Document Detail

Karyological study of Amphisbaena ridleyi (Squamata, Amphisbaenidae), an endemic species of the Archipelago of Fernando de Noronha, Pernambuco, Brazil.
MedLine Citation:
PMID:  21637605     Owner:  NLM     Status:  PubMed-not-MEDLINE    
The karyotype of Amphisbaena ridleyi, an endemic species of the archipelago of Fernando de Noronha, in State of Pernambuco, Brazil, is described after conventional staining, Ag-NOR impregnation and fluorescence in situ hybridization (FISH) with a telomeric probe. The diploid number is 46, with nine pairs of macrochromosomes (three metacentrics, four subtelocentrics and two acrocentrics) and 14 pairs of microchromosomes. The Ag-NOR is located in the telomeric region of the long arm of metacentric chromosome 2 and FISH revealed signals only in the telomeric region of all chromosomes. Further cytogenetic data on other amphisbaenians as well as a robust phylogenetic hypothesis of this clade is needed in order to understand the evolutionary changes on amphisbaenian karyotypes.
Marcia Maria Laguna; Renata Cecília Amaro; Tamí Mott; Yatiyo Yonenaga-Yassuda; Miguel Trefaut Rodrigues
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Publication Detail:
Type:  Journal Article     Date:  2010-03-01
Journal Detail:
Title:  Genetics and molecular biology     Volume:  33     ISSN:  1678-4685     ISO Abbreviation:  Genet. Mol. Biol.     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2011-06-03     Completed Date:  2011-07-14     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  100883590     Medline TA:  Genet Mol Biol     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  57-61     Citation Subset:  -    
Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP Brazil.
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