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  • Title: The DNA sequence of Chilo iridescent virus between the genome coordinates 0.101 and 0.391; similarities in coding strategy between insect and vertebrate iridoviruses.
    Author: Bahr U, Tidona CA, Darai G.
    Journal: Virus Genes; 1997; 15(3):235-45. PubMed ID: 9482589.
    Abstract:
    Chilo iridescent virus (CIV), the type species of the genus Iridovirus within the family Iridoviridae, is highly pathogenic for larvae of important pest insects. The virions contain a single linear double-stranded DNA molecule (209 kbp) that is circularly permuted and terminally redundant. The nucleotide sequence of the viral genome between the genome coordinates 0.101 and 0.391 (60,170 bp) was determined by automated cycle sequencing. This particular region of the CIV genome contains 112 open reading frames (ORFs) with coding capacities for 50 to 1186 amino acids. The alignment of the deduced amino acid sequences with well-characterized proteins stored in protein databases led to the identification of several genes with significant homologies, such as the largest subunit of the DNA-dependent RNA polymerase, large subunit of the ribonucleoside-diphosphate reductase, endonuclease, protein-tyrosine phosphatase, helicase, global transactivator, two apoptosis inhibitor homologs, antibiotic peptide homolog, and others. The highest homologies were detected between putative viral gene products of CIV and the corresponding viral proteins of lymphocystis disease virus of fish (LCDV), which belongs to the genus Lymphocystivirus within the iridovirus family.
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