ArticleHeliyon2023
Genes encoding teleost orthologues of human signal transduction proteins remain duplicated or triplicated more frequently than the whole genome.
Article in Heliyon, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- Genes Encoding Intracellular Signaling Proteins in Animals Originated Along with Metazoa and Chordata: Chance or Necessity?Genome biology and evolution · 2025Article
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Cell signalling involves a myriad of proteins, many of which belong to families of related proteins, and these proteins display a huge number of interactions. One of the events that has led to the creation of new genes is whole genome duplication (WGD), a phenomenon that has made some major innovations possible. In addition to the two WGDs that happened before gnathostome radiation, teleost genomes underwent one (the 3WGD group) or two (the 4WGD group) extra WGD after separation from the lineage leading to holostei. In the present work, we studied in 63 teleost species whether the orthologues of human genes involved in 47 signalling pathways (HGSP) remain more frequently duplicated, triplicated or in the singleton state compared with the whole genome. We found that these genes have remained duplicated and triplicated more frequently in teleost of the 3WGD and 4WGD groups, respectively. Moreover, by examining pairs of interacting gene products in terms of conserved copy numbers, we found a majority of the 1:1 and 1:2 proportions in the 3WGD group (between 54% and 60%) and of the 2:2 and 2:4 proportions in the 4WGD group (30%). In both groups, we observed the 0:n proportion at a mean of approximately 10%, and we found some pseudogenes in the concerned genomes. Finally, the proportions were very different between the studied pathways. The n:n (i.e. same) proportion concerned 20%-65% of the interactions, depending on the pathways, and the n:m (i.e. different) proportion concerned 34%-70% of the interactions. Among the n:n proportion, the 1:1 ratio is most represented (25.8%) and among the n:m ratios, the 1:2 is most represented (25.0%). We noted the absence of gene loss for the JAK-STAT, FoxO and glucagon pathways. Overall, these results show that the teleost gene orthologues of HGSP remain duplicated (3WGD) and triplicated (4WGD) more frequently than the whole genome, although some genes have been lost, and the proportions have not always been maintained.
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