ArticleProceedings of the National Academy of Sciences of the United States of America2014
Polarized gene conversion at the bz locus of maize.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- The I gene defines a dynamic NLR cluster conferring broad potyvirus resistance in common bean.Nature communications · 2026Article
- The genomic ecosystem of transposable elements in maize.PLoS genetics · 2021Article
- Frequent Recombination Events inPathogens (Basel, Switzerland) · 2020Article
- Intragenic Meiotic Crossovers Generate Novel Alleles with Transgressive Expression Levels.Molecular biology and evolution · 2018Article
- A Critical Assessment of 60 Years of Maize Intragenic Recombination.Frontiers in plant science · 2018Review
- Competitive Ability of Maize Pollen Grains Requires Paralogous Serine Threonine Protein Kinases STK1 and STK2.Genetics · 2017Article
- Genomic features shaping the landscape of meiotic double-strand-break hotspots in maize.Proceedings of the National Academy of Sciences of the United States of America · 2017Article
- Complexity of genetic mechanisms conferring nonuniformity of recombination in maize.Scientific reports · 2017Article
- Introns Structure Patterns of Variation in Nucleotide Composition in Arabidopsis thaliana and Rice Protein-Coding Genes.Genome biology and evolution · 2015Article
- Dissecting meiotic recombination based on tetrad analysis by single-microspore sequencing in maize.Nature communications · 2015Article
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Authors and funding
2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Nucleotide diversity is greater in maize than in most organisms studied to date, so allelic pairs in a hybrid tend to be highly polymorphic. Most recombination events between such pairs of maize polymorphic alleles are crossovers. However, intragenic recombination events not associated with flanking marker exchange, corresponding to noncrossover gene conversions, predominate between alleles derived from the same progenitor. In these dimorphic heterozygotes, the two alleles differ only at the two mutant sites between which recombination is being measured. To investigate whether gene conversion at the bz locus is polarized, two large diallel crossing matrices involving mutant sites spread across the bz gene were performed and more than 2,500 intragenic recombinants were scored. In both diallels, around 90% of recombinants could be accounted for by gene conversion. Furthermore, conversion exhibited a striking polarity, with sites located within 150 bp of the start and stop codons converting more frequently than sites located in the middle of the gene. The implications of these findings are discussed with reference to recent data from genome-wide studies in other plants.
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