ArticleJournal of experimental botany2013
Gametophytic and zygotic selection leads to segregation distortion through in vivo induction of a maternal haploid in maize.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.
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58 citing papers in PubMed, 125 citations in OpenAlex.
- Genetic determinants of aerial root morphology in Sierra Mixe-derived maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
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- Stepwise construction of the path to doubled haploid breeding in sorghum.Science advances · 2026Article
- QTL-Seq Identifies Extra QTLs and Candidate Genes Controlling High Haploid Induction Rate in Maize.Plants (Basel, Switzerland) · 2026Article
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- The haploid induction ability analysis of various mutation of OsMATL and OsDMPs in rice.BMC biology · 2025Article
- Genomic estimated selection criteria and parental contributions in parent selection increase genetic gain of maternal haploid inducers in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Accelerating haploid induction rate and haploid validation through marker-assisted selection forFrontiers in plant science · 2024Article
- Haploid identification in maize.Frontiers in plant science · 2024Review
- Combining multiplex gene editing and doubled haploid technology in maize.The New phytologist · 2023Article
- A Comparison between Inbred and Hybrid Maize Haploid Inducers.Plants (Basel, Switzerland) · 2023Article
- Recent Advances in Engineering of In Vivo Haploid Induction Systems.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Development of doubled haploid inducer lines facilitates selection of superior haploid inducers in maize.Frontiers in plant science · 2023Article
- Genetic basis of maize maternal haploid induction beyondFrontiers in plant science · 2023Article
- Multi-Trait Genomic Prediction Improves Accuracy of Selection among Doubled Haploid Lines in Maize.International journal of molecular sciences · 2022Article
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- Improving the accuracy of genomic predictions in an outcrossing species with hybrid cultivars between heterozygote parents: a case study of oil palm (Elaeis guineensis Jacq.).Molecular genetics and genomics : MGG · 2022Article
- Rapid and Synchronous Breeding of Cytoplasmic Male Sterile and Maintainer Line Through Mitochondrial DNA Rearrangement Using Doubled Haploid Inducer inFrontiers in plant science · 2022Article
- Overexpression of ModifiedFrontiers in plant science · 2022Article
- Fine Mapping of Two Interacting Loci for Transmission Ratio Distortion in Rice (Frontiers in plant science · 2022Article
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Production of maternal haploids via a male inducer can greatly accelerate maize breeding and is an interesting biological phenomenon in double fertilization. However, the mechanism behind haploid induction remains elusive. Segregation distortion, which is increasingly recognized as a potentially powerful evolutionary force, has recently been observed during maternal haploid induction in maize. The results present here showed that both male gametophytic and zygotic selection contributed to severe segregation distortion of a locus, named segregation distortion 1 (sed1), during maternal haploid induction in maize. Interestingly, analysis of reciprocal crosses showed that sed1 is expressed in the male gametophyte. A novel mapping strategy based on segregation distortion has been used to fine-map this locus. Strong selection for the presence of the sed1 haplotype from inducers in kernels with haploid formation and defects could be detected in the segregating population. Dual-pollination experiments showed that viable pollen grains from inducers had poor pollen competitive ability against pollen from normal genotypes. Although defective kernels and haploids have different phenotypes, they are most probably caused by the sed1 locus, and possible mechanisms for production of maternal haploids and the associated segregation distortion are discussed. This research also provides new insights into the process of double fertilization.
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