ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2007
Karyotype diversity and the origin of grapefruit.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 86 citations in OpenAlex.
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- Five Fabaceae Karyotype and Phylogenetic Relationship Analysis Based on Oligo-FISH for 5S rDNA and (AGGenes · 2022Article
- New chromosome number and cyto-molecular characterization of the African Baobab (Adansonia digitata L.) - "The Tree of Life".Scientific reports · 2020Article
- Integrated Karyotypes of Diploid and Tetraploid Carrizo Citrange (Frontiers in plant science · 2020Article
- Genotyping-by-Sequencing Identifies Historical Breeding Stages of the Recently Domesticated American Cranberry.Frontiers in plant science · 2020Article
- Comparative molecular cytogenetic characterization of five wildComparative cytogenetics · 2020Article
- Molecular cytogenetic analysis of genome-specific repetitive elements in Citrus clementina Hort. Ex Tan. and its taxonomic implications.BMC plant biology · 2019Article
- Molecular cytogenetic characterization and phylogenetic analysis of fourComparative cytogenetics · 2019Article
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- Molecular cytogenetic characterization and comparison of the two cultivatedComparative cytogenetics · 2017Article
- Anticancer Potential ofFrontiers in pharmacology · 2017Review
- Genome-scale mRNA and small RNA transcriptomic insights into initiation of citrus apomixis.Journal of experimental botany · 2016Article
- Fluorescence In Situ Hybridization (FISH)-Based Karyotyping Reveals Rapid Evolution of Centromeric and Subtelomeric Repeats in Common Bean (Phaseolus vulgaris) and Relatives.G3 (Bethesda, Md.) · 2016Article
- Fragile Sites of 'Valencia' Sweet Orange (Citrus sinensis) Chromosomes Are Related with Active 45s rDNA.PloS one · 2016Article
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- Next generation haplotyping to decipher nuclear genomic interspecific admixture in Citrus species: analysis of chromosome 2.BMC genetics · 2014Article
- Intraspecific chromosomal and genetic polymorphism in Brassica napus L. detected by cytogenetic and molecular markers.Journal of genetics · 2014Article
- A nuclear phylogenetic analysis: SNPs, indels and SSRs deliver new insights into the relationships in the 'true citrus fruit trees' group (Citrinae, Rutaceae) and the origin of cultivated species.Annals of botany · 2013Article
- Intraspecific polymorphism of ribosomal DNA loci number and morphology in Brachypodium pinnatum and Brachypodium sylvaticum.Cellular & molecular biology letters · 2012Article
- SNP mining in C. clementina BAC end sequences; transferability in the Citrus genus (Rutaceae), phylogenetic inferences and perspectives for genetic mapping.BMC genomics · 2012Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Grapefruit is a group of citrus of recent origin, probably resulting from a cross between pummelo and sweet-orange. Aiming to investigate this putative origin and the genetic variability among grapefruit cultivars, the karyotype of six grapefruits, two pummelos, and one tangelo cultivar (grapefruit x tangerine) were analyzed using sequential CMA/DAPI double staining and FISH with rDNA probes. The karyotypes of grapefruit 'Duncan' and 'Foster' differ from those of 'Flame', 'Henderson', 'Marsh' and 'Rio Red'. The former have two chromosomes with a single CMA(+) band in both terminal regions (C type chromosome) and six chromosomes with only one CMA(+) terminal band (D type), whereas the latter have three C and five D type chromosomes. All accessions investigated exhibited two chromosomes with 5S rDNA but a variable number of 45S rDNA. The two former grapefruits displayed four 45S rDNA sites, whereas the remaining grapefruit cultivars had five. The two pummelos showed identical karyotypes, homozygous for CMA(+) bands and their four rDNA sites. From each pummelo chromosome pair one chromosome seems to be present in grapefruit karyotypes. The different grapefruit karyotypes might result from independent crosses between pummelos of different karyotypic constitution and sweet-oranges. The chromosome markers found in the tangelo 'Orlando' and the position of their two 45S rDNA confirm the grapefruit 'Duncan' and the tangerine 'Dancy' as their parents.
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