R. Dupree
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View article: Using Solid-State NMR to Understand the Structure of Plant Cellulose
Using Solid-State NMR to Understand the Structure of Plant Cellulose Open
The structure of plant cellulose microfibrils remains elusive, despite the abundance of cellulose and its utility in industry. Using 2D solid-state NMR of 13C-labeled never-dried plants, six major glucose environments are resolv…
View article: Wood decay under anoxia by the brown-rot fungus Fomitopsis pinicola
Wood decay under anoxia by the brown-rot fungus Fomitopsis pinicola Open
Basidiomycete fungi are the main decomposers of dead wood with an impact on the global carbon cycle. Their degradative mechanisms have been well-studied under aerobic conditions. Here, we study their activity in oxygen-depleted environment…
View article: The molecular architecture distinctions between compression, opposite and normal wood of Pinus radiata
The molecular architecture distinctions between compression, opposite and normal wood of Pinus radiata Open
In gymnosperms compression wood is a specialised type of structural cell wall formed in response to biomechanical stresses. The differences in terms of gross structure, ultrastructure and chemistry are well-known. However, the differences …
View article: Glucomannan engineering highlights roles of galactosyl modification in fine-tuning cellulose-glucomannan interaction in Arabidopsis cell walls
Glucomannan engineering highlights roles of galactosyl modification in fine-tuning cellulose-glucomannan interaction in Arabidopsis cell walls Open
View article: An alternate route for cellulose microfibril biosynthesis in plants
An alternate route for cellulose microfibril biosynthesis in plants Open
Similar to cellulose synthases (CESAs), cellulose synthase–like D (CSLD) proteins synthesize β-1,4-glucan in plants. CSLDs are important for tip growth and cytokinesis, but it was unknown whether they form membrane complexes in vivo or pro…
View article: New insights into the structure of cellulose in plant cell walls
New insights into the structure of cellulose in plant cell walls Open
The structure of native plant cellulose, despite its abundance and utility in industry, remains elusive. The cellulose structure of several species was studied using 2D solid-state Nuclear Magnetic Resonance (NMR) of 13C labelle…
View article: Ectopic callose deposition into woody biomass modulates the nano-architecture of macrofibrils
Ectopic callose deposition into woody biomass modulates the nano-architecture of macrofibrils Open
View article: Eudicot primary cell wall glucomannan is related in synthesis, structure, and function to xyloglucan
Eudicot primary cell wall glucomannan is related in synthesis, structure, and function to xyloglucan Open
Hemicellulose polysaccharides influence assembly and properties of the plant primary cell wall (PCW), perhaps by interacting with cellulose to affect the deposition and bundling of cellulose fibrils. However, the functional differences bet…
View article: Golgi-localized putative S-adenosyl methionine transporters required for plant cell wall polysaccharide methylation
Golgi-localized putative S-adenosyl methionine transporters required for plant cell wall polysaccharide methylation Open
View article: Eudicot primary cell wall glucomannan is related in synthesis, structure and function to xyloglucan<sup>i</sup>
Eudicot primary cell wall glucomannan is related in synthesis, structure and function to xyloglucan<sup>i</sup> Open
The functional differences between plant cell wall hemicelluloses such as glucomannan, xylan and xyloglucan (XyG) remain unclear. These polysaccharides influence assembly and properties of the wall, perhaps by interacting with cellulose to…
View article: Synthesis and structural characterisation of solid titanium(<scp>iv</scp>) phosphate materials by means of X-ray absorption and NMR spectroscopy
Synthesis and structural characterisation of solid titanium(<span>iv</span>) phosphate materials by means of X-ray absorption and NMR spectroscopy Open
Synthesis and structural characterisation of solid titanium phosphates prepared at mild conditions, short reaction times and different post-synthetic treatments.
View article: Importance of Water in Maintaining Softwood Secondary Cell Wall Nanostructure.
