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Early allopolyploid evolution in the post-neolithic Brassica napus oilseed genome

Science, ISSN: 1095-9203, Vol: 345, Issue: 6199, Page: 950-953
2014
  • 1,891
    Citations
  • 0
    Usage
  • 998
    Captures
  • 5
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

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  • Citations
    1,891
    • Citation Indexes
      1,889
    • Patent Family Citations
      1
      • Patent Families
        1
    • Policy Citations
      1
      • Policy Citation
        1
  • Captures
    998
  • Mentions
    5
    • References
      3
      • Wikipedia
        3
    • Blog Mentions
      1
      • Blog
        1
    • News Mentions
      1
      • News
        1

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Two Highly Similar Poplar Paleo-subgenomes Suggest an Autotetraploid Ancestor of Salicaceae Plants

Introduction Poplar was the first perennial woody plant to have had its whole genome sequence deciphered (Tuskan et al., 2006), and recently another Salicaceae plant, the willow, Salix vitellina, was likewise sequenced (Dai et al., 2014). It is considered one of the main factors in the formation of the angiosperms, a large flowering plant group wherein recurring polyploidizations and extensive gen

Article Description

Oilseed rape (Brassica napus L.) was formed ∼7500 years ago by hybridization between B. rapa and B. oleracea, followed by chromosome doubling, a process known as allopolyploidy. Together with more ancient polyploidizations, this conferred an aggregate 72x genome multiplication since the origin of angiosperms and high gene content.We examined the B. napus genome and the consequences of its recent duplication. The constituent An and Cn subgenomes are engaged in subtle structural, functional, and epigenetic cross-talk, with abundant homeologous exchanges. Incipient gene loss and expression divergence have begun. Selection in B. napus oilseed types has accelerated the loss of glucosinolate genes, while preserving expansion of oil biosynthesis genes. These processes provide insights into allopolyploid evolution and its relationship with crop domestication and improvement.

Bibliographic Details

http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84906689347&origin=inward; http://dx.doi.org/10.1126/science.1253435; http://www.ncbi.nlm.nih.gov/pubmed/25146293; https://www.science.org/doi/10.1126/science.1253435; https://dx.doi.org/10.1126/science.1253435; https://www.science.org/lookup/doi/10.1126/science.1253435; https://science.sciencemag.org/content/345/6199/950; https://science.sciencemag.org/content/345/6199/950.abstract; https://science.sciencemag.org/content/sci/345/6199/950.full.pdf; http://europepmc.org/abstract/med/25146293; http://www.sciencemag.org/cgi/doi/10.1126/science.1253435; http://science.sciencemag.org/content/345/6199/950; http://science.sciencemag.org/content/345/6199/950.abstract; http://science.sciencemag.org/content/345/6199/950.full.pdf; http://science.sciencemag.org/lookup/doi/10.1126/science.1253435; http://research-repository.uwa.edu.au/en/publications/early-allopolyploid-evolution-in-the-postneolithic-brassica-napus-oilseed-genome(04abe9aa-4357-4a63-97ce-aee85beaf527).html; https://research-repository.uwa.edu.au/en/publications/early-allopolyploid-evolution-in-the-post-neolithic-brassica-napu; https://www.science.org/doi/abs/10.1126/science.1253435; https://research-repository.uwa.edu.au/en/publications/04abe9aa-4357-4a63-97ce-aee85beaf527; http://science.sciencemag.org/cgi/doi/10.1126/science.1253435; https://research-repository.uwa.edu.au/en/publications/early-allopolyploid-evolution-in-the-postneolithic-brassica-napus-oilseed-genome(04abe9aa-4357-4a63-97ce-aee85beaf527).html

Chalhoub, Boulos; Denoeud, France; Liu, Shengyi; Parkin, Isobel A P; Tang, Haibao; Wang, Xiyin; Chiquet, Julien; Belcram, Harry; Tong, Chaobo; Samans, Birgit; Corréa, Margot; Da Silva, Corinne; Just, Jérémy; Falentin, Cyril; Koh, Chu Shin; Le Clainche, Isabelle; Bernard, Maria; Bento, Pascal; Noel, Benjamin; Labadie, Karine; Alberti, Adriana; Charles, Mathieu; Arnaud, Dominique; Guo, Hui; Daviaud, Christian; Alamery, Salman; Jabbari, Kamel; Zhao, Meixia; Edger, Patrick P; Chelaifa, Houda; Tack, David; Lassalle, Gilles; Mestiri, Imen; Schnel, Nicolas; Le Paslier, Marie-Christine; Fan, Guangyi; Renault, Victor; Bayer, Philippe E; Golicz, Agnieszka A; Manoli, Sahana; Lee, Tae-Ho; Thi, Vinh Ha Dinh; Chalabi, Smahane; Hu, Qiong; Fan, Chuchuan; Tollenaere, Reece; Lu, Yunhai; Battail, Christophe; Shen, Jinxiong; Sidebottom, Christine H D; Wang, Xinfa; Canaguier, Aurélie; Chauveau, Aurélie; Bérard, Aurélie; Deniot, Gwenaëlle; Guan, Mei; Liu, Zhongsong; Sun, Fengming; Lim, Yong Pyo; Lyons, Eric; Town, Christopher D; Bancroft, Ian; Wang, Xiaowu; Meng, Jinling; Ma, Jianxin; Pires, J Chris; King, Graham J; Brunel, Dominique; Delourme, Régine; Renard, Michel; Aury, Jean-Marc; Adams, Keith L; Batley, Jacqueline; Snowdon, Rod J; Tost, Jorg; Edwards, David; Zhou, Yongming; Hua, Wei; Sharpe, Andrew G; Paterson, Andrew H; Guan, Chunyun; Wincker, Patrick

American Association for the Advancement of Science (AAAS)

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