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Common and not so common symbiotic entry

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  • Mark Held
  • ,
  • Md Shakhawat Hossain
  • ,
  • Keisuke Yokota, Denmark
  • Paola Bonfante
  • ,
  • Jens Stougaard
  • Krzysztof Szczyglowski
  • Department of Molecular Biology
Great advances have been made in our understanding of the host plant's common symbiosis functions, which in legumes mediate intracellular accommodation of both nitrogen-fixing bacteria and arbuscular mycorrhiza (AM) fungi. However, it has become apparent that additional plant genes are required specifically for bacterial entry inside the host root. In this opinion article, we consider Lotus japonicus nap1 and pir1 symbiotic mutants within the context of other deleterious mutations that impair an intracellular accommodation of bacteria but have no impact on the colonization of roots by AM fungi. We highlight a clear delineation of early signaling events during bacterial versus AM symbioses while suggesting a more intricate origin of the plant's ability for intracellular accommodation of bacteria.
Original languageEnglish
JournalTrends in Plant Science
Pages (from-to)540-5
Number of pages6
Publication statusPublished - 1 Oct 2010

    Research areas

  • Lotus, Medicago truncatula, Mutation, Mycorrhizae, Plant Roots, Symbiosis

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