Truchas Mexicanas

studying and working toward description and conservation of Mexico's diverse native trout

Mitochondrial haplotype variation in wild trout populations (Teleostei: Salmonidae) from northwestern Mexico

Publication Type:Journal Article
Year of Publication:2008
Authors:F. Camarena-Rosales, Ruiz-Campos, G., Rosa-Vélez, J., Mayden, R. L., Hendrickson, D. A., Varela-Romero, A., de León, F. J. García
Journal:Reviews in Fish Biology and Fisheries
Pagination:33 - 45
Date Published:2008///
Keywords:Chihuahua, Conchos, Cytochrome b, endangered, Mayo, Mexican trout, Oncorhynchus, Oncorhynchus mykiss, rainbow trout, Salmonidae, Truchas Mexicanas

The variation and composition of Mexican wild trout mitochondrial DNA haplotypes throughout northwestern Mexico was determined by means of polymerase chain reaction-restriction fragment polymorphism analysis (PCR-RFLP), of one region of mitochondrial DNA between cytochrome b and the D-loop. This analysis was based on 261 specimens taken in 12 basins and four hatcheries from northwestern Mexico. From 23 haplotypes, 15 wild trout haplotypes were identified and classified in four groups: (1) one restricted to Nelson's trout (Oncorhynchus mykiss nelsoni), (2) four restricted to R¡o Mayo and R¡oYaqui trout (O. mykiss sspp.), (3) six to Mexican golden trout (O. chrysogaster) with two subgroups, and (4) one exclusive to R¡o Piaxtla trout. Distributions of native haplotypes broadly overlap the distribution of non-native hatchery rainbow trout reflecting the historical management of introductions of exotic rainbow trout and the artificial transference of these trout among basins.

URL:⬚d:\users\dean_h\reprints in pdf or other\Camarena_2008_Mt_haplotype_Mexican_trout.pdf⬚
Short Title:Rev.Fish Biol.Fish.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith