Abstract
The complete genome sequence of an alloherpesvirus isolated from blue catfish (Ictalurus furcatus) is reported. Genomic analyses revealed that this virus is a distinct strain of ictalurid herpesvirus 1, the first strain of which was isolated previously from a channel catfish (Ictalurus punctatus).
Highlights
The complete genome sequence of an alloherpesvirus isolated from blue catfish (Ictalurus furcatus) is reported
An analysis of genetic distances among blue catfish alloherpesvirus (BCAHV) and 11 members or potential members of family Alloherpesviridae performed using SDT v1.2 (7), with the MAFFT alignment option implemented, confirmed that BCAHV is most closely related to Ictalurid herpesvirus 1 (IcHV1) (Fig. 1). These results indicate that BCAHV may be a novel IcHV1 strain and further expand the known host range of IcHV1
The partial nucleotide sequence of the gene encoding the DNA polymerase catalytic subunit showed the highest identity (98%, 428/438) to IcHV1 (2)
Summary
The complete genome sequence of an alloherpesvirus isolated from blue catfish (Ictalurus furcatus) is reported. The linear BCAHV genome (134,493 bp) consists of a unique region (97,333 bp) flanked by terminal direct repeats (18,580 bp). A total of 91 protein-coding open reading frames (ORFs) were predicted, with 63 in the unique region and 14 in each terminal repeat.
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