmission of <jats:italic>P. gingivalis<\/jats:italic> between spouses. <jats:italic>J Periodontol 2003;74:1355\u20101360<\/jats:italic>.<\/jats:p>","DOI":"10.1902\/jop.2003.74.9.1355","type":"journal-article","created":{"date-parts":[[2005,2,2]],"date-time":"2005-02-02T07:51:44Z","timestamp":1107330704000},"page":"1355-1360","source":"Crossref","is-referenced-by-count":22,"title":["Relationship Between Transmission of <i>Porphyromonas gingivalis<\/i> and <i>fimA<\/i> Type in Spouses"],"prefix":"10.1002","volume":"74","author":[{"given":"Hiroyuki","family":"Asano","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuyuki","family":"Ishihara","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Taneaki","family":"Nakagawa","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoru","family":"Yamada","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuji","family":"Okuda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2003,9]]},"container-title":["Journal of Periodontology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/pdf\/10.1902\/jop.2003.74.9.1355","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,19]],"date-time":"2025-10-19T12:15:10Z","timestamp":1760876110000},"score":1,"resource":{"primary":{"URL":"https:\/\/aap.onlinelibrary.wiley.com\/doi\/10.1902\/jop.2003.74.9.1355"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2003,9]]},"references-count":0,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2003,9]]}},"alternative-id":["10.1902\/jop.2003.74.9.1355"],"URL":"https:\/\/doi.org\/10.1902\/jop.2003.74.9.1355","archive":["Portico"],"relation":{},"ISSN":["0022-3492","1943-3670"],"issn-type":[{"value":"0022-3492","type":"print"},{"value":"1943-3670","type":"electronic"}],"subject":[],"published":{"date-parts":[[2003,9]]}}}