Multidimensional solid-state NMR spectroscopy of plant cell walls
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- 作者：Tuo WangAuthor Vitae ; Pyae PhyoAuthor Vitae ; Mei Hong ; meihong@mit.edu" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Cellulose ; Matrix polysaccharide ; Expansin ; Lignin ; Magic-angle spinning ; Multidimensional correlation ; Structural polymorphism ; Cellulose-pectin interactions
- 刊名：Solid State Nuclear Magnetic Resonance
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：78
- 期：Complete
- 页码：56-63
- 全文大小：1851 K
文摘
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2D and 3D MAS NMR isused to study13C-labeled plant cell walls.
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High-field NMR resolves the structural and dynamic heterogeneity of wall polymers.
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Cellulose contact pectins and hemicellulose to form a single network in the wall.
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The protein expansin bindsxyloglucan-rich regions of cellulose for wall loosening.
Plant primary wall cellulose is polymorphic and distinct from Iα and Iβ allomorphs.