Mycobacterium bovis in Swine: Spoligotyping of Isolates from ArgentinaReport as inadecuate

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Veterinary Medicine InternationalVolume 2011 2011, Article ID 979647, 6 pages

Research Article

School of Veterinary of Buenos Aires University, Chorroarín 280, C1427CWO, Buenos Aires, Argentina

Biotechnology Institute, National Institute of Agricultural Technology INTA, N. Repetto y De Los Reseros cc25, B1712WAA, Castelar, Buenos Aires, Argentina

Received 11 January 2011; Accepted 16 February 2011

Academic Editor: Mitchell V. Palmer

Copyright © 2011 Soledad Barandiaran et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A total of 143 Mycobacterium bovis isolates of pigs, from the most productive swine area in Argentina, were typed by spoligotyping. Twenty-two different spoligotypes were identified, and 133 93% isolates were grouped into 12 clusters. One of them, designed SB0140, was the most frequent because it held 83 58% isolates. This spoligotype also grouped 362 43% out of 841 isolates from previously typed cattle and, thus, constitutes the most frequent in our country. In addition, 135 94% isolates revealed spoligotypes identical to those of cattle, showing an epidemiological link. On the other hand, there were seven novel spoligotypes, six of which were also unique since they had only one isolate each. This study aimed to identify the spoligotypes of M. bovis isolated from pigs to contribute to a better understanding of the distribution of bovine tuberculosis in the main productive area of Argentina.

Author: Soledad Barandiaran, Marcela Martínez Vivot, Eduardo Vicente Moras, Angel Adrián Cataldi, and Martín José Zumárraga



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