ArticleComparative cytogenetics2015
Ribosomal DNA clusters and telomeric (TTAGG)n repeats in blue butterflies (Lepidoptera, Lycaenidae) with low and high chromosome numbers.
Article in Comparative cytogenetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 39 citations in OpenAlex.
- Polyommatine Blue Butterflies Reveal Unexpected Integrity of the W Sex Chromosome Amid Extensive Chromosomal Fragmentation Linked to Telomere Restoration.Genome biology and evolution · 2025Article
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- The Role of Repetitive Sequences in Repatterning of Major Ribosomal DNA Clusters in Lepidoptera.Genome biology and evolution · 2023Article
- Cytogenetic Analysis in Trigona spinipes Fabricius (Hymenoptera, Meliponina) Reveals Intraspecific Variation.Neotropical entomology · 2021Article
- Large-scale comparative analysis of cytogenetic markers across Lepidoptera.Scientific reports · 2021Article
- Chromosomal and DNA barcode analysis of theComparative cytogenetics · 2021Article
- TheFrontiers in genetics · 2020Article
- Article
- Karyotype reinvestigation does not confirm the presence of two cryptic species and interspecific hybridization in theComparative cytogenetics · 2019Article
- Karyotype of Polyommatus (Agrodiaetus) eriwanensis Forster, 1960 and taxonomic position of P. (A.) interjectus de Lesse, 1960 (Lepidoptera, Lycaenidae).Comparative cytogenetics · 2019Article
- Two types of highly ordered micro- and macrochromosome arrangement in metaphase plates of butterflies (Lepidoptera).Comparative cytogenetics · 2019Article
- Comparative cytogenetics and derived phylogenic relationship amongComparative cytogenetics · 2018Article
- Evolutionary mechanisms of runaway chromosome number change in Agrodiaetus butterflies.Scientific reports · 2017Article
- A new butterfly species from south Russia revealed through chromosomal and molecular analysis of the Polyommatus (Agrodiaetus) damonides complex (Lepidoptera, Lycaenidae).Comparative cytogenetics · 2017Article
- Comparative analysis of chromosomes in the Palaearctic bush-crickets of tribe Pholidopterini (Orthoptera, Tettigoniinae).Comparative cytogenetics · 2017Article
- Multifaceted biological insights from a draft genome sequence of the tobacco hornworm moth, Manduca sexta.Insect biochemistry and molecular biology · 2016Article
- Chromosomal and mitochondrial diversity inComparative cytogenetics · 2016Article
- Karyosystematics and molecular taxonomy of the anomalous blue butterflies (Lepidoptera, Lycaenidae) from the Balkan Peninsula.Comparative cytogenetics · 2016Article
- Karyotype stability in the family Issidae (Hemiptera, Auchenorrhyncha) revealed by chromosome techniques and FISH with telomeric (TTAGG)Comparative cytogenetics · 2016Article
- Variability of 18rDNA loci in four lace bug species (Hemiptera, Tingidae) with the same chromosome number.Comparative cytogenetics · 2015Article
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3 authors at 1 institution in 1 country.
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Abstract
Ribosomal DNA clusters and telomeric repeats are important parts of eukaryotic genome. However, little is known about their organization and localization in karyotypes of organisms with holocentric chromosomes. Here we present first cytogenetic study of these molecular structures in seven blue butterflies of the genus Polyommatus Latreille, 1804 with low and high chromosome numbers (from n=10 to n=ca.108) using fluorescence in situ hybridization (FISH) with 18S rDNA and (TTAGG) n telomeric probes. FISH with the 18S rDNA probe showed the presence of two different variants of the location of major rDNA clusters in Polyommatus species: with one or two rDNA-carrying chromosomes in haploid karyotype. We discuss evolutionary trends and possible mechanisms of changes in the number of ribosomal clusters. We also demonstrate that Polyommatus species have the classical insect (TTAGG) n telomere organization. This chromosome end protection mechanism probably originated de novo in small chromosomes that evolved via fragmentations.
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