ArticleAnnals of botany2009
Phenotypic, genetic and genomic consequences of natural and synthetic polyploidization of Nicotiana attenuata and Nicotiana obtusifolia.
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 26 papers.
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26 citing papers in PubMed.
- The emergence and loss of cyclic peptides inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Mutagenic effects of nitrogen protoxide and oryzalin on "41 B" and "Fercal" grapevine rootstocks seedlings.Breeding science · 2023Article
- The chemotype core collection of genus Nicotiana.The Plant journal : for cell and molecular biology · 2022Article
- Global Patterns of Subgenome Evolution in Organelle-Targeted Genes of Six Allotetraploid Angiosperms.Molecular biology and evolution · 2022Article
- Earliest evidence for human use of tobacco in the Pleistocene Americas.Nature human behaviour · 2022Article
- Induced polyploidy deeply influences reproductive life cycles, related phytochemical features, and phytohormonal activities in blackberry species.Frontiers in plant science · 2022Article
- A Review of Unreduced Gametes and Neopolyploids in Alfalfa: How to Fill the Gap between Well-Established Meiotic Mutants and Next-Generation Genomic Resources.Plants (Basel, Switzerland) · 2021Review
- Genome Size Covaries More Positively with Propagule Size than Adult Size: New Insights into an Old Problem.Biology · 2021Article
- Trait-dependent resemblance of the flowering phenology and floral morphology of the allopolyploid Cardamine flexuosa to those of the parental diploids in natural habitats.Journal of plant research · 2020Article
- Early consequences of allopolyploidy alter floral evolution in Nicotiana (Solanaceae).BMC plant biology · 2019Article
- Article
- Morphological, Genome and Gene Expression Changes in Newly Induced Autopolyploid Chrysanthemum lavandulifolium (Fisch. ex Trautv.) Makino.International journal of molecular sciences · 2016Article
- Involvement of Auxin and Brassinosteroid in Dwarfism of Autotetraploid Apple (Malus × domestica).Scientific reports · 2016Article
- Sexual Polyploidization in Medicago sativa L.: Impact on the Phenotype, Gene Transcription, and Genome Methylation.G3 (Bethesda, Md.) · 2016Article
- Article
- The effect of polyploidy and hybridization on the evolution of floral colour in Nicotiana (Solanaceae).Annals of botany · 2015Article
- Article
- Characteristic alatoid 'cineole cassette' monoterpene synthase present in Nicotiana noctiflora.Plant molecular biology · 2014Article
- Differential transcriptome analysis between Paulownia fortunei and its synthesized autopolyploid.International journal of molecular sciences · 2014Article
- Near-absent levels of segregational variation suggest limited opportunities for the introduction of genetic variation via homeologous chromosome pairing in synthetic neoallotetraploid Mimulus.G3 (Bethesda, Md.) · 2014Article
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6 authors.
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Abstract
BACKGROUND AND
methodsPolyploidy results in genetic turmoil, much of which is associated with new phenotypes that result in speciation. Five independent lines of synthetic allotetraploid N. x obtusiata (N x o) were created from crosses between the diploid N. attenuata (Na) (male) and N. obtusifolia (No) (female) and the autotetraploids of Na (NaT) and No (NoT) were synthesized. Their genetic, genomic and phenotypic changes were then compared with those of the parental diploid species (Na and No) as well as to the natural allotetraploids, N. quadrivalvis (Nq) and N. clevelandii (Nc), which formed 1 million years ago from crosses between ancient Na and No. KEY
resultsDNA fingerprinting profiles (by UP-PCR) revealed that the five N x o lines shared similar but not identical profiles. Both synthetic and natural polyploidy showed a dosage effect on genome size (as measured in seeds); however, only Nq was associated with a genome upsizing. Phenotypic analysis revealed that at the cellular level, N x o lines had phenotypes intermediate of the parental phenotypes. Both allo- and autotetraploidization had a dosage effect on seed and dry biomass (except for NaT), but not on stalk height at first flower. Nc showed paternal (Na) cellular phenotypes but inherited maternal (No) biomass and seed mass, whereas Nq showed maternal (No) cellular phenotypes but inherited paternal (Na) biomass and seed mass patterns. Principal component analysis grouped Nq with N x o lines, due to similar seed mass, stalk height and genome size. These traits separated Nc, No and Na from Nq and N x o lines, whereas biomass distinguished Na from N x o and Nq lines, and NaT clustered closer to Nq and N x o lines than to Na.
conclusionsBoth allo- and autotetraploidy induce considerable morphological, genetic and genomic changes, many of which are retained by at least one of the natural polyploids. It is proposed that both natural and synthetic polyploids are well suited for studying the evolution of adaptive responses.
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