ArticleFrontiers in genetics2020
Excision Dominates Pseudogenization During Fractionation After Whole Genome Duplication and in Gene Loss After Speciation in Plants.
Article in Frontiers in genetics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Genus-Wide Pan-Genome Analysis ofPlants (Basel, Switzerland) · 2026Article
- Genome-Wide Characterization of theBiology · 2026Article
- Gene and genome duplications have contrasting impacts on biosynthetic and flower developmental pathways in California poppy.The Plant cell · 2026Article
- Subgenome dominance shapes novel gene evolution in the decaploid pitcher plant Nepenthes gracilis.Nature plants · 2023Article
- Genome structure-based Juglandaceae phylogenies contradict alignment-based phylogenies and substitution rates vary with DNA repair genes.Nature communications · 2023Article
- Integrated synteny- and similarity-based inference on the polyploidization-fractionation cycle.Interface focus · 2021Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We take advantage of synteny blocks, the analytical construct enabled at the evolutionary moment of speciation or polyploidization, to follow the independent loss of duplicate genes in two sister species or the loss through fractionation of syntenic paralogs in a doubled genome. By examining how much sequence remains after a contiguous series of genes is deleted, we find that this residue remains at a constant low level independent of how many genes are lost-there are few if any relics of the missing sequence. Pseudogenes are rare or extremely transient in this context. The potential exceptions lie exclusively with a few examples of speciation, where the synteny blocks in some larger genomes tolerate degenerate sequence during genomic divergence of two species, but not after whole genome doubling in the same species where fractionation pressure eliminates virtually all non-coding sequence.
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