Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.virol.2004.05.005
Title: Characterization of ORF89 - A latency-related gene of white spot syndrome virus
Authors: Hossain, M.S.
Khadijah, S.
Kwang, J. 
Keywords: Latency
ORF89
WSSV
Issue Date: 2004
Source: Hossain, M.S., Khadijah, S., Kwang, J. (2004). Characterization of ORF89 - A latency-related gene of white spot syndrome virus. Virology 325 (1) : 106-115. ScholarBank@NUS Repository. https://doi.org/10.1016/j.virol.2004.05.005
Abstract: Open reading frame 89 (ORF89) is one of the three genes that are believed to be involved in the latent infection of white spot syndrome virus (WSSV). Here, we report the structure and functional characterization of ORF89. cDNA sequencing, 5′ RLM-RACE, and 3′ RLM-RACE showed that ORF89 gene is transcribed into an unspliced mRNA of 4436 nucleotides, which is predicted to encode a protein of 1437 amino acids. ORF89 expressed an approximately 165-kDa protein in Sf9 cells that localized in the nucleus. Amino acids 678-683 were found to be essential for nuclear localization. Cotransfection assays demonstrated that ORF89 protein repressed its own promoter as well as those of a protein kinase and the thymidine-thymidylate kinase genes of WSSV. SYBR Green real-time PCR indicated that the repression occurred at the transcriptional level. © 2004 Elsevier Inc. All rights reserved.
Source Title: Virology
URI: http://scholarbank.nus.edu.sg/handle/10635/31262
ISSN: 00426822
DOI: 10.1016/j.virol.2004.05.005
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