Strains of bacteriophage useful for rescuing patients...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 7/01 (2006.01) A01N 63/00 (2006.01) A61K 35/76 (2006.01) A61K 39/12 (2006.01) A61P 31/04 (2006.01)

Patent

CA 2373486

The present invention involves the use of specific phages, designated ENB6 and ENB13, that kill many clinical isolates of vancomycin-resistant Enterococcus faecium and of vancomycin-sensitive Enterococcus faecium. The genome of one of the phage strains, ENB6 has been partially sequenced, and is shown to not contain nucleotide sequences for known bacterial virulence genes or for the vancomycin resistance cassette. Its efficacy in rescuing mice from otherwise- fatal bacteremias is documented herein.

la présente invention concerne l'utilisation de bactériophages spécifiques, appelés ENB6 et ENB13, qui tuent nombre d'isolats cliniques de Enterococcus faecium résistant à la vancomycine et de Enterococcus faecium sensible à la vancomycine. Le génome d'une des souches de ces bactériophages, ENB6 à été partiellement séquencé, et il apparaît qu'il ne contient pas de séquences nucléotidiques correspondant à des gènes à virulence bactérienne connus et à une cassette présentant une résistance à la vancomycine. Son efficacité qui a permis de sauver des souris de bactériémie dont l'issue aurait en d'autres circonstances été fatale, est présentée dans ce dossier.

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