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. 2014 Sep:137:95-8.
doi: 10.1016/j.actatropica.2014.05.004. Epub 2014 May 16.

Detection of Paragonimus mexicanus (Trematoda) metacercariae in crabs from Oaxaca, Mexico

Jaime Vargas-Arzola  1 , Aristeo Segura-Salvador  1 , Leobardo Reyes-Velasco  1 , Dylan L Díaz-Chiguer  2 , Adrián Márquez-Navarro  3 , Gloria León-Avila  3 , Gabriela Ibañez-Cervantes  4 , Alejandro D Camacho  3 , Rosa Ma Sánchez-Manzano  3 , Benjamín Nogueda-Torres  5
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Detection of Paragonimus mexicanus (Trematoda) metacercariae in crabs from Oaxaca, Mexico

Jaime Vargas-Arzola et al. Acta Trop. 2014 Sep.

Abstract

Metacercariae of Paragonimus mexicanus were collected in crabs Tehuana guerreroensis (Rathbun, 1933) in the municipality of Putla, Oaxaca, Mexico. Metacercariae were found in 20.8% of the crabs collected, with an average of 1.9 metacercarie per crab. Stained metacercariae showed the specific characteristics of P. mexicanus by morphology and sequencing a fragment of the 28S ribosomal gene obtained by PCR. These findings reveal that T. guerreroensis is an intermediate host for P. mexicanus; this new report is relevant considering the potential risk of transmission in the states of Oaxaca and Guerrero, Mexico.

Keywords: Crabs; Metacercariae; Paragonimus mexicanus; Tehuana.

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