A bulk analysis of inter-simple sequence repeat–polymerase chain reaction (ISSR-PCR) provides a quick, reliable, and highly informative system for DNA banding patterns that permit species identification. The present study evaluates the applicability of this system to Trichinella species identification. After a single amplification carried out on a single larva with the primer 816([CA]nRY) under high stringency conditions, which provide high reproducibility, we were able to identify by consistent banding patterns 5 sibling species: Trichinella spiralis (ISS48), 2 Trichinella britovi isolates (ISS11 and ISS86), Trichinella murrelli (ISS35), Trichinella nativa (ISS71), Trichinella nelsoni (ISS29); 3 additional Trichinella genotypes: T8 (ISS149), T9 (ISS408 and ISS409), and T6 (ISS34); and the nonencapsulated species Trichinella pseudospiralis (ISS13). Moreover, 33 new Trichinella isolates from 2 zoogeographical regions were unequivocally identified. All Trichinella isolates have shown an identical pattern with those produced by the reference strain. According to these data, we have demonstrated that ISSR-PCR is a robust technique that emerges as a useful new application for the molecular identification of Trichinella isolates in epidemiological studies.
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June 2006
SYSTEMATICS-PHYLOGENETICS|
June 01 2006
MOLECULAR CHARACTERIZATION OF TRICHINELLA GENOTYPES BY INTER-SIMPLE SEQUENCE REPEAT POLYMERASE CHAIN REACTION (ISSR-PCR)
F. Fonseca-Salamanca;
F. Fonseca-Salamanca
Unidad de Parasitología, Facultad de Medicina, Universidad de La Frontera, Casilla 54-D, Temuco, Chile. [email protected]
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J. J. Nogal-Ruiz;
J. J. Nogal-Ruiz
Unidad de Parasitología, Facultad de Medicina, Universidad de La Frontera, Casilla 54-D, Temuco, Chile. [email protected]
* Departamento de Parasitología, Facultad de Farmacia, Universidad Complutense, Pza. Ramón y Cajal s/n, 28040 Madrid, Spain
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C. Benito;
C. Benito
Unidad de Parasitología, Facultad de Medicina, Universidad de La Frontera, Casilla 54-D, Temuco, Chile. [email protected]
† Departamento de Genética, Facultad de Biología, Universidad Complutense, Avda. Complutense s/n, 28040 Madrid, Spain
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M. V. Camacho;
M. V. Camacho
Unidad de Parasitología, Facultad de Medicina, Universidad de La Frontera, Casilla 54-D, Temuco, Chile. [email protected]
† Departamento de Genética, Facultad de Biología, Universidad Complutense, Avda. Complutense s/n, 28040 Madrid, Spain
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A. R. Martínez-Fernández
A. R. Martínez-Fernández
Unidad de Parasitología, Facultad de Medicina, Universidad de La Frontera, Casilla 54-D, Temuco, Chile. [email protected]
* Departamento de Parasitología, Facultad de Farmacia, Universidad Complutense, Pza. Ramón y Cajal s/n, 28040 Madrid, Spain
‡ To whom correspondence should be addressed
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J Parasitol (2006) 92 (3): 606–610.
Citation
F. Fonseca-Salamanca, J. J. Nogal-Ruiz, C. Benito, M. V. Camacho, A. R. Martínez-Fernández; MOLECULAR CHARACTERIZATION OF TRICHINELLA GENOTYPES BY INTER-SIMPLE SEQUENCE REPEAT POLYMERASE CHAIN REACTION (ISSR-PCR). J Parasitol 1 June 2006; 92 (3): 606–610. doi: https://doi.org/10.1645/GE-678R.1
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