ArticlePloS one2020
Polyploidization is accompanied by synonymous codon usage bias in the chloroplast genomes of both cotton and wheat.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 7 citations in OpenAlex.
- Polyploidy drives structural and functional evolution in Camellia mitochondrial genomes.BMC genomics · 2026Article
- Plastome diversity and phylogenetic insights among modern Egyptian wheat cultivars: Genome-Wide and Gene-Level perspectives.BMC plant biology · 2025Article
- Codon usage bias is presumably affected by tRNA selection effects in Actinidia polyploidization events.BMC genomics · 2025Article
- Codon usage bias.Molecular biology reports · 2022Review
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7 authors at 2 institutions in 1 country.
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Abstract
Synonymous codon usage bias (SCUB) of both nuclear and organellar genes can mirror the evolutionary specialization of plants. The polyploidization process exposes the nucleus to genomic shock, a syndrome which promotes, among other genetic variants, SCUB. Its effect on organellar genes has not, however, been widely addressed. The present analysis targeted the chloroplast genomes of two leading polyploid crop species, namely cotton and bread wheat. The frequency of codons in the chloroplast genomes ending in either adenosine (NNA) or thymine (NNT) proved to be higher than those ending in either guanidine or cytosine (NNG or NNC), and this difference was conserved when comparisons were made between polyploid and diploid forms in both the cotton and wheat taxa. Preference for NNA/T codons was heterogeneous among genes with various numbers of introns and was also differential among the exons. SCUB patterns distinguished tetraploid cotton from its diploid progenitor species, as well as bread wheat from its diploid/tetraploid progenitor species, indicating that SCUB in the chloroplast genome partially mirrors the formation of polyploidies.
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