[HTML][HTML] Paramecium Genetics, Genomics, and Evolution

H Long, P Johri, JF Gout, J Ni, Y Hao… - Annual review of …, 2023 - annualreviews.org
The ciliate genus Paramecium served as one of the first model systems in microbial
eukaryotic genetics, contributing much to the early understanding of phenomena as diverse …

Paramecium epigenetics in development and proliferation

F Drews, J Boenigk, M Simon - Journal of Eukaryotic …, 2022 - Wiley Online Library
The term epigenetics is used for any layer of genetic information aside from the DNA base‐
sequence information. Mammalian epigenetic research increased our understanding of …

MITE infestation accommodated by genome editing in the germline genome of the ciliate Blepharisma

BKB Seah, M Singh, C Emmerich… - Proceedings of the …, 2023 - National Acad Sciences
During their development following sexual conjugation, ciliates excise numerous internal
eliminated sequences (IESs) from a copy of the germline genome to produce the functional …

The compact macronuclear genome of the ciliate Halteria grandinella: a transcriptome-like genome with 23,000 nanochromosomes

W Zheng, C Wang, M Lynch, S Gao - MBio, 2021 - Am Soc Microbiol
How to achieve protein diversity by genome and transcriptome processing is essential for
organismal complexity and adaptation. The present work identifies that the macronuclear …

Programmed DNA elimination: silencing genes and repetitive sequences in somatic cells

MV Zagoskin, J Wang - Biochemical Society Transactions, 2021 - portlandpress.com
In a multicellular organism, the genomes of all cells are in general the same. Programmed
DNA elimination is a notable exception to this genome constancy rule. DNA elimination …

GC content, but not nucleosome positioning, directly contributes to intron splicing efficiency in Paramecium

S Gnan, M Matelot, M Weiman, O Arnaiz… - Genome …, 2022 - genome.cshlp.org
Eukaryotic genes are interrupted by introns that must be accurately spliced from mRNA
precursors. With an average length of 25 nt, the more than 90,000 introns of Paramecium …

[HTML][HTML] Somatic genome architecture and molecular evolution are decoupled in “young” linage-specific gene families in ciliates

XX Maurer-Alcalá, A Cote-L'Heureux… - Plos one, 2024 - journals.plos.org
The evolution of lineage-specific gene families remains poorly studied across the eukaryotic
tree of life, with most analyses focusing on the recent evolution of de novo genes in model …

Phenotypic plasticity through disposable genetic adaptation in ciliates

R Verdonck, D Legrand, S Jacob, H Philippe - Trends in Microbiology, 2022 - cell.com
Ciliates have an extraordinary genetic system in which each cell harbors two distinct kinds of
nucleus, a transcriptionally active somatic nucleus and a quiescent germline nucleus. The …

One Cell, Two Gears: Extensive Somatic Genome Plasticity Accompanies High Germline Genome Stability in Paramecium

F Catania, R Rothering, V Vitali - Genome Biology and Evolution, 2021 - academic.oup.com
Mutation accumulation (MA) experiments are conventionally employed to study
spontaneous germline mutations. However, MA experiments can also shed light on somatic …

Transcribed germline-limited coding sequences in Oxytricha trifallax

RV Miller, R Neme, DM Clay, JS Pathmanathan… - G3, 2021 - academic.oup.com
The germline-soma divide is a fundamental distinction in developmental biology, and
different genes are expressed in germline and somatic cells throughout metazoan life …