Fecha de publicación: 07/06/2007 Fuente: WIPO "apis mellifera" The present invention provides a method for the treatment and/or prevention of a bacterial related condition comprising administering to a subject a therapeutically effective amount of at least one phospholipase, isoform, derivative, mutant and/or fragment thereof. The phospholipase, isoform, derivative, mutant and/or fragment thereof, may be obtained from at least one venom selected from the group consisting of: Daboia russelli russelli, Daboia russelli siamensis, Daboia russelli pulchella, Crotalus adamanteus, Crotalus durissus terrificus, Pseudechis australis, Agkistrodon halys, Pseudechis guttata, Bitis arietans, Bitis gabonica rhinoceros, Echis carinatus, Acanthopis antarticus, Bungarus candidus, Bothrops asper, Bothrops jararacussu and/or Apis mellifera. The present invention also provides isolated peptides comprising at least one amino acid sequence selected from the group consisting of: SEQ ID NO:1, SEQ ID NO:2, an isoform, derivative, mutant and/or fragment thereof.