{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,5]],"date-time":"2023-10-05T05:40:45Z","timestamp":1696484445801},"reference-count":37,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2015,11,13]],"date-time":"2015-11-13T00:00:00Z","timestamp":1447372800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"Natural Science Foundation of China","doi-asserted-by":"publisher","award":["30830090","81330038"],"award-info":[{"award-number":["30830090","81330038"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2016,6]]},"abstract":"<jats:sec><jats:label \/><jats:p>Evolution patterns of HBV QS between genotype B and C during vertical transmission are not well understood. In this study, we enrolled 10 HBV infected mother\u2010infant pairs (four pairs with genotype B, four pairs with genotype C, and two with co\u2010infection) without anti\u2010viral therapy. Serum HBV DNA of mothers and infants were sequenced, HBV QS complexity and diversity were analyzed, polymorphisms and mutation sites were recorded, and phylogenetic trees were performed. Our result showed that the QS complexities in P (amino acid), C\/PreC (amino acid), and PreS1 (nucleotide) gene were significantly higher in mothers than in infants in pairs with genotype C (<jats:italic>P\u2009<\/jats:italic>&lt;\u20090.05), however, full\u2010length and other genes showed non\u2010significant differences (<jats:italic>P\u2009<\/jats:italic>&gt;\u20090.05). Unlike genotype C, QS complexity of P gene (nucleotide) was significantly higher in infants than in mothers (<jats:italic>P\u2009<\/jats:italic>&lt;\u20090.05) in pairs with genotype B, similarly, QS complexities of full\u2010length and other genes (except Pre S2) were also higher in infants than in mothers but without significant differences (<jats:italic>P\u2009<\/jats:italic>&gt;\u20090.05). QS diversities of full\u2010length and most genes in genotype B were comparable between mothers and their infants (<jats:italic>P\u2009<\/jats:italic>&gt;\u20090.05), in pairs with genotype C, dS of P, X, RT genes, genetic distance of Pre S1 gene (amino acid) and dN of Pre S1 gene were significant higher in mothers than in infants (<jats:italic>P\u2009<\/jats:italic>&lt;\u20090.05). Several HBV mutations correlated with immune escape, e antigen loss and drug resistance were observed in infants. The results indicated that differences of HBV QS evolution patterns between genotype B and C during vertical transmission might contribute to distinct prognosis. <jats:bold><jats:italic>J. Med. Virol. 88:1018\u20131026, 2016<\/jats:italic><\/jats:bold>. \u00a9 2015 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmv.24424","type":"journal-article","created":{"date-parts":[[2015,11,4]],"date-time":"2015-11-04T13:22:45Z","timestamp":1446643365000},"page":"1018-1026","source":"Crossref","is-referenced-by-count":5,"title":["Evolution and mutations of hepatitis B virus quasispecies in genotype B and C during vertical transmission"],"prefix":"10.1002","volume":"88","author":[{"given":"Quanxin","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Infectious Diseases Southwest Hospital Third Military Medical University Chongqing China"},{"name":"The Chongqing Key Laboratory for Research of Infectious Diseases Chongqing China"},{"name":"Cadre Ward Two Wuhan General Hospital of Guangzhou Military Command Wuhan 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