ArticleChromosoma1996
An unstable minichromosome generates variegated oil yellow maize seedlings.
Article in Chromosoma, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
What it found
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Who cites it
8 citing papers in PubMed.
- Pollen Viability and Anomalies in European Hazelnut: Cultivar Traits or Environmental Effect?Plants (Basel, Switzerland) · 2025Article
- Unambiguous chromosome identification reveals the factors impacting irregular chromosome behaviors in allotriploid AAC Brassica.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Minichromosomes and artificial chromosomes in Arabidopsis.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2014Review
- Meiotic behavior of small chromosomes in maize.Frontiers in plant science · 2013Review
- Artificial chromosome formation in maize (Zea mays L.).Chromosoma · 2009Article
- A tale of two centromeres--diversity of structure but conservation of function in plants and animals.Functional & integrative genomics · 2009Review
- Minichromosome analysis of chromosome pairing, disjunction, and sister chromatid cohesion in maize.The Plant cell · 2007Article
- Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An unstable minichromosome comprising part of the short arm of chromosome 10 of maize was recovered from an oil yellow variegated plant as a consequence of gamma irradiation of pollen. The cytological and gene dosage observations are consistent with the minichromosome being a partial isochromosome, which lags at mitotic and meiotic anaphase. Loss of the minichromosome, which carries two doses of the +gene, causes phenotypic variegation in otherwise yellow lethal (Oy/Oy or Oy/oy) and olive (Oy/+ or oy/oy) genotypes. The minichromosome was transmitted to 8.1% of progeny via the pollen and 0.5% via the egg. Variations in the number and size of the minichromosome were recovered in progeny from a large test cross designed to test the feasibility for the detection of genetic variants including apomicts. No apomicts were recovered. All progeny with the appropriate maternal olive phenotype and the paternally derived coloured aleurone proved to be haploids. The recovery of a large minichromosome provides evidence for rare pairing and exchange with the short arm of chromosome 10. The variants of chromosome 10S generated from this programme provide useful material for further cytological, genetic and molecular analysis.
Indexed as
Identifiers
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Registered trials
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.