ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2005
Mapping of a spontaneous mutation for early flowering time in maize highlights contrasting allelic series at two-linked QTL on chromosome 8.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2005. 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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16 citing papers in PubMed, 43 citations in OpenAlex.
- Exploring the multifaceted dynamics of flowering time regulation in field crops: Insight and intervention approaches.The plant genome · 2025Review
- Linkage Mapping Reveals QTL for Flowering Time-Related Traits under Multiple Abiotic Stress Conditions in Maize.International journal of molecular sciences · 2022Article
- Joint analysis of days to flowering reveals independent temperate adaptations in maize.Heredity · 2021Article
- Disentangling group specific QTL allele effects from genetic background epistasis using admixed individuals in GWAS: An application to maize flowering.PLoS genetics · 2020Article
- Combined Genomic and Genetic Data Integration of Major Agronomical Traits in Bread Wheat (Frontiers in plant science · 2017Article
- Genetic properties of the MAGIC maize population: a new platform for high definition QTL mapping in Zea mays.Genome biology · 2015Article
- Dent and Flint maize diversity panels reveal important genetic potential for increasing biomass production.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Article
- ZCN8 encodes a potential orthologue of Arabidopsis FT florigen that integrates both endogenous and photoperiod flowering signals in maize.Journal of experimental botany · 2011Article
- Article
- QTL mapping for Mediterranean corn borer resistance in European flint germplasm using recombinant inbred lines.BMC genomics · 2010Article
- Genetic control of photoperiod sensitivity in maize revealed by joint multiple population analysis.Genetics · 2010Article
- Standing variation and new mutations both contribute to a fast response to selection for flowering time in maize inbreds.BMC evolutionary biology · 2010Article
- Genetic analysis of photoperiod sensitivity in a tropical by temperate maize recombinant inbred population using molecular markers.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2008Article
- Conserved noncoding genomic sequences associated with a flowering-time quantitative trait locus in maize.Proceedings of the National Academy of Sciences of the United States of America · 2007Article
- MetaQTL: a package of new computational methods for the meta-analysis of QTL mapping experiments.BMC bioinformatics · 2007Article
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4 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Only a few mutations affecting flowering time have been detected in maize. We analyzed a spontaneous early mutation, vgt-f7p, which appeared during production of the inbred line F7. This mutation shortens the time from planting to flowering by about 100 growing degree days (GDD), and reduces the number of nodes. It therefore seems to affect the timing of meristem differentiation from a vegetative to a reproductive state. It was mapped to a 6 cM confidence interval on chromosome 8, using a QTL mapping approach. QTL analysis of a mapping population generated by crossing the mutant F7 line (F7p) and the Gaspé flint population showed that vgt-f7p is probably allelic to vgt1, a QTL described in previous studies, and affects earliness more strongly than the Gaspé allele at vgt1. Global analysis of the QTL in the region suggested that there may be two consensus QTL, vgt1 and vgt2. These two QTL have contrasting allelic effects: rare alleles conferring extremely early flowering at vgt1 vs. greater diversity and milder effects at locus vgt2. Finally, detailed syntenic analysis showed that the vgt1 region displays a highly conserved duplicated region on chromosome 6, which also plays an important role in maize flowering time variation. The cloning of vgt1 should, therefore, also facilitate the analysis of the molecular basis of variation due to this second region.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.