ArticleMolecular genetics and genomics : MGG2009
The allotetraploid Arabidopsis thaliana-Arabidopsis lyrata subsp. petraea as an alternative model system for the study of polyploidy in plants.
Article in Molecular genetics and genomics : MGG, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 89 citations in OpenAlex.
- The Genomic Shock Hypothesis: Genetic and Epigenetic Alterations of Transposable Elements after Interspecific Hybridization in Plants.Epigenomes · 2023Review
- Expression pattern of resynthesized allotetraploid Capsella is determined by hybridization, not whole-genome duplication.The New phytologist · 2023Article
- Identification and Cloning of a CC-NBS-NBS-LRR Gene as a Candidate ofInternational journal of molecular sciences · 2021Article
- The Transcriptional and Splicing Changes Caused by Hybridization Can Be Globally Recovered by Genome Doubling during Allopolyploidization.Molecular biology and evolution · 2021Article
- Characterization and Dynamics of Repeatomes in Closely Related Species ofFrontiers in plant science · 2020Article
- Gene Expression Changes During the Allo-/Deallopolyploidization Process ofFrontiers in genetics · 2019Article
- Effect of Hybridization on Somatic Mutations and Genomic Rearrangements in Plants.International journal of molecular sciences · 2018Review
- Genomic and transcriptomic alterations following intergeneric hybridization and polyploidization in theHorticulture research · 2018Article
- Altered chromatin compaction and histone methylation drive non-additive gene expression in an interspecific Arabidopsis hybrid.Genome biology · 2017Article
- Impact of transposable elements on polyploid plant genomes.Annals of botany · 2017Review
- Article
- Methods for accurate quantification of LTR-retrotransposon copy number using short-read sequence data: a case study in Sorghum.Molecular genetics and genomics : MGG · 2016Article
- Analyses of phenotype and ARGOS and ASY1 expression in a ploidy Chinese cabbage series derived from one haploid.Breeding science · 2016Article
- Genetic and Epigenetic Changes in Oilseed Rape (Brassica napus L.) Extracted from Intergeneric Allopolyploid and Additions with Orychophragmus.Frontiers in plant science · 2016Article
- Recreating Stable Brachypodium hybridum Allotetraploids by Uniting the Divergent Genomes of B. distachyon and B. stacei.PloS one · 2016Article
- Transcriptome analysis of the variations between autotetraploid Paulownia tomentosa and its diploid using high-throughput sequencing.Molecular genetics and genomics : MGG · 2015Article
- Polyploidy in the Arabidopsis genus.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2014Review
- Characterization of in vitro haploid and doubled haploid Chrysanthemum morifolium plants via unfertilized ovule culture for phenotypical traits and DNA methylation pattern.Frontiers in plant science · 2014Article
- Nucleolar dominance and different genome behaviors in hybrids and allopolyploids.Plant cell reports · 2013Review
- Article
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyploidy is known to be common in plants and recent work has focused on the rapid changes in genome structure and expression that occur upon polyploidization. In Arabidopsis, much of this work has been done on a synthetic allotetraploid obtained by crossing a tetraploid Arabidopsis thaliana (2n = 4x = 20) with A. arenosa (2n = 4x = 32). To explore an alternative route to polyploidy in this model species, we have developed a synthetic allopolyploid by crossing two diploid species: A. thaliana (2n = 2x = 10) and Arabidopsis lyrata subsp. petraea (2n = 2x = 16). F(1) hybrids were easy to obtain and phenotypically more similar to A. lyrata. Spontaneous chromosome doubling events occurred in about 25% of the F(1)s, thus restoring fertility. The resulting allotetraploids (2n = 26) exhibited many genomic changes typically reported upon polyploidization. Nucleolar dominance was observed as only the A. lyrata rDNA loci were expressed in the F(1) and allotetraploids. Changes in the degree of methylation were observed at almost 25% of the loci examined by MSAP analysis. Finally, structural genomic alterations did occur as a large deletion covering a significant portion of the upper arm of chromosome II was detected but no evidence of increased mobility of transposons was obtained. Such allotetraploids derived from two parents with sequenced (or soon to be sequenced) genomes offer much promise in elucidating the various changes that occur in newly synthesized polyploids.
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