Origins of DNA replication in eukaryotes

Y Hu, B Stillman - Molecular cell, 2023 - cell.com
Errors occurring during DNA replication can result in inaccurate replication, incomplete
replication, or re-replication, resulting in genome instability that can lead to diseases such as …

Kinetochore architecture employs diverse linker strategies across evolution

S Sridhar, T Fukagawa - Frontiers in Cell and Developmental Biology, 2022 - frontiersin.org
The assembly of a functional kinetochore on centromeric chromatin is necessary to connect
chromosomes to the mitotic spindle, ensuring accurate chromosome segregation. This …

Composition and organization of kinetochores show plasticity in apicomplexan chromosome segregation

L Brusini, N Dos Santos Pacheco, EC Tromer… - Journal of Cell …, 2022 - rupress.org
Kinetochores are multiprotein assemblies directing mitotic spindle attachment and
chromosome segregation. In apicomplexan parasites, most known kinetochore components …

Extreme mitochondrial reduction in a novel group of free-living metamonads

SK Williams, J Jerlström Hultqvist, Y Eglit… - Nature …, 2024 - nature.com
Metamonads are a diverse group of heterotrophic microbial eukaryotes adapted to living in
hypoxic environments. All metamonads but one harbour metabolically altered …

[HTML][HTML] Plasticity in centromere organization and kinetochore composition: Lessons from diversity

M Ishii, B Akiyoshi - Current opinion in cell biology, 2022 - Elsevier
Kinetochores are the macromolecular protein complexes that govern chromosome
movement by binding spindle microtubules during mitosis and meiosis. Centromeres are the …

Contrasting outcomes of genome reduction in mikrocytids and microsporidians

V Žárský, A Karnkowska, V Boscaro, M Trznadel… - BMC biology, 2023 - Springer
Background Intracellular symbionts often undergo genome reduction, losing both coding
and non-coding DNA in a process that ultimately produces small, gene-dense genomes with …

Genomics of preaxostyla flagellates illuminates the path towards the loss of mitochondria

LVF Novák, SC Treitli, J Pyrih, P Hałakuc… - Plos …, 2023 - journals.plos.org
The notion that mitochondria cannot be lost was shattered with the report of an oxymonad
Monocercomonoides exilis, the first eukaryote arguably without any mitochondrion. Yet …

Massive intein content in Anaeramoeba reveals aspects of intein mobility in eukaryotes

L Gallot-Lavallée… - Proceedings of the …, 2023 - National Acad Sciences
Inteins are self-splicing protein elements found in viruses and all three domains of life. How
the DNA encoding these selfish elements spreads within and between genomes is poorly …

A unique symbiosome in an anaerobic single-celled eukaryote

J Jerlström-Hultqvist, L Gallot-Lavallée… - Nature …, 2024 - nature.com
Symbiotic relationships between eukaryotes and prokaryotes played pivotal roles in the
evolution of life and drove the emergence of specialized symbiotic structures in animals …

Cell cycle regulation has shaped budding yeast replication origin structure and function

CT Lim, TCR Miller, KW Tan, S Talele, A Early, P East… - bioRxiv, 2024 - biorxiv.org
Eukaryotic DNA replication initiates from multiple genomic loci known as origins. At budding
yeast origins like ARS1, a double hexamer (DH) of the MCM replicative helicase is …