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2019 | 75 | 08 |
Tytuł artykułu

Using bacteriophages in the extraction of Brucella DNA from milk and culture samples and its evaluation by multiplex PCR

Autorzy
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Molecular methods have been progressing at a noticeably rapid rate recently. Obtaining the DNA required for most of these methods is also trying to catch up with this progress. Although many different kits and processes are utilized for DNA extraction, bacterial isolation is still accepted as a gold standard in the diagnosis of brucellosis. This study aims to create a novel way that can be used as an extraction method including bacteriophages. Bacteriophages that are specific to Brucella (B.) genus and species are used commonly in conventional identification and biotyping. However, using bacteriophages in the extraction of the DNA of the target bacteria has not been tried so far. In this study, DNA was extracted from Brucella culture and milk samples through the use of Izat Nagar (Iz) phage with 10²–10⁴ routine test dilution. These milk samples were artificially infected by Brucella suis bacteria with the amounts changing between 3.68×10⁹ and 0.44×10⁷ cfu/ml. Positive results were obtained from multiplex PCR by observing the B. suis profile with 7 bands. The methodology of the study consisted of 4 main phases; namely, first centrifugation, phage addition, incubation and the second centrifugation. When the effects of phages on viable bacteria are considered, it might be said that a method, which could be named ‘Phage-Exsen’, and which supports the gold standard, has been suggested. This method combines the advantages of the conventional method and molecular ones and forms a basis for prospective studies. Moreover, it illustrates the use of bacteriophages for DNA extraction in an unusual way, which might form a new perspective.
Słowa kluczowe
EN
Wydawca
-
Rocznik
Tom
75
Numer
08
Opis fizyczny
p.497-501,fig.,ref.
Twórcy
autor
  • Kartepe Vocational School of Equine Science, Kocaeli University, 41380, Kocaeli, Turkey
Bibliografia
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Typ dokumentu
Bibliografia
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