ArticleBMC evolutionary biology2016
Cytogenetic relationships among Citrullus species in comparison with some genera of the tribe Benincaseae (Cucurbitaceae) as inferred from rDNA distribution patterns.
Article in BMC evolutionary biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Comparative Analysis of Chromosome Repeat DNA Patterns in FourInternational journal of molecular sciences · 2025Article
- Article
- Chromosomal Localization and Diversity Analysis of 5S and 18S Ribosomal DNA in 13 Species from the GenusGenes · 2024Article
- Article
- Comparative karyotype analysis of eight Cucurbitaceae crops using fluorochrome banding and 45S rDNA-FISH.Comparative cytogenetics · 2023Article
- The Chromosome Number and rDNA Loci Evolution inInternational journal of molecular sciences · 2022Article
- Article
- Five Fabaceae Karyotype and Phylogenetic Relationship Analysis Based on Oligo-FISH for 5S rDNA and (AGGenes · 2022Article
- Karyotypic stability of Fragaria (strawberry) species revealed by cross-species chromosome painting.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021Article
- Variation in Ribosomal DNA in the GenusPlants (Basel, Switzerland) · 2021Article
- Comparative Chromosomal Localization of 45S and 5S rDNA Sites in 76 Purple-Fleshed Sweet Potato Cultivars.Plants (Basel, Switzerland) · 2020Article
- Comparative molecular cytogenetic characterization of five wildComparative cytogenetics · 2020Article
- High-resolution chromosome painting with repetitive and single-copy oligonucleotides in Arachis species identifies structural rearrangements and genome differentiation.BMC plant biology · 2018Article
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9 authors.
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Abstract
backgroundComparative mapping of 5S and 45S rDNA by fluorescent in situ hybridization (FISH) technique is an excellent tool to determine cytogenetic relationships among closely related species.
resultsIn this study, the number and position of 5S and 45S rDNA loci in all Citrullus species and subspecies were determined. The cultivated watermelon (C. lanatus subsp. vulgaris), C. lanatus subsp. mucosospermus, C. colocynthis and C. naudinianus (or Acanthosicyos naudinianus) had two 45S rDNA loci and one 5S rDNA locus which was located syntenic to one of the 45S rDNA loci. C. ecirrhosus and C. lanatus subsp. lanatus had one 45S rDNA locus and two 5S rDNA loci, each located on a different chromosome. C. rehmii had one 5S and one 45S rDNA locus positioned on different chromosomes. The distribution of 5S and 45S rDNA in several species belonging to other genera in Benincaseae tribe was also investigated. The distribution pattern of rDNAs showed a great difference among these species.
conclusionsThe present study confirmed evolutionary closeness among cultivated watermelon (C. lanatus subsp. vulgaris), C. lanatus subsp. mucosospermus and C. colocynthis. Our result also supported that C. lanatus subsp. lanatus was not a wild form of the cultivated watermelon instead was a separate crop species. In addition, present cytogenetic analysis suggested that A. naudinianus was more closely related to Cucumis than to Citrullus or Acanthosicyos, but with a unique position and may be a link bridge between the Citrullus and the Cucumis.
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