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An Insight into the Chromosomal Evolution of Lebiasinidae (Teleostei, Characiformes)
FMC. Sassi, T. Hatanaka, RLR. Moraes, GA. Toma, EA. Oliveira, T. Liehr, P. Rab, LAC. Bertollo, PF. Viana, E. Feldberg, M. Nirchio, MMF. Marinho, JFSE. Souza, MB. Cioffi
Language English Country Switzerland
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
Free Medical Journals
from 2010
PubMed Central
from 2010
Europe PubMed Central
from 2010
ProQuest Central
from 2010-03-01
Open Access Digital Library
from 2010-01-01
Open Access Digital Library
from 2010-01-01
ROAD: Directory of Open Access Scholarly Resources
from 2010
PubMed
32231057
DOI
10.3390/genes11040365
Knihovny.cz E-resources
- MeSH
- Characiformes genetics MeSH
- Chromosomes genetics MeSH
- Genome * MeSH
- Evolution, Molecular * MeSH
- Repetitive Sequences, Nucleic Acid MeSH
- DNA, Ribosomal genetics MeSH
- Fish Proteins genetics MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
Lebiasinidae fishes have been historically neglected by cytogenetical studies. Here we present a genomic comparison in eleven Lebiasinidae species, in addition to a review of the ribosomal DNA sequences distribution in this family. With that, we develop ten sets of experiments in order to hybridize the genomic DNA of representative species from the genus Copeina, Copella, Nannostomus, and Pyrrhulina in metaphase plates of Lebiasina melanoguttata. Two major pathways on the chromosomal evolution of these species can be recognized: (i) conservation of 2n = 36 bi-armed chromosomes in Lebiasininae, as a basal condition, and (ii) high numeric and structural chromosomal rearrangements in Pyrrhulininae, with a notable tendency towards acrocentrization. The ribosomal DNA (rDNA) distribution also revealed a marked differentiation during the chromosomal evolution of Lebiasinidae, since both single and multiple sites, in addition to a wide range of chromosomal locations can be found. With some few exceptions, the terminal position of 18S rDNA appears as a common feature in Lebiasinidae-analyzed species. Altogether with Ctenoluciidae, this pattern can be considered a symplesiomorphism for both families. In addition to the specific repetitive DNA content that characterizes the genome of each particular species, Lebiasina also keeps inter-specific repetitive sequences, thus reinforcing its proposed basal condition in Lebiasinidae.
Facultad de Ciencias Agropecuarias Universidad Técnica de Machala Machala 070151 Ecuador
Institute of Human Genetics University Hospital Jena Jena 07747 Germany
Museu de Zoologia da Universidade de São Paulo São Paulo SP 04263 000 Brazil
Secretaria de Estado de Educação do Mato Grosso SEDUC MT Cuiabá MT 78049 909 Brazil
References provided by Crossref.org
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