Intragenomic rDNA variation-the product of concerted evolution, mutation, or something in between?

W Wang, X Zhang, S Garcia, AR Leitch, A Kovařík - Heredity, 2023 - nature.com
The classical model of concerted evolution states that hundreds to thousands of ribosomal
DNA (rDNA) units undergo homogenization, making the multiple copies of the individual …

Personal perspectives on plant ribosomal RNA genes research: from precursor-rRNA to molecular evolution

V Hemleben, D Grierson, N Borisjuk… - Frontiers in Plant …, 2021 - frontiersin.org
The history of rDNA research started almost 90 years ago when the geneticist, Barbara
McClintock observed that in interphase nuclei of maize the nucleolus was formed in …

Ancient Origin of Two 5S rDNA Families Dominating in the Genus Rosa and Their Behavior in the Canina-Type Meiosis

R Vozárová, V Herklotz, A Kovařík… - Frontiers in Plant …, 2021 - frontiersin.org
The genus Rosa comprises more than 100 woody species characterized by intensive
hybridization, introgression, and an overall complex evolutionary history. Besides many …

5S‐IGS rDNA in wind‐pollinated trees (Fagus L.) encapsulates 55 million years of reticulate evolution and hybrid origins of modern species

S Cardoni, R Piredda, T Denk, GW Grimm… - The Plant …, 2022 - Wiley Online Library
Standard models of plant speciation assume strictly dichotomous genealogies in which a
species, the ancestor, is replaced by two offspring species. The reality in wind‐pollinated …

5S Ribosomal DNA of Genus Solanum: Molecular Organization, Evolution, and Taxonomy

YO Tynkevich, AY Shelyfist, LV Kozub… - Frontiers in Plant …, 2022 - frontiersin.org
The Solanum genus, being one of the largest among high plants, is distributed worldwide
and comprises about 1,200 species. The genus includes numerous agronomically important …

Large-scale comparative analysis of cytogenetic markers across Lepidoptera

I Provazníková, M Hejníčková, S Visser, M Dalíková… - Scientific reports, 2021 - nature.com
Fluorescence in situ hybridization (FISH) allows identification of particular chromosomes
and their rearrangements. Using FISH with signal enhancement via antibody amplification …

The Ribosomal DNA Loci of the Ancient Monocot Pistia stratiotes L. (Araceae) Contain Different Variants of the 35S and 5S Ribosomal RNA Gene Units

A Stepanenko, G Chen, PTN Hoang, J Fuchs… - Frontiers in Plant …, 2022 - frontiersin.org
The freshwater plant water lettuce (Pistia stratiotes L.) grows in warm climatic zones and is
used for phytoremediation and biomass production. P. stratiotes belongs to the Araceae, an …

The Evolution of Cytogenetic Traits in Cuscuta (Convolvulaceae), the Genus With the Most Diverse Chromosomes in Angiosperms

A Ibiapino, MA García, B Amorim, M Baez… - Frontiers in Plant …, 2022 - frontiersin.org
Karyotypes are characterized by traits such as chromosome number, which can change
through whole-genome duplication and dysploidy. In the parasitic plant genus Cuscuta …

Molecular Organization of 5S Ribosomal DNА of Deschapmpsia antarctica

OO Ishchenko, ІІ Panchuk, ІO Andreev, VA Kunakh… - Cytology and …, 2018 - Springer
Deschampsіa antarctіca, one of the two angiosperm species growing in the extreme
conditions of Antarctica, is a unique model for studying the relationship between genetic …

5S ribosomal DNA in the family Plumbaginaceae

YO Tynkevich, MO Valin, II Moysiyenko, II Panchuk… - Cytology and …, 2023 - Springer
Tandemly arranged repetitive regions (repeats) that encode 5S rRNA (5S rDNA) are an
indispensable component of eukaryotic genomes. Typically, 5S rDNA repeats within a …