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 …

Cell Cycle, Telomeres, and Telomerase in Leishmania spp.: What Do We Know So Far?

LHC Assis, D Andrade-Silva, ME Shiburah… - Cells, 2021 - mdpi.com
Leishmaniases belong to the inglorious group of neglected tropical diseases, presenting
different degrees of manifestations severity. It is caused by the transmission of more than 20 …

A nuclear orthologue of the dNTP triphosphohydrolase SAMHD1 controls dNTP homeostasis and genomic stability in Trypanosoma brucei

P Antequera-Parrilla, VM Castillo-Acosta… - Frontiers in Cellular …, 2023 - frontiersin.org
Maintenance of dNTPs pools in Trypanosoma brucei is dependent on both biosynthetic and
degradation pathways that together ensure correct cellular homeostasis throughout the cell …

Read, write, adapt: challenges and opportunities during kinetoplastid genome replication

JD Damasceno, CA Marques, J Black, E Briggs… - Trends in Genetics, 2021 - cell.com
The genomes of all organisms are read throughout their growth and development,
generating new copies during cell division and encoding the cellular activities dictated by …

Evaluation of mechanisms that may generate DNA lesions triggering antigenic variation in African trypanosomes

MS da Silva, GA Hovel-Miner, EM Briggs… - PLoS …, 2018 - journals.plos.org
Antigenic variation by variant surface glycoprotein (VSG) coat switching in African
trypanosomes is one of the most elaborate immune evasion strategies found among …

Exploring TERRA during Leishmania major developmental cycle and continuous in vitro passages

EGO Morea, EJR Vasconcelos… - International journal of …, 2021 - Elsevier
Telomeres from different eukaryotes, including trypanosomatids, are transcribed into TERRA
noncoding RNAs, crucial in regulating chromatin deposition and telomere length. TERRA is …

Clues on the dynamics of DNA replication in Giardia lamblia

MS da Silva, MO Vitarelli, VL Viala… - Journal of cell …, 2023 - journals.biologists.com
Genomic replication is a critical, regulated process that ensures accurate genetic information
duplication. In eukaryotic cells, strategies have evolved to prevent conflicts between …

The trypanosomatids cell cycle: a brief report

AO Passos, LHC Assis, YG Ferri, VL da Silva… - … : Methods and Protocols, 2022 - Springer
Trypanosomatids are protozoan parasites among which are the etiologic agents of various
infectious diseases in humans, such as Trypanosoma cruzi (causative agent of Chagas …

Integrating high-throughput analysis to create an atlas of replication origins in Trypanosoma cruzi in the context of genome structure and variability

MO Vitarelli, TA Franco, DS Pires, ARJ Lima, VL Viala… - Mbio, 2024 - Am Soc Microbiol
Trypanosoma cruzi is the etiologic agent of the most prevalent human parasitic disease in
Latin America, Chagas disease. Its genome is rich in multigenic families that code for …

DNA lesions that block transcription induce the death of Trypanosoma cruzi via ATR activation, which is dependent on the presence of R-loops

IC Mendes, W dos Reis Bertoldo, AS Miranda-Junior… - DNA repair, 2024 - Elsevier
Trypanosoma cruzi is the etiological agent of Chagas disease and a peculiar eukaryote with
unique biological characteristics. DNA damage can block RNA polymerase, activating …