Identification and isolation  of bacteria from milk. A master's thesis at the University of Basrah

A master's thesis at the College of Veterinary Medicine at the University of Basrah investigated the isolation and identification of the bacterium Serratia marcescens   from cow and buffalo milk and the identification of its virulence factors.

The thesis, presented by researcher Lubna Muslim Abdul Karim, aimed to investigate the bacteria's ability to resist antibiotics, the virulence factors that contribute to this resistance, and its ability to spoil milk.

The thesis concluded that Serratia marcescens   , isolated for the first time from milk in Basrah, carries various resistance genes and has demonstrated high resistance to most antibiotics. It also contains the bsmB gene, responsible for the production of protease and lipase enzymes responsible for spoilage of milk and milk products, which impacts public health and livestock.

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