Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/3258
Título: Application of an impedimetric technique for the detection of lytic infection of salmonella spp. by specific phages
Autor: Amorim, Lara R. P.
Silva, Joana G. L.
Gibbs, Paul A.
Teixeira, Paula C.
Data: 2009
Editora: Hindawi Publishing Corporation
Citação: AMORIM, Lara R. P ...[et al.] - Application of an impedimetric technique for the detection of lytic infection of salmonella spp. by specific phages. International Journal of Microbiology. ISSN 0168-1605. (2009), p. 1-6
Resumo: This study was performed to evaluate the adaption of the impedimetric method to detect the lytic infection by Salmonella-specific bacteriophages and to provide a higher selectivity to this rapid method in detecting Salmonella spp. by using specific agents. Three bacteriophages and twelve strains of Salmonella spp. were tested. Each of the twelve strains was used separately to inoculate TSB together with each one of the phages. The inoculumconcentration was between 106 and 107 cfu/mL, at a cell: phage ratio of 1 : 100. From the sample analysis, based on conductance (G)measurements (37◦C), the infection could be detected, by observation of both detection-time delay and distinct curve trends. The main conclusions were that kinetic detection by impedance microbiology with phage typing constitutes a method of determining whether a test microorganism is sensitive to the bacteriophage and a method to evaluate whether a lytic bacteriophage is present in a sample, by affecting bacterial growth rate/metabolic change
URI: http://hdl.handle.net/10400.14/3258
Versão do Editor: http://www.hindawi.com/journals/ijmb/2009/259456.html
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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