ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology1998
Molecular cytogenetic analysis of heterochromatin in the chromosomes of tilapia, Oreochromis niloticus (Teleostei: Cichlidae).
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 69 citations in OpenAlex.
- Cytogenetics of Neotropical fishes: Patterns, advances and prospects after five decades of research.Genetics and molecular biology · 2026Article
- Origin of a Giant Sex Chromosome.Molecular biology and evolution · 2021Article
- Adaptive Radiation from a Chromosomal Perspective: Evidence of Chromosome Set Stability in Cichlid Fishes (Cichlidae: Teleostei) from the Barombi Mbo Lake, Cameroon.International journal of molecular sciences · 2019Article
- Heterochromatin Reduction Correlates with the Increase of the KDM4B and KDM6A Demethylases and the Expression of Pericentromeric DNA during the Acquisition of a Transformed Phenotype.Journal of Cancer · 2017Article
- Comparative analysis of a sex chromosome from the blackchin tilapia, Sarotherodon melanotheron.BMC genomics · 2016Article
- Structure and decay of a proto-Y region in Tilapia, Oreochromis niloticus.BMC genomics · 2014Article
- Chromosomal mapping of microsatellite repeats in the rock bream fish Oplegnathus fasciatus, with emphasis of their distribution in the neo-Y chromosome.Molecular cytogenetics · 2013Article
- Evolutionary dynamics of rRNA gene clusters in cichlid fish.BMC evolutionary biology · 2012Article
- Identifications of captive and wild tilapia species existing in Hawaii by mitochondrial DNA control region sequence.PloS one · 2012Article
- Tol2-mediated transgenesis in tilapia (Oreochromis niloticus).Aquaculture (Amsterdam, Netherlands) · 2011Article
- Identification of two new repetitive elements and chromosomal mapping of repetitive DNA sequences in the fish Gymnothorax unicolor (Anguilliformes: Muraenidae).European journal of histochemistry : EJH · 2011Article
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- Characterisation of the chromosome fusions in Oreochromis karongae.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2010Article
- Identification of repetitive elements in the genome of Oreochromis niloticus: tilapia repeat masker.Marine biotechnology (New York, N.Y.) · 2010Article
- Chromosome evolution in African cichlid fish: contributions from the physical mapping of repeated DNAs.Cytogenetic and genome research · 2010Article
- Comparative chromosome mapping of repetitive sequences. Implications for genomic evolution in the fish, Hoplias malabaricus.BMC genetics · 2009Article
- Article
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2 authors at 1 institution in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The structure of the heterochromatic bands in mitotic chromosomes of the important tropical aquaculture species of tilapia, Oreochromis niloticus, was investigated by the combination of the C-banding technique, chromosomal digestion with two restriction endonucleases and fluorescence in situ hybridization (FISH) of two satellite DNAs (SATA and SATB). The tilapia chromosomes presented heterochromatic bands in the centromeres and in the short arms of almost all chromosomes that were differentially digested by the restriction endonucleases HaeIII and EcoRI. FISH of SATA showed that this satellite sequence is distributed in the centromeric region of all chromosomes of tilapia. FISH also revealed an intense hybridization signal for SATB in only one chromosome pair, but less intense signals were also present in several other pairs. The digestion of tilapia chromosomes by HaeIII and EcoRI was positively correlated with the position of SATA and SATB in chromosomes as revealed by FISH. The results obtained may be useful in future molecular and genetic studies of tilapias.
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