ArticleScientific reports2019
A Portion of the Apomixis Locus of Paspalum Simplex is Microsyntenic with an Unstable Chromosome Segment Highly Conserved Among Poaceae.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed.
- Basis of apomixis in flowering plants - state of the art and research perspectives.Plant reproduction · 2026Review
- Widespread application of apomixis in agriculture requires further study of natural apomicts.iScience · 2024Review
- Advances in genomic characterization of Urochloa humidicola: exploring polyploid inheritance and apomixis.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- The phenomenon of autonomous endosperm in sexual and apomictic plants.Journal of experimental botany · 2023Review
- ORIGIN OF RECOGNITION COMPLEX 3 controls the development of maternal excess endosperm in the Paspalum simplex agamic complex (Poaceae).Journal of experimental botany · 2023Article
- Apomixis: oh, what a tangled web we have!Planta · 2023Review
- The Auxin-Response RepressorPlants (Basel, Switzerland) · 2022Article
- Review
- Differential Epigenetic Marks Are Associated with Apospory Expressivity in Diploid Hybrids ofPlants (Basel, Switzerland) · 2021Article
- A study of the heterochronic sense/antisense RNA representation in florets of sexual and apomictic Paspalum notatum.BMC genomics · 2021Article
- Review
- Review
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- Article
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- A High-Density Linkage Map of the Forage GrassFrontiers in plant science · 2019Article
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Authors and funding
8 authors.
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No grant is acknowledged in the PubMed record.
Abstract
The introgression of apomixis in major seed crops, would guarantee self-seeding of superior heterotic seeds over generations. In the grass species Paspalum simplex, apomixis is controlled by a single locus in which recombination is blocked. In the perspective of isolating the genetic determinants of apomixis, we report data on sequencing, in silico mapping and expression analysis of some of the genes contained in two cloned genomic regions of the apomixis locus of P. simplex. In silico mapping allowed us to identify a conserved synteny group homoeologous to the apomixis locus, located on a telomeric position of chromosomes 12, 8, 3 and 4 of rice, Sorghum bicolor, Setaria italica and Brachypodium distachyum, respectively, and on a more centromeric position of maize chromosome 1. Selected genes of the apomixis locus expressed sense and antisense transcripts in reproductively committed cells of sexual and apomictic ovules. Some of the genes considered here expressed apomixis-specific allelic variants which showed partial non-overlapping expression patterns with alleles shared by sexual and apomictic reproductive phenotypes. Our findings open new routes for the isolation of the genetic determinants of apomixis and, in perspective, for its introgression in crop grasses.
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