CHARACTERIZATION OF SOME BACTERIAL VIRUSES ISOLATED FROM DRAIN WATER AND THEIR APPLICATIONS

Abstract

Waterborne pathogens can be divided into three main groups: bacteria (included Listeria monocytogenes, Salmonella spp.), viruses and parasites. Microbial contamination of different water resources were happened through discarding treated or untreated sewage in water in addition to several pollutant sources. The seriousness of the waterborne pathogens is that they infect both humans and animals and cause serious diseases that may end in death. When irrigation water is contaminated with water-borne pathogens, the plants are polluted and become a major source of foodborne disease. In recent years, due to the increased presence of bacteria resistant to antibiotics, bacteriophages are used in the biological control of foods. Phages are high specialization of the host and are multiply their numbers of self and do not affect the microflora intestinal. The aim of this study was to use specific bacteriophages as a safe alternative to control of some human pathogenic bacteria transmitted through water polluted with sewage. To achieve this important objective, the study was carried out as follows: 1. In this study four water samples were collected from different canals during winter and spring seasons. Al samples were tested by bacteriological examination. TVBCs were estimated at 22°C, their counts were 8×104, 4×106, 8.6×108 and 2 ×109 cfu/mL in El-