PMID- 28123683
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20201001
IS  - 1993-0771 (Print)
IS  - 1993-078X (Electronic)
IS  - 1993-0771 (Linking)
VI  - 10
IP  - 4
DP  - 2016
TI  - Cytogenetic data on Ancistrus sp. (Siluriformes, Loricariidae) of the Paraguay 
      River basin (MS) sheds light on intrageneric karyotype diversification.
PG  - 625-636
LID - 10.3897/CompCytogen.v10i4.8532 [doi]
AB  - Ancistrus Kner, 1854 is a diverse catfish genus, currently comprising 66 valid 
      species, but karyotype data were recorded for 33 species, although only ten have 
      their taxonomic status defined. Considerable karyotype diversity has been found 
      within this genus, with 2n varying from 34 to 54 and structural variability 
      including heteromorphic sex chromosomes. In many cases, uncertainty on the 
      taxonomic status of the study populations hampers reliable interpretation of the 
      complex chromosomal evolutionary history of the group. This study aims to present 
      the first karyotype data for a population of the Ancistrus sp. collected in 
      Criminoso stream (tributary of the Paraguay River Basin, Mato Grosso do Sul, 
      Brazil) in which a combination of different chromosomal markers was used and 
      results integrated in broad discussion on karyotype evolution in the genus. The 
      specimens presented 2n=42 with 18m+16sm+8st and a single NOR revealed by silver 
      nitrate and fluorescence in situ hybridization (FISH) with 18S rDNA probe, 
      located in pair No. 10. Clusters of 5S rDNA were located in the pericentromeric 
      region of three chromosomes: pair No. 1 (metacentric) and one of the homologues 
      of the nucleolar pair No. 10. Heterogeneity in the molecular composition of the 
      heterochromatin was confirmed by the association of C-banding and fluorochrome 
      CMA(3)/DAPI-staining. Exploring the differential composition of constitutive 
      heterochromatin in Ancistrus may provide an important perspective to understand 
      genome organization and evolution within this group. Our data reinforce the 
      chromosomal diversity present in Ancistrus genus and we discuss the potential 
      sources these variation. The karyotype structure of Ancistrus sp. "Criminoso 
      stream" appears to be consistent with the existence of a new candidate species.
FAU - Prizon, Ana Camila
AU  - Prizon AC
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Borin-Carvalho, Luciana Andreia
AU  - Borin-Carvalho LA
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Bruschi, Daniel Pacheco
AU  - Bruschi DP
AD  - Departamento de Genetica, Universidade Federal do Parana, UFPR, Centro 
      Politecnico, Jardim Botanico, 81531-980, Curitiba, Parana, Brazil.
FAU - Ribeiro, Marcos Otavio
AU  - Ribeiro MO
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Barbosa, Ligia Magrinelli
AU  - Barbosa LM
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Ferreira, Greicy Ellen de Brito
AU  - Ferreira GE
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Cius, Andrea
AU  - Cius A
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Zawadzki, Claudio Henrique
AU  - Zawadzki CH
AD  - Departamento de Biologia/ Nupelia, Universidade Estadual de Maringa, UEM, Avenida 
      Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
FAU - Portela-Castro, Ana Luiza de Brito
AU  - Portela-Castro AL
AD  - Departamento de Biotecnologia, Genetica e Biologia Celular, Universidade Estadual 
      de Maringa, UEM, Avenida Colombo, 5790, 87020-900, Maringa, Parana, Brazil.
LA  - eng
PT  - Journal Article
DEP - 20161122
PL  - Bulgaria
TA  - Comp Cytogenet
JT  - Comparative cytogenetics
JID - 101503807
PMC - PMC5240514
OTO - NOTNLM
OT  - Ancistrini
OT  - CMA3/DAPI
OT  - cytotaxonomy
OT  - heterochromatin
OT  - rDNA
EDAT- 2017/01/27 06:00
MHDA- 2017/01/27 06:01
PMCR- 2016/11/22
CRDT- 2017/01/27 06:00
PHST- 2016/03/17 00:00 [received]
PHST- 2016/10/17 00:00 [accepted]
PHST- 2017/01/27 06:00 [entrez]
PHST- 2017/01/27 06:00 [pubmed]
PHST- 2017/01/27 06:01 [medline]
PHST- 2016/11/22 00:00 [pmc-release]
AID - 10.3897/CompCytogen.v10i4.8532 [doi]
PST - epublish
SO  - Comp Cytogenet. 2016 Nov 22;10(4):625-636. doi: 10.3897/CompCytogen.v10i4.8532. 
      eCollection 2016.