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@ARTICLE{Schreider:909021,
      author       = {Schreider, Katharina and Hofmann, Diana and Boy, Jens and
                      Andrino, Alberto and Fernandes Figueiredo, Aline and
                      Sauheitl, Leopold and Guggenberger, Georg},
      title        = {{M}ycorrhizal {M}ediated {P}artitioning of {P}hosphorus:
                      {E}ctomycorrhizal ({P}opulus x canescens x {P}axillus
                      involutus) {P}otential to {E}xploit {S}imultaneously
                      {O}rganic and {M}ineral {P}hosphorus {S}ources},
      journal      = {Frontiers in soil science},
      volume       = {2},
      issn         = {2673-8619},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2022-02959},
      pages        = {865517},
      year         = {2022},
      abstract     = {Many natural and anthropogenic soils are phosphorus (P)
                      limited often due to larger Pstocks sequestered in forms of
                      low bioavailability. One of the strategies to overcome
                      thisshortage lies in the symbiosis of plants with
                      mycorrhizal fungi, increasing the plant Puptake of these
                      hardly accessible sources. However, little is known about
                      mycorrhizalfungal mediated partitioning of differently
                      available P forms, which could contributeto more efficient
                      use of P by plants and, thereby, reduce competition for soil
                      P. Thisstudy aimed to investigate the uptake of P from
                      differently bioavailable P sources byectomycorrhiza. For
                      that, we conducted a rhizotrone study using Populus x
                      canescensand its compatible ectomycorrhizal fungus Paxillus
                      involutus. Four different P sources[ortho-phosphate (oP),
                      adenosine monophosphate (AMP), hydroxyapatite (HAP), andoP
                      bound to goethite (gP)] or only HAP as 1P control were
                      supplied in separatecompartments, where only the fungal
                      partner had access to the P sources. The amountof the
                      specific P sources was increased according to their
                      decreasing bioavailability. Inorder to distinguish between
                      the P sources, we applied 33P to track its incorporation
                      inplants by a non-destructive analysis via digital
                      autoradiography. Our results show that anectomycorrhizal
                      plant is able to utilize all provided P sources via its
                      mycorrhizal fungalassociate. The acquisition timing was
                      determined by the most bioavailable P sources,with oP and
                      AMP over HAP and gP, and a mixed P pool over a single P
                      source. Incontrast, the magnitude was defined by the by the
                      amount of supplied P source provisionof additional nitrogen,
                      hence AMP over oP and gP, as well as by P source
                      complexity,with gP as the least favorable P form.
                      Nevertheless, the results of the present studyprovide
                      evidence that an ectomycorrhiza has the potential to occupy
                      fundamental nichesof various P sources differing in their
                      bioavailability, indicating that being a generalist in
                      Pnutrition can facilitate adaptation to various nutritional
                      settings in soil.},
      cin          = {IBG-3},
      ddc          = {630},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001097765500001},
      doi          = {10.3389/fsoil.2022.865517},
      url          = {https://juser.fz-juelich.de/record/909021},
}