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Paper Information

Journal:   JUNDISHAPUR JOURNAL OF NATURAL PHARMACEUTICAL PRODUCTS   MAY 2014 , Volume 9 , Number 2; Page(s) 0 To 0.
 
Paper: 

CHLORHEXIDINE DIGLUCONATE EFFECTS ON PLANKTONIC GROWTH AND BIOFILM FORMATION IN SOME FIELD ISOLATES OF ANIMAL BACTERIAL PATHOGENS

 
 
Author(s):  EBRAHIMI AZIZOLLAH, HEMATI MAJID*, HABIBIAN DEHKORDI SAEED, BAHADORAN SHAHAB, KHOSHNOOD SHEIDA, KHUBANI SHAHIN, DOKHT FARAJ MAHDI, HAKIMI ALNI REZA
 
* SCHOOL OF VETERINARY SCIENCE, SHAHREKORD UNIVERSITY, SHAHREKORD, IR IRAN, POSTAL CODE: 88186-34141
 
Abstract: 

Background: To study chlorhexidine digluconate disinfectant effects on planktonic growth and biofilm formation in some bacterial field isolates from animals.
Objectives: The current study investigated chlorhexidine digluconate effects on planktonic growth and biofilm formation in some field isolates of veterinary bacterial pathogens.
Materials and Methods: Forty clinical isolates of Escherichia coli, Salmonella serotypes, Staphylococcus. aureus and Streptococcus agalactiae (10 isolates for each) were examined for chlorhexidine digluconate effects on biofilm formation and planktonic growth using microtiter plates. In all of the examined strains in the presence of chlorhexidine digluconate, biofilm development and planktonic growth were affected at the same concentrations of the disinfectant.
Results: Chlorhexidine digluconate inhibited the planktonic growth of different bacterial species at sub-MICs. But they were able to induce biofilm development of the E. coli, Salmonella spp., S. aureus and Str. agalactiae strains.
Conclusions: Bacterial resistance against chlorhexidine is increasing. Sub-MIC doses of chlorhexidine digluconate can stimulate the formation of biofilm strains.

 
Keyword(s): BIOFILMS, CHLORHEXIDINE DIGLUCONATE, SALMONELLA SPP., STREPTOCOCCUS AGALACTIAE, ESCHERICHIA COLI
 
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