First record of Bothriocephalus acheilognathi in the Rio Grande with comparative analysis of ITS2 and V4-18S rRNA gene sequences

Journal of Aquatic Animal Health
Megan G BeanDavid G Huffman

Abstract

Bothriocephalus acheilognathi is an introduced tapeworm in North America often reported as a serious ecological threat to native fishes. In this paper, we report the first record of B. acheilognathi in the Big Bend region of the Rio Grande in Texas (known as the Río Bravo del Norte in Mexico). Identification of B. acheilognathi was confirmed by morphologic and genetic techniques (sequences of ITS2 and V4-18S rRNA genes). Its prevalence was 27% and its intensity ranged from 1 to 5 individuals in a January 2006 collection of 115 red shiners Cyprinella lutrensis. In addition, it was found in the Tamaulipas shiner Notropis braytoni, a Rio Grande endemic and a new host record. The occurrence of B. acheilognathi might have negative ecological impacts on endemic fishes in the Rio Grande. Several of the fishes that could serve as definitive hosts are of conservation concern. Its occurrence also might affect the success of reintroducing the Rio Grande silvery minnow Hybognathus amarus, which is federally listed as endangered, in this portion of the Rio Grande.

References

Jan 1, 1956·Acta Rheumatologica Scandinavica·S AHLSTROMH HEDBERG
Aug 6, 2005·Scandinavian Journal of Clinical and Laboratory Investigation·C S JørgensenG Houen

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Citations

Feb 6, 2015·Parasite : Journal De La Société Française De Parasitologie·Guillermo Salgado-MaldonadoEdgar F Mendoza-Franco
Mar 19, 2011·Journal of Aquatic Animal Health·Thomas P ArchdeaconScott A Bonar
Apr 12, 2018·Revista brasileira de parasitologia veterinária = Brazilian journal of veterinary parasitology : Órgão Oficial do Colégio Brasileiro de Parasitologia Veterinária·Érico de Melo HoshinoMarcos Tavares-Dias

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Datasets Mentioned

BETA
AY
340106
340121

Methods Mentioned

BETA
PCR

Software Mentioned

MEGALIGN
Basic Local Alignment and Search Tool ( BLAST )

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