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Full-Text Articles in Medicine and Health Sciences
Thermal Resistance Of Listeria Monocytogenes In İnegöl Meatballs, G. Ece Soyutemi̇z, Fi̇gen Çeti̇nkaya
Thermal Resistance Of Listeria Monocytogenes In İnegöl Meatballs, G. Ece Soyutemi̇z, Fi̇gen Çeti̇nkaya
Turkish Journal of Veterinary & Animal Sciences
This study was performed to determine the thermal resistance of L. monocytogenes at different heat treatments in İnegöl meatballs. İnegöl meatballs were divided into three groups. In group I, meatballs were inoculated with 8.0x10^2, 1.9x10^3, 6.0x10^3 and 2.4x10^4 cfu/g L. monocytogenes and then they were cooked at an internal temperature of 85 °C for 4 min. Group II meatballs were inoculated with 1.0x10^2, 2.0x10^2, 8.0x10^2, 5.6x10^5 and 2.0x10^6 cfu/g L. monocytogenes and cooked at an internal temperature of 80 °C for 4 min. In group III, the meatballs were inoculated with 5.6x10^5 and 2.0x10^6 cfu/g L. monocytogenes and cooked at …
Isolation Of Listeria Monocytogenes From Fish Intestines And Rapd Analysis, Hasan Basri̇ Ertaş, Engi̇n Şeker
Isolation Of Listeria Monocytogenes From Fish Intestines And Rapd Analysis, Hasan Basri̇ Ertaş, Engi̇n Şeker
Turkish Journal of Veterinary & Animal Sciences
One hundred and fifty fish caught from Keban Dam Lake were examined for the presence of Listeria monocytogenes. A random amplified polymorphic DNA (RAPD) assay using a random primer was performed to detect genetic variations among L. monocytogenes isolates. The selective enrichment procedure followed by selective isolation was used for listeria isolation from fish intestines. Ten (6.6%) L. monocytogenes were isolated and identified from fish intestines. Two different band profiles were obtained by the RAPD analysis of the isolates. The results indicated that the isolates might have originated from different sources, and fish contaminated with L. monocytogenes may cause serious …
Effect Of Lactobacillus Sakei Lb706 On Behavior Of Listeria Monocytogenes In Vacuum-Packed Rainbow Trout Fillets, Şükri̇ye Aras Hi̇sar, Güzi̇n Kaban, Olcay Hi̇sar, Telat Yanik, Mükerrem Kaya
Effect Of Lactobacillus Sakei Lb706 On Behavior Of Listeria Monocytogenes In Vacuum-Packed Rainbow Trout Fillets, Şükri̇ye Aras Hi̇sar, Güzi̇n Kaban, Olcay Hi̇sar, Telat Yanik, Mükerrem Kaya
Turkish Journal of Veterinary & Animal Sciences
The effect of a bacteriocin-producing strain, Lactobacillus sakei Lb706, on the behavior of Listeria monocytogenes in rainbow trout fillets stored under vacuum at 4 ºC for 14 days and at 10 ºC for 5 days was investigated. At 4 ºC, growth of L. monocytogenes was significantly inhibited (P < 0.05) by L. sakei Lb706 during 10 days of storage while bacteriocin-negative Lb706-B did not affect the growth of L. monocytogenes during 14 days of storage. In the presence of the sakacin A-producing strain of L. sakei (Lb706), the growth of L. monocytogenes was significantly inhibited (P < 0.05) in the first 3 days of storage at 10 ºC, after which its count increased to 10^7 CFU/g. The control group and the group containing L. sakei Lb706-B showed similar growth patterns of L. monocytogenes. Significant increases (P < 0.05) were observed in all groups in terms of psychrotrophic bacteria counts. No significant (P > 0.05) changes in pH values during storage at 4 ºC and 10 ºC were determined. Consequently, the results of the present study showed that L. sakei Lb706 can be used as a protective culture in freshwater reared rainbow trout, especially for preventing possible contaminations of Gram-positive food-borne pathogenic bacteria such as L. …
Faecal Carriage Of Listeria Monocytogenes In Stray Dogs In Bursa Province, Turkey, A. Levent Kocabiyik, Cengi̇z Çeti̇n, Cüneyt Özakin
Faecal Carriage Of Listeria Monocytogenes In Stray Dogs In Bursa Province, Turkey, A. Levent Kocabiyik, Cengi̇z Çeti̇n, Cüneyt Özakin
Turkish Journal of Veterinary & Animal Sciences
The faecal carriage rate of Listeria monocytogenes in stray dogs in Bursa province, Turkey, was determined from 82 faecal samples by bacteriological methods. L. monocytogenes was isolated from only one (1.22%) of the samples examined. The isolate was serotyped as 1/2b. It was concluded that stray dogs could be a reservoir of the organism as well as a source of human listeriosis in Turkey. This is the first report on the isolation of L. monocytogenes from a dog in this country.