ArticleAnnals of botany2009
Different genome-specific chromosome stabilities in synthetic Brassica allohexaploids revealed by wide crosses with Orychophragmus.
Article in Annals of botany, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 47 citations in OpenAlex.
- Segregating BCMolecular breeding : new strategies in plant improvement · 2026Article
- A wide range of chromosome numbers result from unreduced gamete production in Brassica juncea × B. napus (AABC) interspecific hybrids.Heredity · 2025Article
- Article
- Exploring the gene pool of Brassica napus by genomics-based approaches.Plant biotechnology journal · 2021Review
- Dosage-Dependent Gynoecium Development and Gene Expression inPlants (Basel, Switzerland) · 2021Article
- Global gene expression perturbations in rapeseed due to the introduction of alien radish chromosomes.Journal of genetics · 2021Article
- Chromosome instabilities in resynthesized Brassica napus revealed by FISH.Journal of applied genetics · 2020Article
- Article
- 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
- Segregation for fertility and meiotic stability in novel Brassica allohexaploids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Extraction of the Constituent Subgenomes of the Natural Allopolyploid Rapeseed (Brassica napus L.).Genetics · 2016Article
- Distinct subgenome stabilities in synthesized Brassica allohexaploids.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2016Article
- Genetic and Epigenetic Changes in Oilseed Rape (Brassica napus L.) Extracted from Intergeneric Allopolyploid and Additions with Orychophragmus.Frontiers in plant science · 2016Article
- Evolutionary genomics of miniature inverted-repeat transposable elements (MITEs) in Brassica.Molecular genetics and genomics : MGG · 2015Article
- Development of a complete set of monosomic alien addition lines between Brassica napus and Isatis indigotica (Chinese woad).Plant cell reports · 2014Article
- A complex recombination pattern in the genome of allotetraploid Brassica napus as revealed by a high-density genetic map.PloS one · 2014Article
- Nucleolar dominance and different genome behaviors in hybrids and allopolyploids.Plant cell reports · 2013Review
- Genomewide variation in an introgression line of rice-Zizania revealed by whole-genome re-sequencing.PloS one · 2013Article
- Article
- Size and location of radish chromosome regions carrying the fertility restorer Rfk1 gene in spring turnip rape.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2012Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsIn sexual hybrids between cultivated Brassica species and another crucifer, Orychophragmus violaceus (2n = 24), parental genome separation during mitosis and meiosis is under genetic control but this phenomenon varies depending upon the Brassica species. To further investigate the mechanisms involved in parental genome separation, complex hybrids between synthetic Brassica allohexaploids (2n = 54, AABBCC) from three sources and O. violaceus were obtained and characterized.
methodsGenomic in situ hybridization, amplified fragment length polymorphism (AFLP) and single-strand conformation polymorphism (SSCP) were used to explore chromosomal/genomic components and rRNA gene expression of the complex hybrids and their progenies. KEY
resultsComplex hybrids with variable fertility exhibited phenotypes that were different from the female allohexaploids and expressed some traits from O. violaceus. These hybrids were mixoploids (2n = 34-46) and retained partial complements of allohexaploids, including whole chromosomes of the A and B genomes and some of the C genome but no intact O. violaceus chromosomes; AFLP bands specific for O. violaceus, novel for two parents and absent in hexaploids were detected. The complex hybrids produced progenies with chromosomes/genomic complements biased to B. juncea (2n = 36, AABB) and novel B. juncea lines with two genomes of different origins. The expression of rRNA genes from B. nigra was revealed in all allohexaploids and complex hybrids, showing that the hierarchy of nucleolar dominance (B. nigra, BB > B. rapa, AA > B. oleracea, CC) in Brassica allotetraploids was still valid in these plants.
conclusionsThe chromosomes of three genomes in these synthetic Brassica allohexaploids showed different genome-specific stabilities (B > A > C) under induction of alien chromosome elimination in crosses with O. violaceus, which was possibly affected by nucleolar dominance.
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