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    Author(s): Jessica E. Hancock; Wendy M. Loya; Christian P. Giardina; Laigeng Li; Vincent L. Chiang; Kurt S. Pregitzer
    Date: 2007
    Source: New Phytologist. 173: 732-742.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (262.89 KB)

    Description

    We conducted a glasshouse mesocosm study that combined 13C isotope techniques with wild-type and transgenic aspen (Populus tremuloides) in order to examine how altered lignin biosynthesis affects plant production and soil carbon formation. Our transgenic aspen lines expressed low stem lignin concentration but normal cellulose concentration, low lignin stem concentration with high cellulose concentration or an increased stem syringyl to guaiacyl lignin ratio.

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    Citation

    Hancock, Jessica E.; Loya, Wendy M.; Giardina, Christian P.; Li, Laigeng; Chiang, Vincent L.; Pregitzer, Kurt S. 2007. Plant growth, biomass partitioning and soil carbon formation in response to altered lignin biosynthesis in Populus tremuloides. New Phytologist. 173: 732-742.

    Keywords

    carbon cycling, leaf area, lignin, photosynthesis, plant production, Populus, tissue quality, transgenic aspen

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