PMID- 21099206
OWN - NLM
STAT- MEDLINE
DCOM- 20110406
LR  - 20220321
IS  - 1424-859X (Electronic)
IS  - 1424-8581 (Linking)
VI  - 132
IP  - 4
DP  - 2011
TI  - The chromosomal distribution of microsatellite repeats in the genome of the wolf 
      fish Hoplias malabaricus, focusing on the sex chromosomes.
PG  - 289-96
LID - 10.1159/000322058 [doi]
AB  - Distribution of 12 mono-, di- and tri-nucleotide microsatellites on the 
      chromosomes of 2 karyomorphs with 2 distinct sex chromosome systems (a simple 
      XX/XY - karyomorph B and a multiple X(1)X(1)X(2)X(2)/X(1)X(2)Y - karyomorph D) in 
      Hoplias malabaricus, commonly referred to as wolf fish, was studied using their 
      physical mapping with fluorescence in situ hybridization (FISH). The distribution 
      patterns of different microsatellites along the chromosomes varied considerably. 
      Strong hybridization signals were observed at subtelomeric and heterochromatic 
      regions of several autosomes, with a different accumulation on the sex 
      chromosomes. A massive accumulation was found in the heterochromatic region of 
      the X chromosome of karyomorph B, whereas microsatellites were gathered at 
      centromeres of both X chromosomes as well as in corresponding regions of the 
      neo-Y chromosome in karyomorph D. Our findings are likely in agreement with 
      models that predict the accumulation of repetitive DNA sequences in regions with 
      very low recombination. This process is however in contrast with what was 
      observed in multiple systems, where such a reduction might be facilitated by the 
      chromosomal rearrangements that are directly associated with the origin of these 
      systems.
CI  - Copyright (c) 2010 S. Karger AG, Basel.
FAU - Cioffi, M B
AU  - Cioffi MB
AD  - Universidade Federal de Sao Carlos, Departamento de Genetica e Evolucao, Brazil.
FAU - Kejnovsky, E
AU  - Kejnovsky E
FAU - Bertollo, L A C
AU  - Bertollo LA
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
DEP - 20101120
PL  - Switzerland
TA  - Cytogenet Genome Res
JT  - Cytogenetic and genome research
JID - 101142708
SB  - IM
MH  - Animals
MH  - Centromere/genetics
MH  - Chromosome Mapping
MH  - Female
MH  - Fishes/*genetics
MH  - Genome
MH  - In Situ Hybridization, Fluorescence
MH  - Male
MH  - Microsatellite Repeats/*genetics
MH  - Telomere/genetics
MH  - X Chromosome/*genetics
MH  - Y Chromosome/*genetics
EDAT- 2010/11/26 06:00
MHDA- 2011/04/07 06:00
CRDT- 2010/11/25 06:00
PHST- 2010/09/09 00:00 [accepted]
PHST- 2010/11/25 06:00 [entrez]
PHST- 2010/11/26 06:00 [pubmed]
PHST- 2011/04/07 06:00 [medline]
AID - 000322058 [pii]
AID - 10.1159/000322058 [doi]
PST - ppublish
SO  - Cytogenet Genome Res. 2011;132(4):289-96. doi: 10.1159/000322058. Epub 2010 Nov 
      20.