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 …

Telomere organization and the interstitial telomeric sites involvement in insects and vertebrates chromosome evolution

MR Vicari, DP Bruschi, DC Cabral-de-Mello… - … and Molecular Biology, 2022 - SciELO Brasil
Telomere has a central role in chromosomal stability events. Chromosome ends organized
in telomere-loop prevent activation of DNA damage response (DDR) mechanisms, thus …

Bovine telomere dynamics and the association between telomere length and productive lifespan

LA Seeker, JJ Ilska, A Psifidi, RV Wilbourn… - Scientific Reports, 2018 - nature.com
Average telomere length (TL) in blood cells has been shown to decline with age in a range
of vertebrate species, and there is evidence that TL is a heritable trait associated with late …

[HTML][HTML] Comparative analysis of chromosome numbers and sex chromosome systems in Paraneoptera (Insecta)

VG Kuznetsova, IA Gavrilov-Zimin… - Comparative …, 2021 - ncbi.nlm.nih.gov
This article is part (the 4 th article) of the themed issue (a monograph)“Aberrant cytogenetic
and reproductive patterns in the evolution of Paraneoptera”. The purpose of this article is to …

Effects of hTERT transfection on the telomere and telomerase of Periplaneta americana cells in vitro

C Ma, X Li, W Ding, X Zhang, H Chen, Y Feng - AMB Express, 2023 - Springer
Telomere and telomerase are crucial factors in cell division and chromosome stability.
Telomerase activity in most cells depends on the transcription control by the telomerase …

Chromosomal distribution of interstitial telomeric sequences as signs of evolution through chromosome fusion in six species of the giant water bugs (Hemiptera …

MG Chirino, M Dalíková, FR Marec… - Ecology and …, 2017 - Wiley Online Library
Tandem arrays of TTAGG repeats show a highly conserved location at the telomeres across
the phylogenetic tree of arthropods. In giant water bugs Belostoma, the chromosome …

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 …

Long-lived termite kings and queens activate telomerase in somatic organs

J Koubová, M Pangrácová… - … of the Royal …, 2021 - royalsocietypublishing.org
Kings and queens of termites, like queens of other advanced eusocial insects, are endowed
with admirable longevity, which dramatically exceeds the life expectancies of their non …

[HTML][HTML] Introduction to the study of chromosomal and reproductive patterns in Paraneoptera

IA Gavrilov-Zimin, SM Grozeva, DA Gapon… - Comparative …, 2021 - ncbi.nlm.nih.gov
This paper opens the themed issue (a monograph)“Aberrant cytogenetic and reproductive
patterns in the evolution of Paraneoptera”, prepared by a Russian-Bulgarian research team …