Phylogeny in Defining Model Plants for Lignocellulosic Ethanol Production: A Comparative Study of Brachypodium distachyon, Wheat, Maize, and Miscanthus x giganteus Leaf and Stem Biomass

作者: Till Meineke , Chithra Manisseri , Christian A. Voigt

DOI: 10.1371/JOURNAL.PONE.0103580

关键词:

摘要: The production of ethanol from pretreated plant biomass during fermentation is a strategy to mitigate climate change by substituting fossil fuels. However, conversion mainly limited the recalcitrant nature cell wall. To overcome recalcitrance, optimization wall for subsequent processing promising approach. Based on their phylogenetic proximity existing and emerging energy crops, model plants have been proposed study bioenergy-related biochemistry. One example Brachypodium distachyon, which has considered as general analysis in grasses. test whether relative would be sufficient qualify not only composition but also complete process leading bioethanol production, we compared leaf stem C3 grasses B. distachyon Triticum aestivum (wheat) with C4 Zea mays (maize) Miscanthus x giganteus, perennial crop. Lambda scanning confocal laser-scanning microscope allowed rapid qualitative saccharification. A maximum 108-117 mg ethanol·g(-1) dry was yielded thermo-chemically enzymatically tested species. Principal component revealed that relatively strong correlation between similarities lignocellulosic relation given two Our results suggest suitability crops specifically based applied parameters tissue type.

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