Comments on "Human Dominant Disease Genes Are Enriched in Paralogs Originating from Whole Genome Duplication"
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Human Dominant Disease Genes Are Enriched in Paralogs Originating from Whole Genome Duplication
PLOS Computational Biology recently published an article by Chen, Zhao, van Noort, and Bork [1] reporting that, in contrast to duplicated nondisease genes, human monogenic disease (MD) genes are (1) enriched in duplicates (in agreement with earlier reports [2–5]) and (2) more functionally similar to their closest paralogs based on sequence conservation and expression profile similarity. Chen et...
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One of the most interesting questions in biology is whether certain pathways have been favored during evolution, and if so, what properties could cause such a preference. Due to the lack of experimental evidence, whether select gene families have been preferentially retained over time after duplication in metazoan organisms remains unclear. Here, by syntenic mapping of nonchemosensory G protein...
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Whole genome duplications (WGD) have now been firmly established in all major eukaryotic kingdoms. In particular, all vertebrates descend from two rounds of WGDs, that occurred in their jawless ancestor some 500 MY ago. Paralogs retained from WGD, also coined 'ohnologs' after Susumu Ohno, have been shown to be typically associated with development, signaling and gene regulation. Ohnologs, which...
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Classical studies in Metabolic Control Theory have shown that metabolic fluxes usually exhibit little sensitivity to changes in individual enzyme activity, yet remain sensitive to global changes of all enzymes in a pathway. Therefore, little selective pressure is expected on the dosage or expression of individual metabolic genes, yet entire pathways should still be constrained. However, a direc...
متن کاملHuman Monogenic Disease Genes Have Frequently Functionally Redundant Paralogs
Mendelian disorders are often caused by mutations in genes that are not lethal but induce functional distortions leading to diseases. Here we study the extent of gene duplicates that might compensate genes causing monogenic diseases. We provide evidence for pervasive functional redundancy of human monogenic disease genes (MDs) by duplicates by manifesting 1) genes involved in human genetic diso...
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ژورنال
عنوان ژورنال: PLoS Computational Biology
سال: 2014
ISSN: 1553-7358
DOI: 10.1371/journal.pcbi.1003758