Genome of low-temperature T4-related bacteriophage vB_EcoM-VR7

Genome of low-temperature T4-related bacteriophage vB_EcoM-VR7 The complete genome sequence of the T4-related low-temperature Escherichia coli bacteriophage vB_EcoM-VR7 was determined. The genome sequence is 169,285 bp long, with a G+C content of 40.3%. Overall, 95% of the phage genome is coding. It encodes 293 putative protein-encoding open reading frames (ORFs) and tRNA Met . More than half (59%) of the genomic DNA lacks significant homology with the DNA of T4, but once translated, 72% of the vB_EcoM-VR7 genome (211 ORFs) encodes protein homologues of T4 genes. Overall, 46 vB_EcoM-VR7 ORFs have no homologues in T4 but are derived from other T4-related phages, nine ORFs show similarities to bacterial or non-T4-related phage genes, and 27 ORFs are unique to vB_EcoM-VR7. This phage lacks several T4 enzymes involved in host DNA degradation; however, there is extensive representation of the DNA replication, recombination and repair enzymes as well as the viral capsid and tail structural genes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Genome of low-temperature T4-related bacteriophage vB_EcoM-VR7

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Publisher
Springer Vienna
Copyright
Copyright © 2011 by Springer-Verlag
Subject
Biomedicine; Virology; Infectious Diseases; Medical Microbiology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-011-1084-y
Publisher site
See Article on Publisher Site

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