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Insights of biomass recalcitrance in Populus trichocarpa natural variants for biomass conversion

Abstract

Populus has been investigated as a promising biomass feedstock for alternative fuels and chemicals. Physicochemical characteristics and genomic information of biomass feedstocks are among the essential informaiton that can help not only advance our understanding of biomass recalcitrance but also with its efficient utilization. Herein, recalcitrance of Populus natural variants was elucidated in three aspects: (1) sugar release, (2) physicochemical properties, and (3) relative variation of gene expression within poplar natural variants. Sugar release performance of Populus natural variants was evaluated with their correlation with biomass recalcitrance-related characteristics. Among the physicochemical properties of poplar, lignin content, lignin molecular weight, lignin S/G ratio, and cellulose accessibility were found to correlate with sugar release. The results demonstrted that lignin content was negatively correlated with sugar release, whereas lignin molecular weight, lignin S/G ratio, and cellulose accessibility were positively associated with poplar sugar release. The trend of differential gene expression of each variant also supports the characterization results and their effects on biomass conversion.

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Supplementary files

Publication details

The article was received on 21 Jul 2017, accepted on 09 Oct 2017 and first published on 09 Oct 2017


Article type: Paper
DOI: 10.1039/C7GC02219K
Citation: Green Chem., 2017, Accepted Manuscript
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    Insights of biomass recalcitrance in Populus trichocarpa natural variants for biomass conversion

    C. G. Yoo, Y. Yang, Y. Pu, X. Meng, W. Muchero, K. Yee, O. Thompson, M. Rodriguez, G. Bali, N. L. Engle, E. Lindquist, V. Singan, J. Schmutz, S. DiFazio, T. J. Tschaplinski, G. Tuskas, J. Chen, B. H. Davison and A. Ragauskas, Green Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7GC02219K

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