Telomere and telomerase biology

MA Giardini, M Segatto, MS Da Silva, VS Nunes… - Progress in molecular …, 2014 - Elsevier
Telomeres are the physical ends of eukaryotic linear chromosomes. Telomeres form special
structures that cap chromosome ends to prevent degradation by nucleolytic attack and to …

DNA repair pathways in trypanosomatids: from DNA repair to drug resistance

MM Genois, ER Paquet, MCN Laffitte… - Microbiology and …, 2014 - Am Soc Microbiol
All living organisms are continuously faced with endogenous or exogenous stress
conditions affecting genome stability. DNA repair pathways act as a defense mechanism …

Identification of a small-molecule inhibitor that selectively blocks DNA-binding by Trypanosoma brucei replication protein A1

A Mukherjee, Z Hossain, E Erben, S Ma… - Nature …, 2023 - nature.com
Abstract Replication Protein A (RPA) is a broadly conserved complex comprised of the
RPA1, 2 and 3 subunits. RPA protects the exposed single-stranded DNA (ssDNA) during …

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 …

Differences in the detection of BrdU/EdU incorporation assays alter the calculation for G1, S, and G2 phases of the cell cycle in trypanosomatids

MS da Silva, PAM Muñoz, HA Armelin… - Journal of Eukaryotic …, 2017 - Wiley Online Library
Trypanosomatids are the etiologic agents of various infectious diseases in humans. They
diverged early during eukaryotic evolution and have attracted attention as peculiar models …

[HTML][HTML] Nuclear DNA replication in trypanosomatids: there are no easy methods for solving difficult problems

MS da Silva, RS Pavani, JD Damasceno… - Trends in …, 2017 - cell.com
In trypanosomatids, etiological agents of devastating diseases, replication is robust and
finely controlled to maintain genome stability and function in stressful environments …

[HTML][HTML] Consequences of acute oxidative stress in Leishmania amazonensis: From telomere shortening to the selection of the fittest parasites

MS da Silva, M Segatto, RS Pavani… - … et Biophysica Acta (BBA …, 2017 - Elsevier
Leishmaniasis is a spectrum of diseases caused by parasites of the genus Leishmania that
affects millions of people around the world. During infection, the parasites use different …

Leishmania amazonensis Promastigotes Present Two Distinct Modes of Nucleus and Kinetoplast Segregation during Cell Cycle

MS da Silva, JP Monteiro, VS Nunes, EJ Vasconcelos… - PloS one, 2013 - journals.plos.org
Here, we show the morphological events associated with organelle segregation and their
timing in the cell cycle of a reference strain of Leishmania (L.) amazonensis promastigotes …

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 …

Telomere maintenance in African trypanosomes

B Li - Frontiers in Molecular Biosciences, 2023 - frontiersin.org
Telomere maintenance is essential for genome integrity and chromosome stability in
eukaryotic cells harboring linear chromosomes, as telomere forms a specialized structure to …