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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},
}