James J Clarkson

Summary

Affiliation: Royal Botanic Gardens
Country: UK

Publications

  1. ncbi request reprint Phylogenetic relationships in Nicotiana (Solanaceae) inferred from multiple plastid DNA regions
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Mol Phylogenet Evol 33:75-90. 2004
  2. ncbi request reprint Long-term genome diploidization in allopolyploid Nicotiana section Repandae (Solanaceae)
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gasrdens, Kew, Richmond, Surrey, TW9 3DS, UK
    New Phytol 168:241-52. 2005
  3. doi request reprint Nuclear glutamine synthetase evolution in Nicotiana: phylogenetics and the origins of allotetraploid and homoploid (diploid) hybrids
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Mol Phylogenet Evol 55:99-112. 2010
  4. pmc Phylogenetic relationships among arecoid palms (Arecaceae: Arecoideae)
    William J Baker
    Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK
    Ann Bot 108:1417-32. 2011
  5. doi request reprint Intragenic recombination events and evidence for hybrid speciation in Nicotiana (Solanaceae)
    Laura J Kelly
    Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
    Mol Biol Evol 27:781-99. 2010
  6. ncbi request reprint Molecular systematics, GISH and the origin of hybrid taxa in Nicotiana (Solanaceae)
    Mark W Chase
    Molecular Systematics Section, Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Ann Bot 92:107-27. 2003
  7. ncbi request reprint Sympatric speciation in palms on an oceanic island
    Vincent Savolainen
    Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Nature 441:210-3. 2006
  8. doi request reprint Reconstructing the complex evolutionary origin of wild allopolyploid tobaccos (Nicotiana section suaveolentes)
    Laura J Kelly
    School of Biological and Chemical Sciences, Queen Mary University of London, E1 4NS, London, United Kingdom
    Evolution 67:80-94. 2013
  9. pmc Evolution of rDNA in Nicotiana allopolyploids: a potential link between rDNA homogenization and epigenetics
    Ales Kovarik
    Institute of Biophysics, Academy of Sciences of the Czech Republic, CZ 61265 Brno, Czech Republic
    Ann Bot 101:815-23. 2008
  10. ncbi request reprint Comparative genomics and repetitive sequence divergence in the species of diploid Nicotiana section Alatae
    K Yoong Lim
    School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
    Plant J 48:907-19. 2006

Detail Information

Publications11

  1. ncbi request reprint Phylogenetic relationships in Nicotiana (Solanaceae) inferred from multiple plastid DNA regions
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Mol Phylogenet Evol 33:75-90. 2004
    ..Nicotiana is likely to have evolved in southern South America east of the Andes and later dispersed to Africa, Australia, and southwestern North America...
  2. ncbi request reprint Long-term genome diploidization in allopolyploid Nicotiana section Repandae (Solanaceae)
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gasrdens, Kew, Richmond, Surrey, TW9 3DS, UK
    New Phytol 168:241-52. 2005
    ..In Nicotiana, 4.5 Myr of allopolyploid evolution renders genomic in situ hybridization (GISH) unsuitable for the complete resolution of parental genomes...
  3. doi request reprint Nuclear glutamine synthetase evolution in Nicotiana: phylogenetics and the origins of allotetraploid and homoploid (diploid) hybrids
    James J Clarkson
    Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Mol Phylogenet Evol 55:99-112. 2010
    ..We have evidence for Nicotiana glutinosa and Nicotiana linearis being of hybrid origin and patterns of intra-allelic recombination also indicate the possibility of reticulate origins for other diploid species...
  4. pmc Phylogenetic relationships among arecoid palms (Arecaceae: Arecoideae)
    William J Baker
    Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK
    Ann Bot 108:1417-32. 2011
    ..Here the most densely sampled phylogenetic analysis of Arecoideae available to date is presented. The results are used to test the current classification of the subfamily and to identify priority areas for future research...
  5. doi request reprint Intragenic recombination events and evidence for hybrid speciation in Nicotiana (Solanaceae)
    Laura J Kelly
    Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom
    Mol Biol Evol 27:781-99. 2010
    ..This finding demonstrates that it is important to investigate the possibility of recombination when aiming to detect hybrids from DNA-sequence data and reconstruct patterns of reticulate evolution between species...
  6. ncbi request reprint Molecular systematics, GISH and the origin of hybrid taxa in Nicotiana (Solanaceae)
    Mark W Chase
    Molecular Systematics Section, Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Ann Bot 92:107-27. 2003
    ....
  7. ncbi request reprint Sympatric speciation in palms on an oceanic island
    Vincent Savolainen
    Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK
    Nature 441:210-3. 2006
    ..This case study of sympatric speciation in plants provides an opportunity for refining theoretical models on the origin of species, and new impetus for exploring putative plant and animal examples on oceanic islands...
  8. doi request reprint Reconstructing the complex evolutionary origin of wild allopolyploid tobaccos (Nicotiana section suaveolentes)
    Laura J Kelly
    School of Biological and Chemical Sciences, Queen Mary University of London, E1 4NS, London, United Kingdom
    Evolution 67:80-94. 2013
    ..Nicotiana exemplifies many of the factors that can complicate the reconstruction of polyploid evolutionary history and highlights how reticulate evolution at the diploid level can add even greater complexity to allopolyploid genomes...
  9. pmc Evolution of rDNA in Nicotiana allopolyploids: a potential link between rDNA homogenization and epigenetics
    Ales Kovarik
    Institute of Biophysics, Academy of Sciences of the Czech Republic, CZ 61265 Brno, Czech Republic
    Ann Bot 101:815-23. 2008
    ..We review patterns of evolution in rDNA in the angiosperm genus Nicotiana to determine consequences of allopolyploidy on these processes...
  10. ncbi request reprint Comparative genomics and repetitive sequence divergence in the species of diploid Nicotiana section Alatae
    K Yoong Lim
    School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
    Plant J 48:907-19. 2006
    ..This rapid rate of divergence is analogous to that found in polyploid species, and is therefore, in plants, not only associated with polyploidy...
  11. ncbi request reprint Sequence of events leading to near-complete genome turnover in allopolyploid Nicotiana within five million years
    K Yoong Lim
    School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
    New Phytol 175:756-63. 2007
    ..This mode of evolution may influence or be influenced by long-term diploidization processes that characterize angiosperm polyploidy-diploid evolutionary cycles...