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Delimiting the origin of a B chromosome by FISH mapping, chromosome painting and DNA sequence analysis in Astyanax paranae (Teleostei, Characiformes).

PloS one - 1 Jan 2014

Silva Duílio M Z de A, Pansonato-Alves José Carlos, Utsunomia Ricardo, Araya-Jaime Cristian, Ruiz-Ruano Francisco J, Daniel Sandro Natal, Hashimoto Diogo Teruo, Oliveira Cláudio, Camacho Juan Pedro M, Porto-Foresti Fábio, Foresti Fausto

Abstract excerpt

Supernumerary (B) chromosomes have been shown to contain a wide variety of repetitive sequences. For this reason, fluorescent in situ hybridisation (FISH) is a useful tool for ascertaining the origin of these genomic elements, especially when combined with painting from microdissected B chromosomes. In order to investigate the origin of B chromosomes in the fish species Astyanax paranae, these two approaches were...

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Identifiers

PMID: 24736529
DOI: 10.1371/journal.pone.0094896
PMCID: PMC3988084

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Source receipt: pubmed, retrieved 7 Sept 2026.

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