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Arch Virol. 2012 Oct;157(10):2035-46. Epub 2012 Jun 17.

A suggested new bacteriophage genus: "Viunalikevirus".

Author information

1
Laboratory of Gene Technology, Katholieke Universiteit Leuven, Kasteelpark Arenberg 21, Heverlee, Belgium.

Abstract

We suggest a bacteriophage genus, "Viunalikevirus", as a new genus within the family Myoviridae. To date, this genus includes seven sequenced members: Salmonella phages ViI, SFP10 and ΦSH19; Escherichia phages CBA120 and PhaxI; Shigella phage phiSboM-AG3; and Dickeya phage LIMEstone1. Their shared myovirus morphology, with comparable head sizes and tail dimensions, and genome organization are considered distinguishing features. They appear to have conserved regulatory sequences, a horizontally acquired tRNA set and the probable substitution of an alternate base for thymine in the DNA. A close examination of the tail spike region in the DNA revealed four distinct tail spike proteins, an arrangement which might lead to the umbrella-like structures of the tails visible on electron micrographs. These properties set the suggested genus apart from the recently ratified subfamily Tevenvirinae, although a significant evolutionary relationship can be observed.

PMID:
22707043
PMCID:
PMC4174289
DOI:
10.1007/s00705-012-1360-5
[Indexed for MEDLINE]
Free PMC Article

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