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Gene Expression in Leishmania Is Regulated Predominantly by Gene Dosage [PDF]

open access: goldmBio, 2017
Leishmania tropica, a unicellular eukaryotic parasite present in North and East Africa, the Middle East, and the Indian subcontinent, has been linked to large outbreaks of cutaneous leishmaniasis in displaced populations in Iraq, Jordan, and Syria. Here,
Stefano A. Iantorno   +9 more
doaj   +7 more sources

Compensation of gene dosage on the mammalian X.

open access: yesDevelopment
Changes in gene dosage can have tremendous evolutionary potential (e.g. whole-genome duplications), but without compensatory mechanisms, they can also lead to gene dysregulation and pathologies.
Cecalev D, Viçoso B, Galupa R.
europepmc   +2 more sources

Effects of gene dosage on cognitive ability: A function-based association study across brain and non-brain processes [PDF]

open access: yesCell Genomics
Summary: Copy-number variants (CNVs) that increase the risk for neurodevelopmental disorders also affect cognitive ability. However, such CNVs remain challenging to study due to their scarcity, limiting our understanding of gene-dosage-sensitive ...
Guillaume Huguet   +29 more
doaj   +3 more sources

Brain region and gene dosage-differential transcriptomic changes in Shank2-mutant mice [PDF]

open access: yesFrontiers in Molecular Neuroscience, 2022
Shank2 is an abundant excitatory postsynaptic scaffolding protein that has been implicated in various neurodevelopmental and psychiatric disorders, including autism spectrum disorder (ASD), intellectual disability, attention-deficit/hyperactivity ...
Ye-Eun Yoo   +4 more
doaj   +2 more sources

Transient protein-protein interactions perturb E. coli metabolome and cause gene dosage toxicity

open access: goldbioRxiv, 2016
Several genes exhibit gene dosage toxicity yet its molecular underpinnings remain unknown. Here we demonstrate that overexpression of DHFR in E. coli causes toxic metabolic imbalance triggered by interactions with several enzymes involved in 1-carbon ...
Sanchari Bhattacharyya   +6 more
openalex   +2 more sources

Single cell transcriptome in aneuploidies reveals mechanisms of gene dosage imbalance

open access: yesNature Communications, 2019
Gene dosage anomalies such as those caused by aneuploidy underlie diseases including Down syndrome. Here, the authors perform allele-specific single cell transcriptome analysis to investigate the mechanisms of gene dosage imbalance in fibroblasts with ...
Georgios Stamoulis   +11 more
doaj   +2 more sources

Sex-chromosome dosage effects on gene expression in humans [PDF]

open access: greenProceedings of the National Academy of Sciences of the United States of America, 2018
Significance Sex-chromosome dosage (SCD) effects on human gene expression are central to the biology of sex differences and sex-chromosome aneuploidy syndromes but are challenging to study given the cosegregation of SCD and gonadal status.
Armin Raznahan   +14 more
openalex   +2 more sources

Gene dosage compensation: Origins, criteria to identify compensated genes, and mechanisms including sensor loops as an emerging systems‐level property in cancer [PDF]

open access: yesCancer Medicine, 2023
The gene dosage compensation hypothesis presents a mechanism through which the expression of certain genes is modulated to compensate for differences in the dose of genes when additional chromosomes are present.
Diana M. Bravo‐Estupiñan   +6 more
doaj   +2 more sources

IncreasedRrm2gene dosage reduces fragile site breakage and prolongs survival of ATR mutant mice [PDF]

open access: diamondGenes & Development, 2015
In S. cerevisiae, deletion of the checkpoint kinase Mec1 (ATR) is viable upon mutations that increase the activity of the ribonucleotide reductase (RNR) complex. Lopez-Contreras et al.
Andrés J. López‐Contreras   +11 more
openalex   +2 more sources

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