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@ARTICLE{Behnke:21188,
      author       = {Behnke, K. and Grote, R. and Brüggemann, N. and Zimmer, I.
                      and Zhou, G. and Elobeid, M. and Janz, D. and Polle, A. and
                      Schnitzler, J.P.},
      title        = {{I}soprene emission-free poplars - a chance to reduce the
                      impact from poplar plantations on the atmosphere},
      journal      = {The new phytologist},
      volume       = {194},
      issn         = {0028-646X},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-21188},
      pages        = {70 - 82},
      year         = {2012},
      note         = {We are grateful to S. Wolfarth (University of Gottingen)
                      and C. Kettner (University of Gottingen) for excellent
                      technical assistance. We would like to thank G. Bahnweg
                      (BIOP, Helmholtz Centre Munich) and P. Faubert (EUS,
                      Helmholtz Centre Munich) for critical comments on the
                      manuscript. This study was financially supported by the
                      German Science Foundation (DFG; Schnitzler SCHN653/4 and
                      Polle PO362/13) within the German joint research group
                      'Poplar-A model to address tree-specific questions' (FOR496)
                      and by the European Commission within the Seventh Framework
                      Programme for Research, Project Energypoplar (FP7-211917).
                      G.W.Z. thanks the DAAD-CSC (German Academic Exchange Service
                      - China Scholarship Council) Joint PhD scholarship programme
                      and M. E. the University of Khartoum for providing PhD
                      scholarships.},
      abstract     = {• Depending on the atmospheric composition, isoprene
                      emissions from plants can have a severe impact on air
                      quality and regional climate. For the plant itself, isoprene
                      can enhance stress tolerance and also interfere with the
                      attraction of herbivores and parasitoids. • Here, we
                      tested the growth performance and fitness of Populus ×
                      canescens in which isoprene emission had been knocked down
                      by RNA interference technology (PcISPS-RNAi plants) for two
                      growing seasons under outdoor conditions. • Neither the
                      growth nor biomass yield of the PcISPS-RNAi poplars was
                      impaired, and they were even temporarily enhanced compared
                      with control poplars. Modelling of the annual carbon
                      balances revealed a reduced carbon loss of $2.2\%$ of the
                      total gross primary production by the absence of isoprene
                      emission, and a $6.9\%$ enhanced net growth of PcISPS-RNAi
                      poplars. However, the knock down in isoprene emission
                      resulted in reduced susceptibility to fungal infection,
                      whereas the attractiveness for herbivores was enhanced. •
                      The present study promises potential for the use of non- or
                      low-isoprene-emitting poplars for more sustainable and
                      environmentally friendly biomass production, as reducing
                      isoprene emission will presumably have positive effects on
                      regional climate and air quality.},
      keywords     = {Air Pollution: prevention $\&$ control / Atmosphere:
                      chemistry / Biomass / Butadienes: analysis / Carbon:
                      metabolism / Carbon Dioxide: metabolism / Carbon Isotopes /
                      Cellulose: metabolism / Computer Simulation / Crosses,
                      Genetic / Hemiterpenes: analysis / Herbivory: physiology /
                      Lignin: metabolism / Pentanes: analysis / Photosynthesis /
                      Plant Transpiration: physiology / Plants, Genetically
                      Modified / Populus: genetics / Populus: growth $\&$
                      development / Seasons / Spectroscopy, Fourier Transform
                      Infrared / Volatile Organic Compounds: analysis / Wood /
                      Butadienes (NLM Chemicals) / Carbon Isotopes (NLM Chemicals)
                      / Hemiterpenes (NLM Chemicals) / Pentanes (NLM Chemicals) /
                      Volatile Organic Compounds (NLM Chemicals) / Carbon Dioxide
                      (NLM Chemicals) / Carbon (NLM Chemicals) / isoprene (NLM
                      Chemicals) / Cellulose (NLM Chemicals) / Lignin (NLM
                      Chemicals) / J (WoSType)},
      cin          = {IBG-3},
      ddc          = {580},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt / ENERGYPOPLAR - Enhancing Poplar
                      Traits for Energy Applications (211917)},
      pid          = {G:(DE-Juel1)FUEK407 / G:(EU-Grant)211917},
      shelfmark    = {Plant Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22142198},
      UT           = {WOS:000300719400010},
      doi          = {10.1111/j.1469-8137.2011.03979.x},
      url          = {https://juser.fz-juelich.de/record/21188},
}