ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology1997
Comparative analysis on the distribution of heterochromatin in Citrus, Poncirus and Fortunella chromosomes.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Fragile Sites of 'Valencia' Sweet Orange (Citrus sinensis) Chromosomes Are Related with Active 45s rDNA.PloS one · 2016Article
- Citrus breeding, genetics and genomics in Japan.Breeding science · 2016Review
- Comparative analysis of heterochromatin distribution in wild and cultivated Abelmoschus species based on fluorescent staining methods.Protoplasma · 2015Article
- Heterochromatin characterization through differential fluorophore binding pattern in some species of Vigna Savi.Protoplasma · 2015Article
- The evolution of CMA bands in Citrus and related genera.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2010Article
- Karyotype diversity and the origin of grapefruit.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2007Article
- GISH, AFLP and PCR-RFLP analysis of an intergeneric somatic hybrid combining Goutou sour orange and Poncirus trifoliata.Plant cell reports · 2004Article
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5 authors.
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Abstract
Double fluorochrome staining with chromomycin A3 (CMA) and 4'-6-diamidino-2-phenylindole (DAPI) was used to characterize and compare the distribution of constitutive heterochromatin along chromosomes of Citrus, Poncirus and Fortunella species. Only CMA-positive bands were distinguishable in metaphase chromosomes. Preferential distribution of heterochromatin in terminal regions, mainly of the long arm, and centromeric regions of a few long chromosomes was a common feature of these genera. Heteromorphism between possible homologous chromosomes was present in the majority of species. Citrus and Poncirus revealed some remarkably uniform chromosomes without any intensively fluorescing region, whereas Fortunella cultivars were differentiated by the presence of CMA bands in all chromosomes. Through measurements assisted by a computer, amounts of CMA-positive regions were shown to be highest in Fortunella. Similarities between Citrus and Poncirus suggest little heterochromatin diversification among karyotypes of these genera, whereas Fortunella, with higher amounts and more homogenous distribution of heterochromatin, is more divergent.
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