PREVALENCE OF SLIME PRODUCING MULTIPLE ANTIBIOTIC RESISTANT AND SERUM SUSCEPTIBLE ACINETOBACTER baumani IN HUMAN SOURCES
Jayarajan D*, Subashkumar R, Sylviamary F, Silvan.S, Elumalai.EK
ABSTRACT
Major virulence of gram negative bacteria, slime production, serum
susceptibility and drug resistance are play a major role in causing
diseases in human beings . The studies were carried out for isolation
and identification of slime producing, multi drug resistant
Acinetobacter baumanni from various samples. Totally 29 strains of
A.baumanni were obtained in which 23(25%) and 6 (6.5%) strains
were from clinical and environmental samples respectively. All the
A.baumanni strains were further screened for multiple antibiotic
resistant capabilities. Only 10.3 % of the clinical isolates of
A.baumanni were positive for proteolytic test and none of the
environmental isolates were produced protease enzyme. The slime
production is about 55 % of the total isolates were confirmed and significantly higher level of
clinical (82.6 %) and environmental (50%) A.baumanni strains were resistant to normal
human serum. In conclusion our study suggests that all the serum resistant strains were slime
producers and it expresses high MAR index, which appears to be an association with
potential virulent factors cause diseases in human.
Keywords: Acinetobacter baumanni, Slime, MAR index, Serum Resistant.
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