Anne E. Harman‐Ware
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View article: Tonoplast sucrose transporter <scp>SUT4</scp> ‐dependent sugar partitioning modulates phenological transitions and reproductive success in poplar
Tonoplast sucrose transporter <span>SUT4</span> ‐dependent sugar partitioning modulates phenological transitions and reproductive success in poplar Open
SUMMARY Climate uncertainty is intensifying the need for greater plasticity in carbohydrate reserve utilization to support winter survival and spring growth in woody perennials. In poplar, the single‐copy SUT4 , which encodes a tonoplast‐l…
View article: Correction: Nag et al. Machine Learning-Based Classification of Lignocellulosic Biomass from Pyrolysis-Molecular Beam Mass Spectrometry Data. Int. J. Mol. Sci. 2021, 22, 4107
Correction: Nag et al. Machine Learning-Based Classification of Lignocellulosic Biomass from Pyrolysis-Molecular Beam Mass Spectrometry Data. Int. J. Mol. Sci. 2021, 22, 4107 Open
A bug was found in our R code which warrants some minor changes in some tables, figures, and the related text in the paper [...]
View article: Reductive Depolymerization of Lignin to Aromatic Compounds over Promoted Nickel Catalysts in Sub‐ and Supercritical Methanol
Reductive Depolymerization of Lignin to Aromatic Compounds over Promoted Nickel Catalysts in Sub‐ and Supercritical Methanol Open
The use of γ‐Al 2 O 3 ‐supported Ni catalysts promoted with either Cu or Fe was investigated for the reductive catalytic fractionation (RCF) of hybrid poplar in methanol at 200 and 250 °C. The effectiveness of lignin depolymerization was q…
View article: Loss of Tonoplast Sucrose Transporter SUT4 Alters Seasonal Growth, Carbohydrate Allocation, and Fertility in Field-Grown Poplar
Loss of Tonoplast Sucrose Transporter SUT4 Alters Seasonal Growth, Carbohydrate Allocation, and Fertility in Field-Grown Poplar Open
Summary Climate uncertainty is intensifying the need for greater plasticity in carbohydrate reserve utilization to support winter survival and spring growth in woody perennials. In poplar, the single-copy SUT4 , which encodes a tonoplast-l…
View article: Intraspecific variability in plant and soil chemical properties in a common garden plantation of the energy crop Populus
Intraspecific variability in plant and soil chemical properties in a common garden plantation of the energy crop Populus Open
Optimizing crops for synergistic soil carbon (C) sequestration can enhance CO 2 removal in food and bioenergy production systems. Yet, in bioenergy systems, we lack an understanding of how intraspecies variation in plant traits correlates …
View article: Providing biological context for <scp>GWAS</scp> results using <scp>eQTL</scp> regulatory and co‐expression networks in <i>Populus</i>
Providing biological context for <span>GWAS</span> results using <span>eQTL</span> regulatory and co‐expression networks in <i>Populus</i> Open
Summary Our study utilized genome‐wide association studies (GWAS) to link nucleotide variants to traits in Populus trichocarpa , a species with rapid linkage disequilibrium decay. The aim was to overcome the challenge of interpreting stati…
View article: Design and Validation of a High-Throughput Reductive Catalytic Fractionation Method
Design and Validation of a High-Throughput Reductive Catalytic Fractionation Method Open
Reductive catalytic fractionation (RCF) is a promising method to extract and depolymerize lignin from biomass, and bench-scale studies have enabled considerable progress in the past decade. RCF experiments are typically conducted in pressu…
View article: Economic and Sustainability Impacts of Yield and Composition Variation in Bioenergy Crops: Switchgrass (<i>Panicum virgatum</i> L.)
Economic and Sustainability Impacts of Yield and Composition Variation in Bioenergy Crops: Switchgrass (<i>Panicum virgatum</i> L.) Open
Economically viable production of biobased products and fuels requires high-yielding, high-quality, sustainable process-advantaged crops, developed using bioengineering or advanced breeding approaches. Understanding which crop phenotypic t…
View article: Heterologous expression of Arabidopsis laccase2, laccase4 and peroxidase52 driven under developing xylem specific promoter DX15 improves saccharification in populus
Heterologous expression of Arabidopsis laccase2, laccase4 and peroxidase52 driven under developing xylem specific promoter DX15 improves saccharification in populus Open
Background Secondary cell wall holds considerable potential as it has gained immense momentum to replace the lignocellulosic feedstock into fuels. Lignin one of the components of secondary cell wall tightly holds the polysaccharides thereb…
View article: Atomistic, macromolecular model of the <i>Populus</i> secondary cell wall informed by solid-state NMR
Atomistic, macromolecular model of the <i>Populus</i> secondary cell wall informed by solid-state NMR Open
Plant secondary cell walls (SCWs) are composed of a heterogeneous interplay of three major biopolymers: cellulose, hemicelluloses, and lignin. Details regarding specific intermolecular interactions and higher-order architecture of the SCW …
View article: A Machine Learning Model for Predicting Composition of Catalytic Coprocessing Products from Molecular Beam Mass Spectra
A Machine Learning Model for Predicting Composition of Catalytic Coprocessing Products from Molecular Beam Mass Spectra Open
Demand for the development of an automated and integrated refining process for biofuels has increased in recent years due to the lack of generalized process inspection tools. In bio-oil upgrading processes, all process variables are mainta…
View article: Expression quantitative trait loci mapping identified <i>PtrXB38</i> as a key hub gene in adventitious root development in <i>Populus</i>
Expression quantitative trait loci mapping identified <i>PtrXB38</i> as a key hub gene in adventitious root development in <i>Populus</i> Open
Summary Plant establishment requires the formation and development of an extensive root system with architecture modulated by complex genetic networks. Here, we report the identification of the PtrXB38 gene as an expression quantitative tr…
