Serratia marcescensSerratia InfectionsSerratiaProdigiosinMicrobial Sensitivity TestsDrug Resistance, MicrobialAnti-Bacterial AgentsDrug Resistance, BacterialEnterobacteriaceae InfectionsDNA, BacterialBacterial ProteinsEnterobacteriaceaeMolecular Sequence DataChitinasebeta-LactamasesEscherichia coliEnterobacterGenes, BacterialDrug Resistance, Multiple, BacterialDrug ResistanceSequence Analysis, DNAGram-Negative BacteriaBacteriaCross InfectionCulture Media