ArticleGenetics2014
The fate of chromosomes and alleles in an allohexaploid Brassica population.
Article in Genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 40 citations in OpenAlex.
- Dissection of B subgenome of Brassica juncea through monosomic addition lines in Brassica napus: phenomic, cytological and genotypic insights.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- A wide range of chromosome numbers result from unreduced gamete production in Brassica juncea × B. napus (AABC) interspecific hybrids.Heredity · 2025Article
- Genome composition in Brassica interspecific hybrids affects chromosome inheritance and viability of progeny.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2023Article
- Allele segregation analysis of FChromosoma · 2022Article
- Production and cytology of Brassica autoallohexaploids with two and four copies of two subgenomes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- Development ofFrontiers in genetics · 2022Article
- Ancestral Reconstruction of Karyotypes Reveals an Exceptional Rate of Nonrandom Chromosomal Evolution in Sunflower.Genetics · 2020Article
- "Doubled-haploid" allohexaploid Brassica lines lose fertility and viability and accumulate genetic variation due to genomic instability.Chromosoma · 2019Article
- Hybrids between Brassica napus and B. nigra show frequent pairing between the B and A/C genomes and resistance to blackleg.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2019Article
- Maternal doubled haploid production in interploidy hybridization between Brassica napus and Brassica allooctaploids.Planta · 2018Article
- Development of Brassica oleracea-nigra monosomic alien addition lines: genotypic, cytological and morphological analyses.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Segregation for fertility and meiotic stability in novel Brassica allohexaploids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Distinct subgenome stabilities in synthesized Brassica allohexaploids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Molecular-cytogenetic characterization of C-genome chromosome substitution lines in Brassica juncea (L.) Czern and Coss.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- The first genetic map of a synthesized allohexaploid Brassica with A, B and C genomes based on simple sequence repeat markers.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Centromere Locations in Brassica A and C Genomes Revealed Through Half-Tetrad Analysis.Genetics · 2016Article
- Article
- Microspore culture reveals complex meiotic behaviour in a trigenomic Brassica hybrid.BMC plant biology · 2015Article
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Authors and funding
14 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Production of allohexaploid Brassica (2n = AABBCC) is a promising goal for plant breeders due to the potential for hybrid heterosis and useful allelic contributions from all three of the Brassica genomes present in the cultivated diploid (2n = AA, 2n = BB, 2n = CC) and allotetraploid (2n = AABB, 2n = AACC, and 2n = BBCC) crop species (canola, cabbages, mustards). We used high-throughput SNP molecular marker assays, flow cytometry, and fluorescent in situ hybridization (FISH) to characterize a population of putative allohexaploids derived from self-pollination of a hybrid from the novel cross (B. napus × B. carinata) × B. juncea to investigate whether fertile, stable allohexaploid Brassica can be produced. Allelic segregation in the A and C genomes generally followed Mendelian expectations for an F2 population, with minimal nonhomologous chromosome pairing. However, we detected no strong selection for complete 2n = AABBCC chromosome complements, with weak correlations between DNA content and fertility (r(2) = 0.11) and no correlation between missing chromosomes or chromosome segments and fertility. Investigation of next-generation progeny resulting from one highly fertile F2 plant using FISH revealed general maintenance of high chromosome numbers but severe distortions in karyotype, as evidenced by recombinant chromosomes and putative loss/duplication of A- and C-genome chromosome pairs. Our results show promise for the development of meiotically stable allohexaploid lines, but highlight the necessity of selection for 2n = AABBCC karyotypes.
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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.