Telomerase lost?

JM Mason, TA Randall, R Capkova Frydrychova - Chromosoma, 2016 - Springer
Telomerase and telomerase-generated telomeric DNA sequences are widespread
throughout eukaryotes, yet they are not universal. Neither telomerase nor the simple DNA …

Telomere structure in insects: A review

V Kuznetsova, S Grozeva… - Journal of Zoological …, 2020 - Wiley Online Library
Telomeres are terminal regions of chromosomes, which protect them from fusion with other
chromosomes and stabilize their structure. Telomeres usually contain specific DNA repeats …

The roles of barriers, refugia, and chromosomal clines underlying diversification in Atlantic Forest social wasps

RST Menezes, SG Brady, AF Carvalho, MA Del Lama… - Scientific reports, 2017 - nature.com
Phylogeographic studies have sought to explain the genetic imprints of historical climatic
changes and geographic barriers within the Brazilian Atlantic Forest (AF) biota, and …

Repetitive DNAs in Melipona scutellaris (Hymenoptera: Apidae: Meliponidae): chromosomal distribution and test of multiple heterochromatin amplification in the …

MCA Piccoli, VB Bardella, DC Cabral-de-Mello - Apidologie, 2018 - Springer
Melipona bees are remarkable due to the high contrast in heterochromatin amounts, making
this group interesting for studying repetitive DNA amplification. Here, we performed the first …

The relevance of chromosome fissions for major ribosomal DNA dispersion in hymenopteran insects

RST Menezes, DC Cabral‐de‐Mello… - Journal of …, 2021 - academic.oup.com
Ribosomal DNA (rDNA) loci are essential for cellular metabolism due to their participation in
ribosome biogenesis. Although these genes have been widely cytogenetically mapped, the …

Distribution of 18S rDNA sites and absence of the canonical TTAGG insect telomeric repeat in parasitoid Hymenoptera

VE Gokhman, BA Anokhin, VG Kuznetsova - Genetica, 2014 - Springer
Karyotypes of six species belonging to three main clades of parasitoid Hymenoptera, the
superfamilies Ichneumonoidea (Ichneumonidae: Ichneumon amphibolus), Cynipoidea …

Karyotype diversity and chromosomal organization of repetitive DNA in Tityus obscurus (Scorpiones, Buthidae)

BRR Almeida, SSR Milhomem-Paixão, RCR Noronha… - BMC genetics, 2017 - Springer
Background Holocentric chromosomes occur in approximately 750 species of eukaryotes.
Among them, the genus Tityus (Scorpiones, Buthidae) has a labile karyotype that shows …

First record of a B chromosome in Polybia fastidiosuscula Saussure (Vespidae) and investigation of chromatin composition through microsatellite mapping

P Marchioro, LAO Campos, DM Lopes - Cytogenetic and Genome …, 2020 - karger.com
The characterization of karyotypes is an important aspect in understanding the structure and
evolution of genomes. Polybia is a genus of social wasps of the family Vespidae. This genus …

[HTML][HTML] Molecular phylogenetic reconstruction and localization of the (TTAGG) n telomeric repeats in the chromosomes of Acromyrmex striatus (Roger, 1863) …

TTP Pereira, ACCC Dos Reis, DC Cardoso… - Comparative …, 2018 - ncbi.nlm.nih.gov
Chromosome counts and karyotype characterization have proved to be important features of
a genome. Chromosome changes during the diversification of ants might play an important …

[HTML][HTML] Structure and Evolution of Ribosomal Genes of Insect Chromosomes

VE Gokhman, VG Kuznetsova - Insects, 2024 - mdpi.com
Simple Summary The class Insecta constitutes the largest group of terrestrial animals, with
more than a million described species. As in all other animals, insect genomes contain …