Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0378-1135(99)00032-2
Title: Molecular fingerprinting of Riemerella anatipestifer by repetitive sequence PCR
Authors: Huang, B.
Tan, H.-M. 
Subramaniam, S. 
Chua, K.-L. 
Kwang, J.
Loh, H.
Frey, J.
Keywords: Genomic DNA
Molecular fingerprinting
Rep-pcr
Riemerella anatipestifer
Whole cell
Issue Date: 1999
Source: Huang, B., Tan, H.-M., Subramaniam, S., Chua, K.-L., Kwang, J., Loh, H., Frey, J. (1999). Molecular fingerprinting of Riemerella anatipestifer by repetitive sequence PCR. Veterinary Microbiology 67 (3) : 213-219. ScholarBank@NUS Repository. https://doi.org/10.1016/S0378-1135(99)00032-2
Abstract: Riemerella anatipestifer is a Gram-negative rod-shaped bacterium associated with epizootic infections in poultry. A total of 35 R. anatipestifer isolates including the type strain ATCC11845(T), reference and field strains for 18 different serotypes were characterized by repetitive sequence based-PCR (rep-PCR) with outwardly-directed primers based on the repetitive extragenic palindromic (REP) consensus sequence. This technique was applied by using either extracted genomic DNA or preparation of whole bacterial cells harvested directly from plate cultures. Rep-PCR discriminated the R. anatipestifer isolates into 19 electrophoretic types. DNA fingerprints obtained from rep-PCR of extracted genomic DNA or from preparations of whole cells yielded comparable patterns. Substantial variation was seen among the rep-PCR fingerprints of different serotypes. Moreover, different polymorphisms of the rep-PCR fingerprints were evident among epidemiologically unrelated isolates of the same serotype. These results suggest the presence of repetitive extragenic palindromic-like elements within the genome of R. anatipestifer that can be used in some isolates to discriminate between different strains belonging to the same serotype. Rep-PCR may serve as a useful molecular tool for subtyping R. anatipestifer isolates for epidemiologic investigations. The whole cell procedure offers the advantage of ease of performance requiring only small quantities of cells. Copyright (C) 1999 Elsevier Science B.V.
Source Title: Veterinary Microbiology
URI: http://scholarbank.nus.edu.sg/handle/10635/31500
ISSN: 03781135
DOI: 10.1016/S0378-1135(99)00032-2
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