{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,28]],"date-time":"2025-10-28T05:51:01Z","timestamp":1761630661070},"reference-count":40,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2013,9,11]],"date-time":"2013-09-11T00:00:00Z","timestamp":1378857600000},"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 Medical Virology"],"published-print":{"date-parts":[[2014,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label \/><jats:p>Epstein\u2013Barr virus (EBV) has many strains; however, it remains unclear whether a causal relationship exists between different regions and viral genetic variants in healthy persons. This study was designed to examine the relationship between EBV strains in tonsils and adenoids and peripheral blood lymphocytes of the same individuals using different measurements of EBV strain polymorphism. This study examined whether EBV contains two or three copies of a tandem repeat sequence in the first intron of the BZLF\u20101 gene. The genotype of the virus from P3HR\u20101, designated Z*, yielded a 415\u2010bp product, and this was distinguished from the smaller, 386\u2010bp product obtained with the B95\u20108 virus, designated the Z genotype. Simultaneous sequence infections with Z and Z* genotypes were also detected in one of the tonsils examined, suggesting that more than one strain or variant of EBV genotype may be present in a specimen from the same subject. Co\u2010infection with Z and Z* was recognized in two subjects, so variation of the EBV gene may be seen in at least two different strains of EBV. It was seen that Z and Z* strain\u2010infected cells are constantly in flux through lymph nodes and\/or the blood stream in healthy persons; therefore, these results indicated that EBV genome variants probably show no specific tissue distribution. <jats:bold><jats:italic>J. Med. Virol. 86:301\u2013305, 2014<\/jats:italic>.<\/jats:bold> \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmv.23715","type":"journal-article","created":{"date-parts":[[2013,9,11]],"date-time":"2013-09-11T16:55:55Z","timestamp":1378918555000},"page":"301-305","source":"Crossref","is-referenced-by-count":3,"title":["Epstein\u2013barr virus diversity in immunocompetent healthy persons: Reassessment of the distribution of genetic variants"],"prefix":"10.1002","volume":"86","author":[{"given":"Tetsuya","family":"Ikeda","sequence":"first","affiliation":[{"name":"Department of Oto\u2010Rhino\u2010Laryngology, Oral Surgery Kyorin University School of Medicine Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryo","family":"Kobayashi","sequence":"additional","affiliation":[{"name":"Department of Microbiology Tokyo Medical University School of Medicine Tokyo 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