Antibiotic resistance of bacteria isolated from mice’s intestine in Lahijan

Zhaleh Dezfoolimanesh; MohammadRasol Tohidnia; Fatemeh Darabi; Mojdeh Assarezadegan

Journal of Kermanshah University of Medical Sciences

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Antibiotic resistance of bacteria isolated from mice’s intestine in Lahijan

Author(s):

Zhaleh Dezfoolimanesh^1,*,

MohammadRasol Tohidnia²,

Fatemeh Darabi³,

Mojdeh Assarezadegan⁴

1Dept. of Microbiology, Paramedicschool, kermanshah University of Medcial Sciences, Kermanshah, Iran

2Dept. of Radiology, Paramedicschool, kermanshah University of Medcial Sciences, Kermanshah, Iran

3Dept. of Anestesiology, Paramedicschool, kermanshah University of Medcial Sciences, Kermanshah, Iran

4Dept. of Paramedicschool, kermanshah University of Medcial Sciences, Kermanshah, Iran

Journal of Kermanshah University of Medical Sciences:Vol. 13, issue 3; e79600

Published online:Dec 19, 2009

Article type:Research Article

Received:Mar 14, 2009

Accepted:Aug 04, 2009

How to Cite:Zhaleh DezfoolimaneshMohammadRasol TohidniaFatemeh DarabiMojdeh AssarezadeganAntibiotic resistance of bacteria isolated from mice’s intestine in Lahijan.J Kermanshah Univ Med Sci.13(3):e79600.

Abstract

Background: Disease transmission by rats and mice is a worldwide problem of big cities, which is important economically and also a significant health problem. This study was carried out to identify bacterial species find out antibiotic resistance of isolated bacteria in local rat's population in Lahijan - Iran.

Methods: Cluster random sampling design was used to study a total sample of 100 rodent species, from 13 different regions within the Lahijan city. Rats were killed by using ether inhalation and sterile swabs were used to collect samples from cecum.

The collected swabs were cultured for bacterial growth on different media. Cold enrichment phosphate buffer was used for isolation of Yersinia Enterocolitica . Antibiotic sensitivity was determined by using Kirby-Bauer's method. SPSS software was used for data analysis.

Results: A total of 100 rats were entrapped. 94 of them were of Rattus norvegicus and the other 6 of Rattus rattus types. The results showed that 70% of the rodents were carriers of proteus species, 34% klebsiella, 20% Entero pathogenic Ecoli, 4% salmonella typhimurium, 45% enterobacter cloacae, 64% citrobacter spp, 75% non-pathogenic E coli, 19% serratia marscesins, 41% hafnia alveoi, 57% pseudomonas aeroginossa, 10% yersinia enterocolitica, 31% aureus, 38% coagulase negative staphylococcus, 13% streptococcus faecalis and 40% bacillus cereus. The most sensitive antibiotics included ciprofloxacin, nalidixic acid and cotrimoxazole.

Conclusion: We concluded that mice and rats are potentially able to transmit diseases to human. Further studies about health and economic effects of rats in large cities are recommended.

Keywords

Bacterial enteropathogens

Rattus rattus

Rattus norvegicus

Bacterial resistance

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