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Thursday 18 April 2013
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Impact of metal and spray pollutions on the biodiversity of Astragalus tragacantha associated root-symbionts

Lucie MICHE

Lucie Miché, Alex Baumel, Pascal Mirleau, Laurence Affre, Isabelle Laffont-Schwob,

Mediterranean Institute of marine and continental Biodiversity and Ecology (IMBE – UMR CNRS 7263/IRD 237), Aix-Marseille Université, Pôle de l’Etoile, FST St Jérôme – case 441, 13397 Marseille cedex 20, France

With a floristic richness of exception, the Mediterranean coast is however heavily threatened by urban development and pollution. An example of this paradoxical situation is located south of Marseille (France): in the recently created Calanques National Park are found several endemic and very rare plant species like Astragalus tragacantha (Fabaceae) that interface pollution from abandoned industrial sites and/or polluted sea sprays from urban effluents.
Knowing that contaminated sites are generally poor in nutrients and contain a highly altered soil structure, microbial root symbionts like mycorrhizal fungi and nodulating bacteria are suspected to play an important role in vegetation establishment. But very little is known about the ecology of this endangered plant species.
In this context, the aim of our work will be to decipher the symbiotic microbial communities that are associated to A. tragacantha roots, according to a gradient of pollution that the plant naturally encounters. For this purpose, NGS technologies (Illumina) will be used.

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Editorial board
  • BRANDNER Melissa
    • University of Nordland
    • Bodø (Norway)
  • BROCHMANN Christian
    • National Centre for Biosystematics
    • Oslo (Norway)
  • CHARITON Anthony
    • CSIRO Land and Water
    • Lucas Heights NA (Australia)
  • DEAGLE Bruce
    • University of Victoria
    • Victoria (Canada)
  • Eric Coissac
    • LECA
    • Grenoble (France)
  • KASAPIDIS Panagiotis
    • Hellenic Center for Marine Research
    • Irakleion, Crete (Greece)
  • PAWLOWSKI Jan
    • Université de Genève
    • Genève 4 (Switzerland)
  • TABERLET Pierre
    • LECA,
    • Grenoble (France)
  • WILLERSLEV Eske
    • Centre for GeoGenetics
    • Copenhagen (Denmark)
  • ZINGER Lucie
    • IBENS
    • Paris (France)
Editorial
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    31 July 2015, by BRANDNER Melissa

    The start of last month saw the occurrence of the Fifth Metabarcoding Spring School held in Białowieża National Park , Poland. A variety of scientists attended from all over the globe to learn, share and inspire with unique stories of metabarcoding.
    The scientists at the Mammal Research Institute PAS in Białowieża National Park hosted this year’s workshop. And our hats go off to them for the organizational skills, warmth and hospitality. During the week, experienced metabarcoders gave lectures on their trials and tribulations in the field of metabarcoding, sparking conversations between the attendees. The end of the first day saw flash talks from all participants of the event, creating an icebreaker and showing the wide variety of applications for metabarcoding, including, dietary studies, environmental health, fundamental ecology and exploration of rare and ancient habitats.
    Pierre Taberlet (who is rumoured to run 8000 PCR a day!) taught technical aspects such as DNA extraction in (...)

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