Journals / Ankara Üniversitesi Veteriner Fakültesi Dergisi / 2013 / Cilt: 60 - Sayı: 2

Sığır safrasında phoPQ taşıyan Salmonella

phoPQ carrying Salmonella in bile of cattle

Pages
123–128
Publication Date
2022-10-12
DOI
—
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

In conclusion bile can be a site of Salmonella in cattle and all the isolates carried phoPQ gene that may play a significant role in the survival of Salmonella spp. in bile.

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Objective & Hypothesis:The objectives of this study were to determine the prevalence of Salmonella in bile of cattle by comparing immunomagnetic separation (IMS) based cultivation and conventional cultivation techniques, to verify the isolates by the detection of oriC gene, to determine phoPQ gene by PCR, to identify the isolates by serotyping and to find out the antibiotic resistance profiles using disc diffusion method.
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Key Findings & Data:A total of 188 cattle bile samples were collected from two slaughterhouses near Ankara between May- September 2007.
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Conclusion & Impact:In conclusion bile can be a site of Salmonella in cattle and all the isolates carried phoPQ gene that may play a significant role in the survival of Salmonella spp. in bile.
🔬Design:Research Article
📍Scope:2007 Verileri
⚙️Variables:Domain Parameters

Abstract

The objectives of this study were to determine the prevalence of Salmonella in bile of cattle by comparing immunomagnetic separation (IMS) based cultivation and conventional cultivation techniques, to verify the isolates by the detection of oriC gene, to determine phoPQ gene by PCR, to identify the isolates by serotyping and to find out the antibiotic resistance profiles using disc diffusion method. A total of 188 cattle bile samples were collected from two slaughterhouses near Ankara between May- September 2007. In three (1.6 %) of the samples Salmonella spp. were detected by IMS based cultivation technique and two (1.1 %) of the samples with conventional cultivation technique. It was shown that IMS based cultivation technique is more sensitive for the detection of Salmonella in bile of cattle. From the each contaminated samples three colonies were picked and coded (A, B and C). Isolates were verified by detection of oriC gene and phoPQ gene was detected using PCR. According to serotyping; two of them (A and B) were found to be S. Dublin and one (C) S. Bredeney. Disc diffusion method indicated that, S. Bredeney was resistant to ampicillin, cephalothin, tetracycline, nalidixic acid and sulphamethoxazole. All S. Dublin and S. Bredeney isolates were intermediately resistant to streptomycin, also S. Dublin to sulphamethoxazole and S. Bredeney to amoxicillin/clavulanic acid and cephazolin. In conclusion bile can be a site of Salmonella in cattle and all the isolates carried phoPQ gene that may play a significant role in the survival of Salmonella spp. in bile.

Özet

Bu çalışmada, sığır safra örneklerinde Salmonella varlığının klasik kültür ve IMS (immuno-manyetik separasyon) yöntemleriyle tespit edilmesi, elde edilen izolatların PCR yöntemiyle oriC geni ile doğrulanması, phoPQ geninin belirlenmesi, izolatların serotiplendirilmesi ve antibiyotik direnç profillerinin belirlenmesi amaçlanmıştır. Bu amaçla 2007 yılı Mayıs-Eylül ayları arasında Ankara bölgesinde yer alan iki mezbahadan 188 sığır safra örneği toplanmıştır. Örneklerden 3 tanesi (% 1.6) IMS ve 2 tanesi (% 1.1) klasik kültür yöntemiyle Salmonella spp. olarak tespit edilmiştir. Sonuçlar ile sığır safrasında Salmonella’nın belirlenmesinde IMS bazlı kültür tekniğinin klasik kültür tekniğine gore daha duyarlı olduğu görülmektedir. Salmonella tespit edilen örneklerden 3’er koloni alınarak A, B ve C şeklinde kodlanmıştır. İzolatlar PCR yöntemiyle oriC ve phoPQ genleri yönünden analiz edilmiştir. Serotiplendirme işlemi sonucunda elde edilen izolatların ikisinin (A ve B) S. Dublin, birinin (C) S. Bredeney olduğu tespit edilmiştir. Disk difüzyon yöntemiyle S. Bredeney izolatının ampisilin, sefalotin, tetrasiklin, nalidiksik asit ve sülfametaksazole karşı dirençli olduğu tespit edilmiştir. Bütün izolatların (her iki S. Dublin ve S. Bredeney) streptomisine karşı, S. Dublin’in sülfametaksazole ve S. Bredeney’in amoksisilin/klavulanik asite karşı orta düzeyde dirençli olduğu belirlenmiştir. Sonuç olarak, sığır safralarının Salmonella yönünden önemli bir kaynak olabileceği ve izolatların taşıdığı phoPQ geninin Salmonella türlerinin safra koşullarında canlı kalmasında etkin rol oyanayabileceği belirlenmiştir.

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Cite This Article

GONCUOĞLU, M., ELLERBROEK, L., BİLİR, F. S. O., AYAZ, N. D., EROL, İ., ULUDAĞ, M. (2022). Sığır safrasında phoPQ taşıyan Salmonella. Ankara Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 60 - Sayı: 2, 123–128. https://ajindex.com/articles/444859

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