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@ARTICLE{Weidner:276261,
      author       = {Weidner, Simone and Koller, Robert and Latz, Ellen and
                      Kowalchuk, George and Bonkowski, Michael and Scheu, Stefan
                      and Jousset, Alexandre},
      title        = {{B}acterial diversity amplifies nutrient-based plant-soil
                      feedbacks},
      journal      = {Functional ecology},
      volume       = {29},
      number       = {10},
      issn         = {0269-8463},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {FZJ-2015-06724},
      pages        = {1341 - 1349},
      year         = {2015},
      abstract     = {Plants foster diverse assemblages of bacteria in the
                      rhizosphere serving important functions which may result in
                      enhanced plant growth. Microbial diversity is increasingly
                      recognized to shape the functionality of microbial
                      communities. This leads to the assumption that there is a
                      positive relationship between rhizosphere diversity and
                      plant growth. Here we investigate how bacterial diversity
                      affects the mineralization of organic matter and plant
                      nutrient acquisition.We hypothesized that altered bacterial
                      diversity will affect nitrogen mineralisation, uptake by
                      plants and ultimately plant growth. We set up a controlled
                      model system with Arabidopsis thaliana colonized by defined
                      assemblages of fluorescent pseudomonads, a
                      well-characterised plant-beneficial rhizosphere taxon. The
                      growth substrate contained casein as sole nitrogen source,
                      making the plant nitrogen uptake dependant on breakdown by
                      bacterial enzymes.Bacterial diversity was associated with a
                      higher enzyme activity which increased nitrogen
                      mineralization and enhanced plant growth. The effect of
                      bacterial diversity on plant growth increased with time,
                      pointing to a positive feedback between bacteria and plants:
                      Bigger plants associated with species-rich bacterial
                      communities supported more bacterial growth, which further
                      enhanced the impact of bacteria on plant growth.We
                      demonstrate that plant-soil feedbacks establish rapidly
                      during one single growth season and that bacterial diversity
                      modulates this interaction. Preserving soil microbial
                      diversity therefore may improve positive plant-soil
                      feedbacks and thereby plant growth. Bacterial diversity
                      amplifies nutrient-based plant-soil feedbacks (PDF Download
                      Available).},
      cin          = {IBG-2},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000362395400012},
      doi          = {10.1111/1365-2435.12445},
      url          = {https://juser.fz-juelich.de/record/276261},
}