Molecular Phylogenetics and Evolution 120 (2018) 33–42 Contents lists available at ScienceDirect Molecular Phylogenetics and Evolution journal homepage: www.elsevier.com/locate/ympev Evolutionary history of the cobalamin-independent methionine synthase gene family across the land plants Hugo Vianna Silva Rody, Luiz Orlando de Oliveira Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, Minas Gerais 36570-900, Brazil ARTICLE I NFO ABSTRACT Keywords: Plants are successful paleopolyploids. The wide diversity of land plants is driven strongly by their gene dupli- Biased gene retention cates undergoing distinct evolutionary fates after duplication. We used genomic resources from 35 model plant Molecular evolution species to unravel the evolutionary fate of gene copies (paralogs) of the cobalamin-independent methionine Polyploidy synthase (metE) gene family across the land plants. To explore genealogical relationships and characterize Positive selection positive selection as a driving force in the evolution of metE paralogs within a single species, we carried out Whole-genome duplication complementary analyses on genomic data of 32 genotypes of soybean. The size of the metE gene family remained small across the land plants; most of the studied species possessed 1–6 paralogs. Gene products were either cytosolic or chloroplastic; this dual subcellular distribution arose early during the divergence of the land
Molecular Phylogenetics and Evolution – Elsevier
Published: Mar 1, 2018
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