Bacteriophages for reducing toxicity of bacteria
First Claim
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1. A genetically modified bacteriophage comprising:
- (i) an exogenous polynucleotide which encodes at least one agent which reduces the toxicity of a bacterium, is non-toxic to the bacterium and does not affect directly the survival of said bacterium, said polynucleotide is a dominant sensitive antibiotic resistant gene that reverses resistance of said bacterium to an antibiotic, wherein said at least one agent is 30S ribosomal subunit protein S12, encoded by the polynucleotide sequence of SEQ ID NO;
24; and
(ii) an exogenous polynucleotide which encodes a selectable marker that renders a bacterium infected by said phage resistant to a toxic compound selected from the group consisting of potassium-tellurite, chlorhexidine salts, diamidines, acridines, arsenite, arsenate and antimonite.
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Abstract
A genetically modified bacteriophage is disclosed which comprises:
- (i) an exogenous polynucleotide which encodes an agent which reduces the toxicity of a bacterium; and
- (ii) an exogenous polynucleotide which encodes a selectable marker.
Uses thereof and kits comprising same are also disclosed.
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Citations
31 Claims
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1. A genetically modified bacteriophage comprising:
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(i) an exogenous polynucleotide which encodes at least one agent which reduces the toxicity of a bacterium, is non-toxic to the bacterium and does not affect directly the survival of said bacterium, said polynucleotide is a dominant sensitive antibiotic resistant gene that reverses resistance of said bacterium to an antibiotic, wherein said at least one agent is 30S ribosomal subunit protein S12, encoded by the polynucleotide sequence of SEQ ID NO;
24; and(ii) an exogenous polynucleotide which encodes a selectable marker that renders a bacterium infected by said phage resistant to a toxic compound selected from the group consisting of potassium-tellurite, chlorhexidine salts, diamidines, acridines, arsenite, arsenate and antimonite. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A genetically modified bacteriophage comprising:
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(i) an exogenous polynucleotide which encodes a polypeptide which reverses resistance of a bacterium to an antibiotic, wherein said polypeptide is 30S ribosomal subunit protein S12, encoded by the polynucleotide sequence of SEQ ID NO;
24; and(ii) an exogenous polynucleotide which encodes a selectable marker that renders a bacterium infected by said phage resistant to a toxic compound selected from the group consisting of potassium-tellurite, chlorhexidine salts, diamidines, acridines, arsenite, arsenate and antimonite.
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- 17. A genetically modified bacteriophage comprising an exogenous polynucleotide which encodes at least one polypeptide which reverses resistance of a bacterium to an antibiotic and is non-toxic to the bacterium, wherein said wherein said at least one polypeptide is 30S ribosomal subunit protein S12, encoded by the polynucleotide sequence of SEQ ID NO:
- 23. A genetically modified bacteriophage comprising an exogenous polynucleotide which encodes a polypeptide which reverses resistance of a bacterium to an antibiotic, wherein said polypeptide is the 30S ribosomal subunit protein S12 and is encoded by the polynucleotide sequence of SEQ ID NO:
Specification