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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57941
Title: Comparative analysis of a Thai congenital-Zika-syndrome-associated virus with a Thai Zika-fever-associated virus
Authors: Anusara Jitsatja
Suwipa Ramphan
Ploenphit Promma
Atichat Kuadkitkan
Nitwara Wikan
Mongkol Uiprasertkul
Chayawat Phatihattakorn
Duncan R. Smith
Mahidol University
Faculty of Medicine, Siriraj Hospital, Mahidol University
Keywords: Immunology and Microbiology
Issue Date: 1-Aug-2020
Citation: Archives of Virology. Vol.165, No.8 (2020), 1791-1801
Abstract: © 2020, Springer-Verlag GmbH Austria, part of Springer Nature. In this study, we compared the characteristics of two strains of Zika virus (ZIKV) isolated in Thailand, one isolated from a febrile patient and one isolated from tissues of a fetus medically terminated due to congenital Zika syndrome (CZS). Replication profiles showed that the isolate from the fetal tissues replicated significantly more slowly than the fever-associated isolate in human lung A549 cells during the first 24 hours postinfection but showed a similar growth profile over longer-term infection. A much smaller difference was observed in Aedes albopictus C6/36 cells. In a quasispecies analysis, a high proportion (approximately 20%) of nonfunctional genomes was identified, caused by an adenine insertion in the prM gene. This insertion was found to be present in two Thai fever strains and as such may represent a common feature of Thai endemic ZIKV. Comparison between viral RNA copy number and viral titer showed that the isolate from fetal tissues was produced more efficiently than the fever-associated isolate. Together, these results suggest that different ZIKV isolates differ in their replication capacity, and this might contribute to the fetotropic potential of a particular strain.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/57941
metadata.dc.identifier.url: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85085901487&origin=inward
ISSN: 14328798
03048608
Appears in Collections:Scopus 2020

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