Biotyping some Campylobacter jejuni Isolates and their sensitivity to common antibiotics. Research submitted by : Ghada Abdul-Razzaq M. Al-Taee & Amera Mahmood M.Al-Rawe. Department of Biology / College of Sciences / Mosul University

Biotyping some  Campylobacter jejuni 

Isolates and their sensitivity to common antibiotics 

Research submitted by : 

Ghada Abdul-Razzaq M. Al-Taee  & Amera Mahmood M.Al-Rawe. 

Department of Biology / College of Sciences / Mosul University 

ABSTRACT

The study involved the biotyping of  9  isolates of Campylobacter jejuni (C.jejuni) isolated from 152 fecal samples from children with sever diarrhea . These isolates were identified depending on morphological , and cultural characteristics and biochemical tests .The study also aimed at checking the sensitivity and resistance of this bacterium to some common antibiotics. Biotyping was done depending on three biochemical tests , Hydrolysis of hippurate , Hydrolysis of DNA and ability of growth on Charcaol Yeast Extract (CYE).This biotyping system includes eight biotypes. The results showed that all isolates belonged to two biotypes , the third and seventh .The third was the dominant comparising 77.78 % while the seventh contained only 22.22 % of the isolates . The study also showed that All isolates were sensetive to Neomycin , Tetracycin , Rifampicin but fully resistante to Co-Trimoxazole and Ampicillin. However, the isolates avariable sensetivity or resistance to Chloramphenicole, Gentamycine, Erythromycine and Ciprofloxacin .