Importance of Water in Maintaining Softwood Secondary Cell Wall Nanostructure. Open
Water is one of the principal constituents by mass of living plant cell walls. However, its role and interactions with secondary cell wall polysaccharides and the impact of dehydration and subsequent rehydration on the molecular architectu…
View article: Importance of Water in Maintaining Softwood Secondary Cell Wall Nanostructure
Importance of Water in Maintaining Softwood Secondary Cell Wall Nanostructure Open
Water is one of the principal constituents by mass of living plant cell walls. However, its role and interactions with secondary cell wall polysaccharides and the impact of dehydration and subsequent rehydration on the molecular architectu…
View article: Structural origin of the weak germanate anomaly in lead germanate glass properties
Structural origin of the weak germanate anomaly in lead germanate glass properties Open
Binary PbO–GeO 2 glasses have been studied in detail from 5 to 75 mol% PbO using high‐resolution neutron diffraction, high‐energy X‐ray diffraction, 207‐Pb NMR, pycnometry, and thermal analysis. The Ge–O coordination number displays a broa…
View article: Lead silicate glass structure: New insights from diffraction and modeling of probable lone pair locations
Lead silicate glass structure: New insights from diffraction and modeling of probable lone pair locations Open
Structures of binary PbO‐SiO 2 glasses have been studied in detail over the compositional range 35 to 80 mol% PbO using high‐resolution neutron diffraction, high‐energy X‐ray diffraction, static 207 Pb NMR, and structural modeling. The cha…
View article: Toward a Structural Model for the Aluminum Tellurite Glass System
Toward a Structural Model for the Aluminum Tellurite Glass System Open
Neutron diffraction, 27Al MAS NMR, and 27Al Double Quantum MAS NMR results are presented and analyzed to determine the local environments of the cations in a series of aluminum tellurite glasses. Total scattering results show that, within …
View article: Molecular architecture of softwood revealed by solid-state NMR
Molecular architecture of softwood revealed by solid-state NMR Open
View article: Data files for "Molecular architecture of softwood revealed by solid-state NMR"
Data files for "Molecular architecture of softwood revealed by solid-state NMR" Open
Unprocessed solid-state NMR data files. Inside the zip folder is a word document describing what each data file is. Data can be processed in Topspin (from Bruker), this software is free to Academic users.
View article: Hemocyanin facilitates lignocellulose digestion by wood-boring marine crustaceans
Hemocyanin facilitates lignocellulose digestion by wood-boring marine crustaceans Open
View article: An even pattern of xylan substitution is critical for interaction with cellulose in plant cell walls
An even pattern of xylan substitution is critical for interaction with cellulose in plant cell walls Open
View article: Research data supporting "The even pattern of xylan substitution is critical for interaction with cellulose in plant cell walls"
Research data supporting "The even pattern of xylan substitution is critical for interaction with cellulose in plant cell walls" Open
13C solid state NMR refocussed CP-INADEQUATE spectra and a refocussed direct polarisation INADEQUATE spectrum of WT and the esk1kak mutant of Arabidopsis inflorescence stems.\nThe data reveal the change in xylan conformation in the mutant …
View article: Folding of xylan onto cellulose fibrils in plant cell walls revealed by solid-state NMR
Folding of xylan onto cellulose fibrils in plant cell walls revealed by solid-state NMR Open
View article: Research data supporting “Folding of xylan onto cellulose fibrils in plant cell walls revealed by solid-state NMR”
Research data supporting “Folding of xylan onto cellulose fibrils in plant cell walls revealed by solid-state NMR” Open
Solid state NMR data files. Files for the DIPSHIFT calculations are listed below. The original Origin.c code may not be widely available therefore Matlab versions are also attached 1) the original Origin.c code - dipshift.c (inside are the…
View article: Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis
Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis Open
View article: Research data supporting "Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis"
Research data supporting "Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis" Open
1D solid state NMR data for mature stems of stello cellulose synthesis mutant and wild type plants. MAS solid state NMR experiments were performed on a widebore Bruker (Karlsruhe, Germany) AVANCE III 850 MHz solid state NMR spectrometer op…
View article: Amyloid Hydrogen Bonding Polymorphism Evaluated by <sup>15</sup>N{<sup>17</sup>O}REAPDOR Solid-State NMR and Ultra-High Resolution Fourier Transform Ion Cyclotron Resonance Mass Spectrometry
Amyloid Hydrogen Bonding Polymorphism Evaluated by <sup>15</sup>N{<sup>17</sup>O}REAPDOR Solid-State NMR and Ultra-High Resolution Fourier Transform Ion Cyclotron Resonance Mass Spectrometry Open
A combined approach, using Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) and solid-state NMR (Nuclear Magnetic Resonance), shows a high degree of polymorphism exhibited by Aβ species in forming hydrogen-bonded netw…
View article: Dynamic Nuclear Polarization enhanced NMR at 187 GHz/284 MHz using an Extended Interaction Klystron amplifier
Dynamic Nuclear Polarization enhanced NMR at 187 GHz/284 MHz using an Extended Interaction Klystron amplifier Open