Author(s): Mohemid M. Al-Jebouri* and Ashwaq Y. Younis
Rothia mucilaginosa was isolated from 7 patients working in Al-Baiji oil refinery suffering from respiratory tract infections during 2008to 2009. The infections included five cases of tonsiilitis and bronchitis and pneumonia once each. The various strains were cultured from specimens obtained by swabs and sputum specimens. They were identified largely depending upon the determination of the Mol% of G+C content of DNA which was high as 57%, 58.8% and 60.0% (average 58.8%). All strains were fully susceptible to vancomycin and cefotaxime. They showed variable susceptibility to tetracycline, ciprofloxacin, ceftriaxone amd amoxicillin/clavulanic acid. A high resistance to tobramycin, amikacin and gentamicin was seen with MICs ranged as 8, 0.125-16 and 0.5-16 µg/ml respectively.