NDLI: Direct evidence of host genome acquisition by the alphaherpesvirus Marek’s disease virus

Content Provider	Springer Nature Link
Author	Niikura, M. Dodgson, J. Cheng, H.
Copyright Year	2005
Abstract	Many herpesviruses including Marek’s disease virus (MDV), a poultry alphaherpesvirus, carry homologous host genes presumably acquired during viral evolution. We have characterized one recent acquisition by MDV in considerable detail. The virulent MDV strain Md11 previously was isolated from a commercial chicken and initially propagated on duck cells. In the process of cloning the entire Md11 genome in a bacterial artificial chromosome (BAC), we obtained an infectious clone in which the entire terminal repeat short segment was replaced with a portion of the duck genome that corresponds to chicken chromosome 19. This sequence is not predicted to express any protein even though it contains one exon of the VAMP1 gene. The replacement did not affect MDV replication in vitro, despite the virus having only one copy of ICP4. Furthermore, we have shown that the variant MDV genome containing the duck genome substitution is present in the parental Md11 population and has been maintained through several subsequent propagations of the virus on chicken cells. This finding provides direct evidence that host genome acquisition by MDV actually occurs during virus replication, and that one or more such MDV genomes with host sequences may exist within MDV viral stocks which tend to be polyclonal, due to the cell-associated nature of its infection process.
Starting Page	537
Ending Page	549
Page Count	13
File Format	PDF
ISSN	03048608
Journal	Archives of Virology
Volume Number	151
Issue Number	3
e-ISSN	14328798
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-09-09
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Medical Microbiology Infectious Diseases Virology
Content Type	Text
Resource Type	Article
Subject	Virology Medicine

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