Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.
Abdallah, N., Hussein, H., Khalil, O., Abdel–Aal, S., El- Desokey, R. (2018). Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.. EKB Journal Management System, 51(4), 100-107. doi: 10.21608/ajnsa.2018.12403
N.A. Abdallah; H. A. Hussein; O.A.A. Khalil; S. Abdel–Aal; R. A. El- Desokey. "Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.". EKB Journal Management System, 51, 4, 2018, 100-107. doi: 10.21608/ajnsa.2018.12403
Abdallah, N., Hussein, H., Khalil, O., Abdel–Aal, S., El- Desokey, R. (2018). 'Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.', EKB Journal Management System, 51(4), pp. 100-107. doi: 10.21608/ajnsa.2018.12403
Abdallah, N., Hussein, H., Khalil, O., Abdel–Aal, S., El- Desokey, R. Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.. EKB Journal Management System, 2018; 51(4): 100-107. doi: 10.21608/ajnsa.2018.12403

Enhancement of Lactic Acid Bacteria by Gamma Radiation to Inhibit Antibiotic Resistance of some Salmonella spp.

Arab Journal of Nuclear Sciences and Applications
Article 11, Volume 51, Issue 4, October 2018, Page 100-107  XML PDF (415.38 K)
Document Type: Original Article
DOI: 10.21608/ajnsa.2018.12403
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Authors
N.A. Abdallah1; H. A. Hussein2; O.A.A. Khalil email 2; S. Abdel–Aal2; R. A. El- Desokey2
1Microbiology Department, Faculty of Science, Ain- Shams University, Cairo, Egypt
2Radiation Microbiology Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
Abstract
Forty nine isolates were isolated from 34 food samples using Salmonella-Shigella medium, 10 of them were identified biochemically as Salmonella sp., two of them were multidrug-resistant, and they showed a resistance to seven tested antibiotics (ampicillin, streptomycin, gentamicin, nalidixic acid, ciprofloxacin, tetracycline, amoxicillin). Molecular identification of these isolates proved that they were Citrobacter ferundii and Proteus mirabilis. The antimicrobial activity for Lactobacillus acidophilus ATCC 4356and Streptococcus thermophiles ATCC 19987 mixtureand their cell-free supernatant mixture were activated by low doses of gamma radiation (5 Gray for lactic acid bacteria & 20 Gray for supernatant). Results proved that on applying the two previously activated mixtures on chicken carcasses, supernatants completely killed the three pathogens(Citrobacter ferundii, Proteus mirabilis and Salmonella typhi ATCC 14028 reference strain) during 4 hours while the lactic acid bacteria mixture killed them after 3 hours.
Keywords
Lactic acid bacteria, Gamma radiation; Salmonella sp., Citrobacter ferundii, Proteus mirabilis
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