Drug resistance and treatment failure in leishmaniasis: A 21st century challenge

A Ponte-Sucre, F Gamarro, JC Dujardin… - PLoS neglected …, 2017 - journals.plos.org
Reevaluation of treatment guidelines for Old and New World leishmaniasis is urgently
needed on a global basis because treatment failure is an increasing problem. Drug …

Gene duplication as a mechanism of genomic adaptation to a changing environment

FA Kondrashov - Proceedings of the Royal Society B …, 2012 - royalsocietypublishing.org
A subject of extensive study in evolutionary theory has been the issue of how neutral,
redundant copies can be maintained in the genome for long periods of time. Concurrently …

Leishmania parasites exchange drug-resistance genes through extracellular vesicles

N Douanne, G Dong, A Amin, L Bernardo, M Blanchette… - Cell reports, 2022 - cell.com
Leishmania are eukaryotic parasites that have retained the ability to produce extracellular
vesicles (EVs) through evolution. To date, it has been unclear if different DNA entities could …

Chromosome and gene copy number variation allow major structural change between species and strains of Leishmania

MB Rogers, JD Hilley, NJ Dickens, J Wilkes… - Genome …, 2011 - genome.cshlp.org
Leishmania parasites cause a spectrum of clinical pathology in humans ranging from
disfiguring cutaneous lesions to fatal visceral leishmaniasis. We have generated a reference …

Whole genome sequencing of multiple Leishmania donovani clinical isolates provides insights into population structure and mechanisms of drug resistance

T Downing, H Imamura, S Decuypere, TG Clark… - Genome …, 2011 - genome.cshlp.org
Visceral leishmaniasis is a potentially fatal disease endemic to large parts of Asia and Africa,
primarily caused by the protozoan parasite Leishmania donovani. Here, we report a high …

Modulation of Aneuploidy in Leishmania donovani during Adaptation to Different In Vitro and In Vivo Environments and Its Impact on Gene Expression

F Dumetz, H Imamura, M Sanders, V Seblova… - MBio, 2017 - Am Soc Microbiol
Aneuploidy is usually deleterious in multicellular organisms but appears to be tolerated and
potentially beneficial in unicellular organisms, including pathogens. Leishmania, a major …

[HTML][HTML] Plasticity of the Leishmania genome leading to gene copy number variations and drug resistance

MCN Laffitte, P Leprohon, B Papadopoulou… - …, 2016 - ncbi.nlm.nih.gov
Leishmania has a plastic genome, and drug pressure can select for gene copy number
variation (CNV). CNVs can apply either to whole chromosomes, leading to aneuploidy, or to …

Genome sequencing of the lizard parasite Leishmania tarentolae reveals loss of genes associated to the intracellular stage of human pathogenic species

F Raymond, S Boisvert, G Roy, JF Ritt… - Nucleic acids …, 2012 - academic.oup.com
Abstract The Leishmania tarentolae Parrot-TarII strain genome sequence was resolved to an
average 16-fold mean coverage by next-generation DNA sequencing technologies. This is …

Formation of new chromosomes as a virulence mechanism in yeast Candida glabrata

S Poláková, C Blume, JÁ Zárate… - Proceedings of the …, 2009 - National Acad Sciences
In eukaryotes, the number and rough organization of chromosomes is well preserved within
isolates of the same species. Novel chromosomes and loss of chromosomes are infrequent …

Unisexual and Heterosexual Meiotic Reproduction Generate Aneuploidy and Phenotypic Diversity De Novo in the Yeast Cryptococcus neoformans

M Ni, M Feretzaki, W Li, A Floyd-Averette… - PLoS …, 2013 - journals.plos.org
Aneuploidy is known to be deleterious and underlies several common human diseases,
including cancer and genetic disorders such as trisomy 21 in Down's syndrome. In contrast …