ArticlePlanta2017
Organization and evolution of four differentially amplified tandem repeats in the Cucumis hystrix genome.
Article in Planta, 2017. 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.
- Cytotype classification and genetic diversity of Platostoma palustre revealed by rDNA localization and chloroplast genome.BMC genomics · 2025Article
- Cyto-molecular characterization of rDNA and chromatin composition in the NOR-associated satellite in Chestnut (Castanea spp.).Scientific reports · 2024Article
- Comparative Chromosomal Localization of 45S and 5S rDNA Sites in 76 Purple-Fleshed Sweet Potato Cultivars.Plants (Basel, Switzerland) · 2020Article
- Comparative Analysis between Wild and Cultivated Cucumbers Reveals Transcriptional Changes during Domestication Process.Plants (Basel, Switzerland) · 2020Article
- Fluorescence in situ hybridization in plants: recent developments and future applications.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2019Review
- Pipeline for the Rapid Development of Cytogenetic Markers Using Genomic Data of Related Species.Genes · 2019Article
- The Repetitive DNA Composition in the Natural Pesticide ProducerFrontiers in plant science · 2019Article
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Authors and funding
7 authors.
Funding
Abstract
MAIN
conclusionThree subtelomeric satellites and one interstitial 5S rDNA were characterized in Cucumis hystrix, and the pericentromeric signals of two C. hystrix subtelomeric satellites along C. sativus chromosomes supported the hypothesis of chromosome fusion in Cucumis. Tandem repeats are chromosome structural fractions consisting of highly repetitive sequences organized in large tandem arrays in most eukaryotes. Differentiation of tandem repeats directly affects the chromosome structure, which contributes to species formation and evolution. Cucumis hystrix (2n = 2x = 24) is the only wild Cucumis species grouped into the same subgenus with C. sativus (2n = 2x = 14), hence its phylogenetic position confers a vital role for C. hystrix to understand the chromosome evolution in Cucumis. However, our knowledge of C. hystrix tandem repeats is insufficient for a detailed understanding of the chromosome evolution in Cucumis. Based on de novo tandem repeat characterization using bioinformatics and in situ hybridization (ISH), we identified and characterized four differentially amplified tandem repeats, Cucumis hystrix satellite 1-3 (CuhySat1-CuhySat3) located at the subtelomeric regions of all chromosomes, and Cucumis hystrix 5S (Cuhy5S) located at the interstitial regions of one single chromosome pair. Comparative ISH mapping using CuhySat1-3 and Cuhy5S revealed high homology of tandem repeats between C. hystrix and C. sativus. Intriguingly, we found signal distribution variations of CuhySat2 and CuhySat3 on C. sativus chromosomes. In comparison to their subtelomeric signal distribution on C. hystrix chromosomes, CuhySat3 showed a pericentromeric signal distribution and CuhySat2 showed both subtelomeric and pericentromeric signal distributions on C. sativus chromosomes. This detailed characterization of four C. hystrix tandem repeats significantly widens our knowledge of the C. hystrix chromosome structure, and the observed signal distribution variations will be helpful for understanding the chromosome evolution of Cucumis.
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