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Khawlah J. Khalaf, Department of Biology, College of Science, AL-Mustansirya UniversityReceived 9/3/2015Accepted 15/6/2015Abstract:The Inhbititory effect of cocentrated and non-cocentrated supernatant of the probiotic Lactobacillussalivariusagainst growth of some potential pathogenic microorganisms which included Pseudomonas eruginosa, Klebsiella spp,Escherichia coli andCandida albicans.The results were diffusion assay revealed that concentrated and non-concentrated supernatant had inhitory effect against pathogenic bacteria with inhibition zone rengedbetween 13-17mm while inhibition effect of concentrated supernatant against C.albicanswas inhibition zone 8mm. On the other hand,the effect of these suprnatant against biofilm formation of the tested microorganisms was studied. The result showed that the concentrated supernatant had inhibitory effect on biofilm formation for all tested microorganisms with percentage (28-29)% against tested bacteria and (23)% against C.albicans.Keywords:Lactobacillus salivarius, pathogenic microorganisms,biofilm
Nibras N . Mahmood, Department of Biology, College of Science, AL-Mustansirya UniversityReceived 9/3/2015Accepted 15/6/2015Abstract:The Inhbititory effect of cocentrated and non-cocentrated supernatant of the probiotic Lactobacillussalivariusagainst growth of some potential pathogenic microorganisms which included Pseudomonas eruginosa, Klebsiella spp,Escherichia coli andCandida albicans.The results were diffusion assay revealed that concentrated and non-concentrated supernatant had inhitory effect against pathogenic bacteria with inhibition zone rengedbetween 13-17mm while inhibition effect of concentrated supernatant against C.albicanswas inhibition zone 8mm. On the other hand,the effect of these suprnatant against biofilm formation of the tested microorganisms was studied. The result showed that the concentrated supernatant had inhibitory effect on biofilm formation for all tested microorganisms with percentage (28-29)% against tested bacteria and (23)% against C.albicans.Keywords:Lactobacillus salivarius, pathogenic microorganisms,biofilm
Hamzia A. Ajah, Department of Biology, College of Science, AL-Mustansirya UniversityReceived 9/3/2015Accepted 15/6/2015Abstract:The Inhbititory effect of cocentrated and non-cocentrated supernatant of the probiotic Lactobacillussalivariusagainst growth of some potential pathogenic microorganisms which included Pseudomonas eruginosa, Klebsiella spp,Escherichia coli andCandida albicans.The results were diffusion assay revealed that concentrated and non-concentrated supernatant had inhitory effect against pathogenic bacteria with inhibition zone rengedbetween 13-17mm while inhibition effect of concentrated supernatant against C.albicanswas inhibition zone 8mm. On the other hand,the effect of these suprnatant against biofilm formation of the tested microorganisms was studied. The result showed that the concentrated supernatant had inhibitory effect on biofilm formation for all tested microorganisms with percentage (28-29)% against tested bacteria and (23)% against C.albicans.Keywords:Lactobacillus salivarius, pathogenic microorganisms,biofilm
Jehan A. S. Salman, Department of Biology, College of Science, AL-Mustansirya UniversityReceived 9/3/2015Accepted 15/6/2015Abstract:The Inhbititory effect of cocentrated and non-cocentrated supernatant of the probiotic Lactobacillussalivariusagainst growth of some potential pathogenic microorganisms which included Pseudomonas eruginosa, Klebsiella spp,Escherichia coli andCandida albicans.The results were diffusion assay revealed that concentrated and non-concentrated supernatant had inhitory effect against pathogenic bacteria with inhibition zone rengedbetween 13-17mm while inhibition effect of concentrated supernatant against C.albicanswas inhibition zone 8mm. On the other hand,the effect of these suprnatant against biofilm formation of the tested microorganisms was studied. The result showed that the concentrated supernatant had inhibitory effect on biofilm formation for all tested microorganisms with percentage (28-29)% against tested bacteria and (23)% against C.albicans.Keywords:Lactobacillus salivarius, pathogenic microorganisms,biofilm

Abstract

The Inhbititory effect of cocentrated and non-cocentrated supernatant of the probiotic Lactobacillus salivarius against growth of some potential pathogenic microorganisms which included Pseudomonas eruginosa, Klebsiella spp, Escherichia coli and Candida albicans. The results were diffusion assay revealed that concentrated and non-concentrated supernatant had inhitory effect against pathogenic bacteria with inhibition zone renged between 13-17mm while inhibition effect of concentrated supernatant against C.albicans was inhibition zone 8mm. On the other hand, the effect of these suprnatant against biofilm formation of the tested microorganisms was studied. The result showed that the concentrated supernatant had inhibitory effect on biofilm formation for all tested microorganisms with percentage (28-29)% against tested bacteria and (23)% against C.albicans.

Keywords

Lactobacillus salivarius, pathogenic microorganisms, biofilm

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