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How Resilient is Wo...
How Resilient is Wood Xylan to Enzymatic Degradation in a Matrix with Kraft Lignin?
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- Schaubeder, Jana B. (author)
- Technische Universität Graz
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- Ganser, Christian (author)
- National Institutes of Natural Sciences (NINS)
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- Nypelö, Tiina, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,Aalto-Yliopisto,Aalto University
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- Uchihashi, Takayuki (author)
- Nagoya University,National Institutes of Natural Sciences (NINS)
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- Spirk, Stefan (author)
- Technische Universität Graz
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Biomacromolecules. - 1525-7797 .- 1526-4602. ; 25:6, s. 3532-3541
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Despite the potential of lignocellulose in manufacturing value-added chemicals and biofuels, its efficient biotechnological conversion by enzymatic hydrolysis still poses major challenges. The complex interplay between xylan, cellulose, and lignin in fibrous materials makes it difficult to assess underlying physico- and biochemical mechanisms. Here, we reduce the complexity of the system by creating matrices of cellulose, xylan, and lignin, which consists of a cellulose base layer and xylan/lignin domains. We follow enzymatic degradation using an endoxylanase by high-speed atomic force microscopy and surface plasmon resonance spectroscopy to obtain morphological and kinetic data. Fastest reaction kinetics were observed at low lignin contents, which were related to the different swelling capacities of xylan. We demonstrate that the complex processes taking place at the interfaces of lignin and xylan in the presence of enzymes can be monitored in real time, providing a future platform for observing phenomena relevant to fiber-based systems.
Subject headings
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Trävetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Wood Science (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Polymerteknologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Polymer Technologies (hsv//eng)
- LANTBRUKSVETENSKAPER -- Bioteknologi med applikationer på växter och djur -- Växtbioteknologi (hsv//swe)
- AGRICULTURAL SCIENCES -- Agricultural Biotechnology -- Plant Biotechnology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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