ArticlePlanta2013
Recombination within the apospory specific genomic region leads to the uncoupling of apomixis components in Cenchrus ciliaris.
Article in Planta, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- How Apomictic and Sexual Cenchrus Species Can Help Elucidate the Mechanisms Leading to Apospory.Methods in molecular biology (Clifton, N.J.) · 2026Article
- A sexual/apomictic consensus linkage map of Eragrostis curvula at tetraploid level.BMC plant biology · 2025Article
- Widespread application of apomixis in agriculture requires further study of natural apomicts.iScience · 2024Review
- Apomixis: oh, what a tangled web we have!Planta · 2023Review
- Alien genome mobilization and fixation utilizing an apomixis mediated genome addition (AMGA) strategy in Pennisetum to improve domestication traits of P. squamulatum.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Phylogenetically DistantFrontiers in plant science · 2022Article
- Apomixis: genetic basis and controlling genes.Horticulture research · 2022Article
- Controlled Induction of Parthenogenesis in Transgenic RiceFrontiers in plant science · 2022Article
- Apomixis and strategies to induce apomixis to preserve hybrid vigor for multiple generations.GM crops & food · 2021Review
- Review
- Review
- Partitioning Apomixis Components to Understand and Utilize Gametophytic Apomixis.Frontiers in plant science · 2019Review
- Identifying and Engineering Genes for Parthenogenesis in Plants.Frontiers in plant science · 2019Review
- A reference floral transcriptome of sexual and apomictic Paspalum notatum.BMC genomics · 2017Article
- De novo transcriptome sequencing and assembly from apomictic and sexual Eragrostis curvula genotypes.PloS one · 2017Article
- Apomixis frequency under stress conditions in weeping lovegrass (Eragrostis curvula).PloS one · 2017Article
- Seeds of doubt: Mendel's choice of Hieracium to study inheritance, a case of right plant, wrong trait.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Review
- A Parthenogenesis Gene Candidate and Evidence for Segmental Allopolyploidy in Apomictic Brachiaria decumbens.Genetics · 2016Article
- Article
- A parthenogenesis gene of apomict origin elicits embryo formation from unfertilized eggs in a sexual plant.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apomixis enables the clonal propagation of maternal genotypes through seed. If apomixis could be harnessed via genetic engineering or introgression, it would have a major economic impact for agricultural crops. In the grass species Pennisetum squamulatum and Cenchrus ciliaris (syn. P. ciliare), apomixis is controlled by a single dominant "locus", the apospory-specific genomic region (ASGR). For P. squamulatum, 18 published sequenced characterized amplified region (SCAR) markers have been identified which always co-segregate with apospory. Six of these markers are conserved SCARs in the closely related species, C. ciliaris and co-segregate with the trait. A screen of progeny from a cross of sexual × apomictic C. ciliaris genotypes identified a plant, A8, retaining two of the six ASGR-linked SCAR markers. Additional and newly identified ASGR-linked markers were generated to help identify the extent of recombination within the ASGR. Based on analysis of missing markers, the A8 recombinant plant has lost a significant portion of the ASGR but continues to form aposporous embryo sacs. Seedlings produced from aposporous embryo sacs are 6× in ploidy level and hence the A8 recombinant does not express parthenogenesis. The recombinant A8 plant represents a step forward in reducing the complexity of the ASGR locus to determine the factor(s) required for aposporous embryo sac formation and documents the separation of expression of the two components of apomixis in C. ciliaris.
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