[HTML][HTML] Emergence and adaptation of the cellular machinery directing antigenic variation in the African trypanosome

J Faria, EM Briggs, JA Black, R McCulloch - Current opinion in …, 2022 - Elsevier
Survival of the African trypanosome within its mammalian hosts, and hence transmission
between hosts, relies upon antigenic variation, where stochastic changes in the composition …

Decoding the impact of nuclear organization on antigenic variation in parasites

A Barcons-Simon, M Carrington, TN Siegel - Nature Microbiology, 2023 - nature.com
Antigenic variation as a strategy to evade the host adaptive immune response has evolved
in divergent pathogens. Antigenic variation involves restricted, and often mutually exclusive …

Spatial integration of transcription and splicing in a dedicated compartment sustains monogenic antigen expression in African trypanosomes

J Faria, V Luzak, LSM Müller, BG Brink… - Nature …, 2021 - nature.com
Highly selective gene expression is a key requirement for antigenic variation in several
pathogens, allowing evasion of host immune responses and maintenance of persistent …

Stage-specific transcription activator ESB1 regulates monoallelic antigen expression in Trypanosoma brucei

L López-Escobar, B Hänisch, C Halliday, M Ishii… - Nature …, 2022 - nature.com
Variant surface glycoprotein (VSG) coats bloodstream form Trypanosoma brucei parasites,
and monoallelic VSG expression underpins the antigenic variation necessary for …

An assembly of nuclear bodies associates with the active VSG expression site in African trypanosomes

J Budzak, R Jones, C Tschudi, NG Kolev… - Nature …, 2022 - nature.com
Abstract A Variant Surface Glycoprotein (VSG) coat protects bloodstream form Trypanosoma
brucei. Prodigious amounts of VSG mRNA (~ 7-10% total) are generated from a single RNA …

DNA double-strand breaks: a double-edged sword for trypanosomatids

MS Da Silva - Frontiers in cell and developmental biology, 2021 - frontiersin.org
For nearly all eukaryotic cells, stochastic DNA double-strand breaks (DSBs) are one of the
most deleterious types of DNA lesions. DSB processing and repair can cause sequence …

[HTML][HTML] Genetic and immunological basis of human African trypanosomiasis

E Pays, DP Nolan - Current opinion in immunology, 2021 - Elsevier
Human African trypanosomiasis, or slee** sickness, results from infection by two
subspecies of the protozoan flagellate parasite Trypanosoma brucei, termed Trypanosoma …

TbSAP is a novel chromatin protein repressing metacyclic variant surface glycoprotein expression sites in bloodstream form Trypanosoma brucei

C Davies, CP Ooi, G Sioutas, BS Hall… - Nucleic acids …, 2021 - academic.oup.com
Abstract The African trypanosome Trypanosoma brucei is a unicellular eukaryote, which
relies on a protective variant surface glycoprotein (VSG) coat for survival in the mammalian …

Pedal to the Metal: Nuclear Splicing Bodies Turbo-Charge VSG mRNA Production in African Trypanosomes

J Budzak, G Rudenko - Frontiers in Cell and Developmental Biology, 2022 - frontiersin.org
The African trypanosome Trypanosoma brucei is a parasite of the mammalian bloodstream
and tissues, where an antigenically variable Variant Surface Glycoprotein (VSG) coat …

A nuclear enterprise: zooming in on nuclear organization and gene expression control in the African trypanosome

JRC Faria - Parasitology, 2021 - cambridge.org
African trypanosomes are early divergent protozoan parasites responsible for high mortality
and morbidity as well as a great economic burden among the world's poorest populations …