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  Insights into cell wall structure of Sida hermaphrodita and its influence on recalcitrance

Damm, T., Pattathil, S., Günl, M., Jablonowski, N. D., O'Neill, M., Grün, K. S., et al. (2017). Insights into cell wall structure of Sida hermaphrodita and its influence on recalcitrance. Carbohydrate Polymers, 168, 94-102. doi:10.1016/j.carbpol.2017.03.062.

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 Creators:
Damm, Tatjana1, 2, Author
Pattathil, Sivakumar3, Author
Günl, Markus4, Author
Jablonowski, Nicolai David2, 4, Author
O'Neill, Malcolm3, Author
Grün, Katharina Susanne1, Author
Grande, Philipp Michael5, Author
Leitner, Walter5, 6, Author           
Schurr, Ulrich2, 4, Author
Usadel, Björn1, 2, 4, Author
Klose, Holger1, 2, Author
Affiliations:
1Institute for Botany and Molecular Genetics, RWTH Aachen University, Worringer Weg 3, 52074 Aachen, Germany, ou_persistent22              
2Bioeconomy Science Center (BioSC), c/o Forschungszentrum Jülich, 52425 Jülich, Germany, ou_persistent22              
3Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Rd. Athens, GA, USA, ou_persistent22              
4Institute of Bio- and Geosciences, IBG-2: Plant Sciences, Forschungszentrum Jülich, Leo- Brandt-Straße, 52425 Jülich, Germany, ou_persistent22              
5Institute for Technical and Macromolecular Chemistry, RWTH Aachen University, Worringer Weg 1-2, 52074 Aachen Germany, ou_persistent22              
6Research Group Leitner, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445610              

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Free keywords: Glucuronoxylan; Lignocellulose utilization; Non-cellulosic polysaccharides; Pectin; Plant cell wall; Sida hermaphrodita
 Abstract: The perennial plant Sida hermaphrodita (Sida) is attracting attention as potential energy crop. Here, the first detailed view on non-cellulosic Sida cell wall polysaccharide composition, structure and architecture is given. Cell walls were prepared from Sida stems and sequentially extracted with aqueous buffers and alkali. The structures of the quantitatively predominant polysaccharides present in each fraction were determined by biochemical characterization, glycome profiling and mass spectrometry. The amounts of glucose released by Accellerase-1500® treatment of the cell wall and the cell wall residue remaining after each extraction were used to assess the roles of pectin and hemicellulose in the recalcitrance of Sida biomass. 4-O-Methyl glucuronoxylan with a low proportion of side substitutions was identified as the major non-cellulosic glycan component of Sida stem cell walls. Pectic polysaccharides and xylans were found to be associated with lignin, suggesting that these polysaccharides have roles in Sida cell wall recalcitrance to enzymatic hydrolysis.

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Language(s): eng - English
 Dates: 2016-11-182017-03-182017-03-202017-07-15
 Publication Status: Published in print
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.carbpol.2017.03.062
 Degree: -

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Title: Carbohydrate Polymers
Source Genre: Journal
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Publ. Info: London : Elsevier
Pages: - Volume / Issue: 168 Sequence Number: - Start / End Page: 94 - 102 Identifier: ISSN: 0144-8617
CoNE: https://pure.mpg.de/cone/journals/resource/954925473393