ArticleProceedings of the National Academy of Sciences of the United States of America2004
Comparisons of pollen coat genes across Brassicaceae species reveal rapid evolution by repeat expansion and diversification.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 69 citations in OpenAlex.
- Synthesis and Scope of the Role of Postmating Prezygotic Isolation in Speciation.Cold Spring Harbor perspectives in biology · 2024Review
- Pollen Coat Proteomes ofBiomolecules · 2023Article
- The highly divergent Jekyll genes, required for sexual reproduction, are lineage specific for the related grass tribes Triticeae and Bromeae.The Plant journal : for cell and molecular biology · 2019Article
- The Long Journey of Pollen Tube in the Pistil.International journal of molecular sciences · 2018Review
- Review
- Bioinformatics Reveal Five Lineages of Oleosins and the Mechanism of Lineage Evolution Related to Structure/Function from Green Algae to Seed Plants.Plant physiology · 2015Article
- Using theories of sexual selection and sexual conflict to improve our understanding of plant ecology and evolution.AoB PLANTS · 2015Article
- Selection and demographic history shape the molecular evolution of the gamete compatibility protein bindin in Pisaster sea stars.Ecology and evolution · 2014Article
- Genomic, regulatory and epigenetic mechanisms underlying duplicated gene evolution in the natural allotetraploid Oryza minuta.BMC genomics · 2014Article
- Tandem oleosin genes in a cluster acquired in Brassicaceae created tapetosomes and conferred additive benefit of pollen vigor.Proceedings of the National Academy of Sciences of the United States of America · 2013Article
- Selection on plant male function genes identifies candidates for reproductive isolation of yellow monkeyflowers.PLoS genetics · 2013Article
- Analyses of expressed sequence tags in Neurospora reveal rapid evolution of genes associated with the early stages of sexual reproduction in fungi.BMC evolutionary biology · 2012Article
- Selection-driven divergence after gene duplication in Arabidopsis thaliana.Journal of molecular evolution · 2011Article
- Identification and characterization of TcCRP1, a pollen tube attractant from Torenia concolor.Annals of botany · 2011Article
- Organ and cell type-specific complementary expression patterns and regulatory neofunctionalization between duplicated genes in Arabidopsis thaliana.Genome biology and evolution · 2011Article
- Arabidopsis and relatives as models for the study of genetic and genomic incompatibilities.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2010Review
- A glycine-rich protein that facilitates exine formation during tomato pollen development.Planta · 2010Article
- The extracellular lipase EXL4 is required for efficient hydration of Arabidopsis pollen.Sexual plant reproduction · 2009Article
- Article
- Dynamic evolution of oryza genomes is revealed by comparative genomic analysis of a genus-wide vertical data set.The Plant cell · 2008Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Reproductive genes and traits evolve rapidly in many organisms, including mollusks, algae, and primates. Previously we demonstrated that a family of glycine-rich pollen surface proteins (GRPs) from Arabidopsis thaliana and Brassica oleracea had diverged substantially, making identification of homologous genes impossible despite a separation of only 20 million years. Here we address the molecular genetic mechanisms behind these changes, sequencing the eight members of the GRP cluster, along with 11 neighboring genes in four related species, Arabidopsis arenosa, Olimarabidopsis pumila, Capsella rubella, and Sisymbrium irio. We found that GRP genes change more rapidly than their neighbors; they are more repetitive and have undergone substantially more insertion/deletion events while preserving repeat amino acid composition. Genes flanking the GRP cluster had an average K(a)/K(s) approximately 0.2, indicating strong purifying selection. This ratio rose to approximately 0.5 in the first GRP exon, indicating relaxed selective constraints. The repetitive nature of the second GRP exon makes alignment difficult; even so, K(a)/K(s) within the Arabidopsis genus demonstrated an increase that correlated with exon length. We conclude that rapid GRP evolution is primarily due to duplication, deletion, and divergence of repetitive sequences. GRPs may mediate pollen recognition and hydration by female cells, and divergence of these genes could correlate with or even promote speciation. We tested cross-species interactions, showing that the ability of A. arenosa stigmas to hydrate pollen correlated with GRP divergence and identifying A. arenosa as a model for future studies of pollen recognition.
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