College of Science

A total of 57 samples were collected from different environments (soil, water, and sewage samples) from different locations in Baghdad governorate. The total isolates obtained from these samples were 30 isolates, 15 of them were identified as Serratia spp according to cultural and morphological characteristics. Biochemical tests were carried out on these 15 isolates. Results showed that 5 of these isolates were identified as Serratia marcescens.

Aqueous and methanolic extracts of dried aerial parts of Hibiscus sabdariffa and Harpagophytum procumbens were tested for their antimicrobial and curing activity against two microorganisms Escherichia coli HB 101 and Pseudomonas aeruginosa RB19 Chemical investigation on these extracts showed that Hibiscus sabdariffa methanolic extracts contain flavonoids and water extract contain glycosides and Saponins while the Harpagophytum procumbens methanolic extracts contain flavonoids and water extract contain glycosides. .

This project was conducted to evaluate the activity of S-layer proteins isolated from Lactobacillus in comparison with the activity of concentrated filtrate of Lactobacillus against some pathogenic microorganisms and against tumor cell lines in vitro. Twelve isolates of Lactobacillus spp.