[HTML][HTML] Deviating from the norm: Nuclear organisation in trypanosomes

MC Field - Current Opinion in Cell Biology, 2023 - Elsevier
At first glance the nucleus is a highly conserved organelle. Overall nuclear morphology, the
octagonal nuclear pore complex, the presence of peripheral heterochromatin and the …

[HTML][HTML] “Reading” a new chapter in protozoan parasite transcriptional regulation

K Fleck, M Nitz, V Jeffers - PLoS Pathogens, 2021 - journals.plos.org
Protozoan parasites continue to cause a significant health and economic burden worldwide.
As infectious organisms, they pose unique and difficult challenges due to a level of …

[HTML][HTML] Protein Lactylation Critically Regulates Energy Metabolism in the Protozoan Parasite Trypanosoma brucei

N Zhang, N Jiang, L Yu, T Guan, X Sang… - Frontiers in Cell and …, 2021 - frontiersin.org
Lysine lactylation has been recognized as a novel post-translational modification occurring
on histones. However, lactylation in non-histone proteins, especially in proteins of early …

Histone divergence in trypanosomes results in unique alterations to nucleosome structure

G Deák, H Wapenaar, G Sandoval, R Chen… - Nucleic Acids …, 2023 - academic.oup.com
Eukaryotes have a multitude of diverse mechanisms for organising and using their
genomes, but the histones that make up chromatin are highly conserved. Unusually …

[HTML][HTML] Plasmodium falciparum gametocytes display global chromatin remodelling during sexual differentiation

MD Jeninga, J Tang, SA Selvarajah, AG Maier… - BMC biology, 2023 - Springer
Background The protozoan malaria parasite Plasmodium falciparum has a complex life
cycle during which it needs to differentiate into multiple morphologically distinct life forms. A …

A systematic analysis of Trypanosoma brucei chromatin factors identifies novel protein interaction networks associated with sites of transcription initiation and …

DP Staneva, R Carloni, T Auchynnikava… - Genome …, 2021 - genome.cshlp.org
Nucleosomes composed of histones are the fundamental units around which DNA is
wrapped to form chromatin. Transcriptionally active euchromatin or repressive …

Ancestral aneuploidy and stable chromosomal duplication resulting in differential genome structure and gene expression control in trypanosomatid parasites

JL Reis-Cunha, SA Pimenta-Carvalho… - Genome …, 2024 - genome.cshlp.org
Aneuploidy is widely observed in both unicellular and multicellular eukaryotes, usually
associated with adaptation to stress conditions. Chromosomal duplication stability is a …

Trypanosoma brucei histones are heavily modified with combinatorial post-translational modifications and mark Pol II transcription start regions with hyperacetylated …

JP Maree, A Tvardovskiy, T Ravnsborg… - Nucleic Acids …, 2022 - academic.oup.com
Trypanosomes diverged from the main eukaryotic lineage about 600 million years ago, and
display some unusual genomic and epigenetic properties that provide valuable insight into …

[HTML][HTML] H2B.V demarcates divergent strand-switch regions, some tDNA loci, and genome compartments in Trypanosoma cruzi and affects parasite differentiation and …

JN Rosón, MO Vitarelli, HM Costa-Silva… - PLoS …, 2022 - journals.plos.org
Histone variants play a crucial role in chromatin structure organization and gene expression.
Trypanosomatids have an unusual H2B variant (H2B. V) that is known to dimerize with the …

[HTML][HTML] Two DOT1 enzymes cooperatively mediate efficient ubiquitin-independent histone H3 lysine 76 tri-methylation in kinetoplastids

VS Frisbie, H Hashimoto, Y Xie… - Nature …, 2024 - nature.com
In higher eukaryotes, a single DOT1 histone H3 lysine 79 (H3K79) methyltransferase
processively produces H3K79me2/me3 through histone H2B mono-ubiquitin interaction …