Complete Genomic Sequence of Bacteriophage Felix O1†
نویسندگان
چکیده
Bacteriophage O1 is a Myoviridae A1 group member used historically for identifying Salmonella. Sequencing revealed a single, linear, 86,155-base-pair genome with 39% average G+C content, 131 open reading frames, and 22 tRNAs. Closest protein homologs occur in Erwinia amylovora phage φEa21-4 and Escherichia coli phage wV8. Proteomic analysis indentified structural proteins: Gp23, Gp36 (major tail protein), Gp49, Gp53, Gp54, Gp55, Gp57, Gp58 (major capsid protein), Gp59, Gp63, Gp64, Gp67, Gp68, Gp69, Gp73, Gp74 and Gp77 (tail fiber). Based on phage-host codon differences, 7 tRNAs could affect translation rate during infection. Introns, holin-lysin cassettes, bacterial toxin homologs and host RNA polymerase-modifying genes were absent.
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Complete Genome Sequence of Bacteriophage EC6, Capable of Lysing Escherichia coli O157:H7
A bacteriophage, EC6, capable of lysing Escherichia coli serotype O157:H7 was isolated and found to be a member of the family Myoviridae. The genomic sequence of phage EC6 was composed of 86,231 bp with a G+C content of 38.9% and is very similar to the sequences of Escherichia phage wV8 and Salmonella phage Felix O1.
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