Volume 10, Issue 39 (6-2020)                   NCMBJ 2020, 10(39): 9-18 | Back to browse issues page

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Asadi A, Zahraei Salehi T, Ghanbarpour R, asadi N. The phylogeny of Escherichia coli isolates involved in Colibacillosis and cellucitis in broiler chickens in shahrebabak by Multiplex PCR Technique. NCMBJ. 2020; 10 (39) :9-18
URL: http://ncmbjpiau.ir/article-1-1290-en.html
Department of Microbiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
Abstract:   (403 Views)
Aim and Background: Escherichia coli infections in poultry have a word wide spread. Serotypies O1, O2, O8, O35, O78 Escherichia coli is involved in the development of generalized colibacillosis disease. Genes such as F17, Sfa, pap, afa, , fimH , crl , iuc, bla, yja, chu, are considered as an Escherichia coli acuity factoro. the aim of the present study were Phylogentic of Escherichia coli isolates involved in Colibacillosis and cellucitis in broiler chickens in shahrebabak(Kerman Province) by Multiplex PCR Technique 
Material and methods: From 117 samples of Escherichia coli (83 colibacillosis samples and 34 cellulitis samples) were isolated. These samples were examined and confirmed by biochemical methods.
Results: Colibacillosis isolates were belonged to A (54.27%), B1 (7.22%), B2 (6.03%) and D (32.53%) phylogroups. Where as, the isolates from cellulitis cases were belonged to three main phylogroups; A (55.88%), B1 (5.88%) and D (38.24%).
Conclusion: Statistical analysis showed a specific association between the presence of crl virulence gene and Phylogrups of A and D (P<0.05) in colibacillosis isolates.
The results showed that the isolates from both diseases in broiler chickens could be assigned to various phylogenetic groups (mainly A). Also, the virulence genes profile of cellulitis E.coli is completely different from that of colibacillosis in this region
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Type of Study: Research Article | Subject: Cellular and molecular
Received: 2020/06/24 | Accepted: 2020/06/24 | Published: 2020/06/24

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