Article
Multiple rearrangements in cryptic species of electric knifefish, Gymnotus carapo (Gymnotidae, Gymnotiformes) revealed by chromosome painting.
BMC genetics - 27 Apr 2010
Nagamachi Cleusa Y, Pieczarka Julio C, Milhomem Susana S R, O'Brien Patricia C M, de Souza Augusto C P, Ferguson-Smith Malcolm A
Abstract excerpt
BACKGROUND: Gymnotus (Gymnotidae, Gymnotiformes) is the Neotropical electric fish genus with the largest geographic distribution and the largest number of species, 33 of which have been validated. The diploid number varies from 2n = 39-40 to 2n = 54. Recently we studied the karyotype of morphologically indistinguishable samples from five populations of G. carapo sensu stricto from the Eastern Amazon of Brazil. We...
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