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MicroRNAs form one of the groups of small noncoding RNA molecules that have completely changed our understanding of gene regulatory networks. Because microRNAs have been discovered only relatively recently, most of their functions remain unknown, providing ...
The discovery of alpha-synuclein (a-syn) as the main component of Lewy Bodies (LBs), the pathological hallmarks of Parkinson's disease (PD), and the identification of mutations in the gene coding for a-syn in familial form of PD have reinforced the central ...
In female mammals, one of the two X chromosomes is transcriptionally silenced to equalize X-linked gene dosage relative to XY males, a process termed X chromosome inactivation. Mechanistically, this is thought to occur via directed recruitment of chromatin ...
The role of adaptation in the evolutionary process has been contentious for decades. At the heart of the century-old debate between neutralists and selectionists lies the distribution of fitness effects (DFE)that is, the selective effect of all mutations. ...
The corrinoid cofactor is essential to organohalide respiration (OHR) as key element in virtually all reductive dehalogenases. Desulfitobacteria, and more particularly D. hafniense, represent a group of versatile OHR bacteria able to produce corrinoids de ...
Scarce work has been done in the analysis of the composition of conserved non-coding elements (CNEs) that are identified by comparisons of two or more genomes and are found to exist in all metazoan genomes. Here we present the analysis of CNEs with a metho ...
Gene expression changes may underlie much of phenotypic evolution. The development of high-throughput RNA sequencing protocols has opened the door to unprecedented large-scale and cross-species transcriptome comparisons by allowing accurate and sensitive a ...
In metabolic modeling, experimental data is used to constrain the solution space of allowable flux distributions to biologically feasible phenotypes. This makes metabolic modeling a powerful tool for integrating information from different experimental sour ...
Although a small number of the vast array of animal long non-coding RNAs (IncRNAs) have known effects on cellular processes examined in vitro, the extent of their contributions to normal cell processes throughout development, differentiation and disease fo ...
In protein-coding genes, synonymous mutations are often thought not to affect fitness and therefore are not subject to natural selection. Yet increasingly, cases of non-neutral evolution at certain synonymous sites were reported over the last decade. To ev ...