ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2010
Synthesis of a Brassica trigenomic allohexaploid (B. carinata × B. rapa) de novo and its stability in subsequent generations.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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Who cites it
37 citing papers in PubMed.
- Stable resynthesized Brassica napus lines show similar meiotic behaviour to established B. napus.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026Article
- Hybridization between different Brassica allohexaploid lineages produces viable, fertile progeny but does not improve genome stability or fertility in F1 hybrids.Annals of botany · 2026Article
- Exploration of the molecular mechanism behind a novel natural genic male-sterile mutation of 1205A in Brassica napus.BMC plant biology · 2025Article
- Article
- Multiple origins, one evolutionary trajectory: gradual evolution characterizes distinct lineages of allotetraploid Brachypodium.Genetics · 2023Article
- Allele segregation analysis of FChromosoma · 2022Article
- Integrated cytological and transcriptomic analysis reveals insights into pollen fertility in newly syntheticFrontiers in plant science · 2022Article
- Development ofFrontiers in genetics · 2022Article
- Review
- Challenges and prospects for a potential allohexaploid Brassica crop.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Exploring the gene pool of Brassica napus by genomics-based approaches.Plant biotechnology journal · 2021Review
- Genomics Armed With Diversity Leads the Way inFrontiers in genetics · 2021Review
- Genome-Wide Duplication of AllotetraploidG3 (Bethesda, Md.) · 2020Article
- Comprehensive Transcriptomic Analysis for Developing Seeds of a SyntheticPlants (Basel, Switzerland) · 2020Article
- Homoeologous Exchanges, Segmental Allopolyploidy, and Polyploid Genome Evolution.Frontiers in genetics · 2020Review
- "Doubled-haploid" allohexaploid Brassica lines lose fertility and viability and accumulate genetic variation due to genomic instability.Chromosoma · 2019Article
- Genome-wide analysis of alternative splicing divergences between Brassica hexaploid and its parents.Planta · 2019Article
- Integrative analysis of genome-wide lncRNA and mRNA expression in newly synthesizedEcology and evolution · 2018Article
- Maternal doubled haploid production in interploidy hybridization between Brassica napus and Brassica allooctaploids.Planta · 2018Article
- A High-Density Genetic Map of an AllohexaploidFrontiers in plant science · 2018Article
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6 authors.
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Abstract
Allopolyploidy plays an important role in plant evolution and confers obvious advantages on crop growth and breeding compared to low ploidy levels. The present investigation was aimed at synthesising the first known chromosomally stable hexaploid Brassica with the genome constitution AABBCC. More than 2,000 putative hexaploid plants were obtained through large-scale hybridisation from various combinations of crosses between different cultivars of Brassica carinata (BBCC) and B. rapa (AA). The majority of plants after two generations of selfing within selected hexaploid plants (H(2)) were aneuploid, and only 80 plants (4.6%) had the expected hexaploid chromosome number (2n = 54). The hexaploid ratio increased to an average of 23.0 and 26.3% in the H(3) and H(4) generations, respectively, and was accompanied by an increase in pollen fertility. The appearance of aneuploid plants in each generation could be detected having various chromosomal abnormalities at meiosis. The frequency of hexaploid plants varied significantly among different cultivar combinations, from 0 to 56% in the H(4) generation, and it showed a positive correlation with pollen fertility. The frequency of SSR allelic fragments lost or novel alleles gained was significantly lower in H(4) than in H(2) and H(3), which reflects increasing genome stability in H(4). The A and C genomes were significantly less stable than the B genome, which may mainly result from frequent homoeologous pairing and rearrangements between the A and C genomes. Methods to establish a stable hexaploid Brassica crop by intercrossing these lines followed by intensive selection are also discussed.
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