ArticleMolecular genetics and genomics : MGG2017
Tandem repeats of Allium fistulosum associated with major chromosomal landmarks.
Article in Molecular genetics and genomics : MGG, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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25 citing papers in PubMed, 38 citations in OpenAlex.
- Review
- A Deep Dive into Allium Satellite DNAs: Expansion and Characterization of theInternational journal of molecular sciences · 2026Article
- The Control of the Crossover Localization in Allium.International journal of molecular sciences · 2023Article
- Genome-wide analysis of transposable elements and satellite DNA inFrontiers in plant science · 2023Article
- A Pipeline NanoTRF as a New Tool forPlants (Basel, Switzerland) · 2022Article
- Development and applications of a collection of single copy gene-based cytogenetic DNA markers in garden asparagus.Frontiers in plant science · 2022Article
- Primer Binding Site (PBS) Profiling of Genetic Diversity of Natural Populations of Endemic SpeciesBiotech (Basel (Switzerland)) · 2021Article
- Asymmetrical canina meiosis is accompanied by the expansion of a pericentromeric satellite in non-recombining univalent chromosomes in the genus Rosa.Annals of botany · 2020Article
- Article
- Characterization of Satellite DNAs in Squirrel Monkeys genus Saimiri (Cebidae, Platyrrhini).Scientific reports · 2020Article
- Omics approaches inPeerJ · 2020Article
- FunctionalFrontiers in plant science · 2020Article
- Artificial Chromosome Doubling in AllotetraploidFrontiers in plant science · 2020Article
- Identification and characterization of abundant repetitive sequences in Allium cepa.Scientific reports · 2019Article
- 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
- Comparative Tyramide-FISH mapping of the genes controlling flavor and bulb color in Allium species revealed an altered gene order.Scientific reports · 2019Article
- Heterochromatin evolution in Arachis investigated through genome-wide analysis of repetitive DNA.Planta · 2019Article
- Characterization of repeated DNA sequences in genomes of blue-flowered flax.BMC evolutionary biology · 2019Article
- Comparative Dissection of Three Giant Genomes:International journal of molecular sciences · 2019Article
- Pipeline for the Rapid Development of Cytogenetic Markers Using Genomic Data of Related Species.Genes · 2019Article
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Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tandem repeats are often associated with important chromosomal landmarks, such as centromeres, telomeres, subtelomeric, and other heterochromatic regions, and can be good candidates for molecular cytogenetic markers. Tandem repeats present in many plant species demonstrate dramatic differences in unit length, proportion in the genome, and chromosomal organization. Members of genus Allium with their large genomes represent a challenging task for current genetics. Using the next generation sequencing data, molecular, and cytogenetic methods, we discovered two tandemly organized repeats in the Allium fistulosum genome (2n = 2C = 16), HAT58 and CAT36. Together, these repeats comprise 0.25% of the bunching onion genome with 160,000 copies/1 C of HAT58 and 93,000 copies/1 C of CAT36. Fluorescent in situ hybridization (FISH) and C-banding showed that HAT58 and CAT36 associated with the interstitial and pericentromeric heterochromatin of the A. fistulosum chromosomes 5, 6, 7, and 8. FISH with HAT58 and CAT36 performed on A. cepa (2n = 2C = 16) and A. wakegi (2n = 2C = 16), a natural allodiploid hybrid between A. fistulosum and A. cepa, revealed that these repeats are species specific and produced specific hybridization patterns only on A. fistulosum chromosomes. Thus, the markers can be used in interspecific breeding programs for monitoring of alien genetic material. We applied Non-denaturing FISH that allowed detection of the repeat bearing chromosomes within 3 h. A polymorphism of the HAT58 chromosome location was observed. This finding suggests that the rapid evolution of the HAT58 repeat is still ongoing.
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