B chromosome dynamics in Prochilodus costatus (Teleostei, Characiformes) and comparisons with supernumerary chromosome system in other Prochilodus species.

Content Provider	Europe PMC
Author	Melo, Silvana Utsunomia, Ricardo Penitente, Manolo Sobrinho-Scudeler, Patrícia Elda Porto-Foresti, Fábio Oliveira, Claudio Foresti, Fausto Dergam, Jorge Abdala
Abstract	AbstractWithin the genus Prochilodus Agassiz, 1829, five species are known to carry B chromosomes, i.e. chromosomes beyond the usual diploid number that have been traditionally considered as accessory for the genome. Chromosome microdissection and mapping of repetitive DNA sequences are effective tools to assess the DNA content and allow a better understanding about the origin and composition of these elements in an array of species. In this study, a novel characterization of B chromosomes in Prochilodus costatus Valenciennes, 1850 (2n=54) was reported for the first time and their sequence complementarity with the supernumerary chromosomes observed in Prochilodus lineatus (Valenciennes, 1836) and Prochilodus argenteus Agassiz, 1829 was investigated. The hybridization patterns obtained with chromosome painting using the micro B probe of P. costatus and the satDNA SATH1 mapping made it possible to assume homology of sequences between the B chromosomes of these congeneric species. Our results suggest that the origin of B chromosomes in the genus Prochilodus is a phylogenetically old event.
Related Links	https://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC5596993&blobtype=pdf
ISSN	19930771
Journal	Comparative Cytogenetics [Comp Cytogenet]
Volume Number	11
PubMed Central reference number	PMC5596993
Issue Number	2
PubMed reference number	28919971
e-ISSN	1993078X
DOI	10.3897/compcytogen.v11i2.12784
Language	English
Publisher	Pensoft Publishers
Publisher Date	2017-06-01
Access Restriction	Open
Rights License	This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Silvana Melo, Ricardo Utsunomia, Manolo Penitente, Patrícia Elda Sobrinho-Scudeler, Fábio Porto-Foresti, Claudio Oliveira, Fausto Foresti, Jorge Abdala Dergam
Subject Keyword	additional chromosomes genome Prochilodontidae
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Animal Science and Zoology Biotechnology Insect Science