View article: Intraspecies variability in plant and soil chemical properties in a common garden plantation of the energy crop<i>Populus</i>
Intraspecies variability in plant and soil chemical properties in a common garden plantation of the energy crop<i>Populus</i> Open
Optimizing crops for synergistic soil carbon (C) sequestration represents a frontier approach toward CO 2 removal in food and bioenergy production systems. While the central roles of plants in biological C capture and storage belowground i…
View article: Abundance of Major Cell Wall Components in Natural Variants and Pedigrees of Populus trichocarpa
Abundance of Major Cell Wall Components in Natural Variants and Pedigrees of Populus trichocarpa Open
The rapid analysis of biopolymers including lignin and sugars in lignocellulosic biomass cell walls is essential for the analysis of the large sample populations needed for identifying heritable genetic variation in biomass feedstocks for …
View article: Predicting Catalytic Pyrolysis Aromatic Selectivity from Pyrolysis Vapor Composition Using Mass Spectra Coupled with Statistical Analysis
Predicting Catalytic Pyrolysis Aromatic Selectivity from Pyrolysis Vapor Composition Using Mass Spectra Coupled with Statistical Analysis Open
The behavior of fast pyrolysis (FP) and catalytic FP (CFP) of 20 renewable feedstocks was studied in a microscale reactor with molecular beam mass spectral analysis of products generated. A partial least-squares (PLS) model was constructed…
View article: Genetic Modification of KNAT7 Transcription Factor Expression Enhances Saccharification and Reduces Recalcitrance of Woody Biomass in Poplars
Genetic Modification of KNAT7 Transcription Factor Expression Enhances Saccharification and Reduces Recalcitrance of Woody Biomass in Poplars Open
The precise role of KNAT7 transcription factors (TFs) in regulating secondary cell wall (SCW) biosynthesis in poplars has remained unknown, while our understanding of KNAT7 functions in other plants is continuously evolving. To study the i…
View article: Determination of Carbon Functional Groups in Pyrolysis Bio-Oils using <sup>13</sup>C NMR: Laboratory Analytical Procedure (LAP)
Determination of Carbon Functional Groups in Pyrolysis Bio-Oils using <sup>13</sup>C NMR: Laboratory Analytical Procedure (LAP) Open
Pyrolysis is a process that can be used to convert biomass to solid, liquid and gaseous products for use as renewable chemicals and fuels. The liquid fraction, known as “bio-oil” is complex and challenging to characterize, particularly by …
View article: Advanced spectrometric methods for characterizing bio-oils to enable refineries to reduce fuel carbon intensity during co-processing
Advanced spectrometric methods for characterizing bio-oils to enable refineries to reduce fuel carbon intensity during co-processing Open
A promising approach for supplementing petroleum-derived fuels to support reductions in green-house gas emissions is to convert abundant biomass feedstocks into renewable carbon-rich oils using pyrolysis. However, the resultant bio-oils co…
View article: Machine Learning-Based Classification of Lignocellulosic Biomass from Pyrolysis-Molecular Beam Mass Spectrometry Data
Machine Learning-Based Classification of Lignocellulosic Biomass from Pyrolysis-Molecular Beam Mass Spectrometry Data Open
High-throughput analysis of biomass is necessary to ensure consistent and uniform feedstocks for agricultural and bioenergy applications and is needed to inform genomics and systems biology models. Pyrolysis followed by mass spectrometry s…
View article: Importance of suberin biopolymer in plant function, contributions to soil organic carbon and in the production of bio-derived energy and materials
Importance of suberin biopolymer in plant function, contributions to soil organic carbon and in the production of bio-derived energy and materials Open
Suberin is a hydrophobic biopolymer of significance in the production of biomass-derived materials and in biogeochemical cycling in terrestrial ecosystems. Here, we describe suberin structure and biosynthesis, and its importance in biologi…
View article: Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass
Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass Open
Background Multiple analytical methods have been developed to determine the ratios of aromatic lignin units, particularly the syringyl/guaiacyl (S/G) ratio, of lignin biopolymers in plant cell walls. Chemical degradation methods such as th…
View article: Comparison of Methodologies used to Determine Aromatic Lignin Unit Ratios in Lignocellulosic Biomass
Comparison of Methodologies used to Determine Aromatic Lignin Unit Ratios in Lignocellulosic Biomass Open
Background Multiple analytical methods have been developed to determine the ratios of aromatic lignin units, particularly the syringyl/guaiacyl (S/G) ratio, of lignin biopolymers in plant cell walls. Chemical degradation methods such as th…
View article: Accurate Determination of Genotypic Variance of Cell Wall Characteristics of a Populus trichocarpa Pedigree Using High-Throughput Pyrolysis-Molecular Beam Mass Spectrometry
Accurate Determination of Genotypic Variance of Cell Wall Characteristics of a Populus trichocarpa Pedigree Using High-Throughput Pyrolysis-Molecular Beam Mass Spectrometry Open
Background Pyrolysis-molecular beam mass spectrometry (py-MBMS) analysis of a pedigree of Populus trichocarpa was performed to study the phenotypic plasticity and heritability of lignin content and lignin monomer composition. Instrumental …
View article: Additional file 1 of Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass
Additional file 1 of Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass Open
Additional file 1. S/G ratios determined by different methods, thioacidolysis yields, lignin content estimates, relative lignin linkage abundances and py-MBMS spectral peak TIC-normalized intensities for each sample analyzed in this study.
View article: Additional file 2 of Accurate determination of genotypic variance of cell wall characteristics of a Populus trichocarpa pedigree using high-throughput pyrolysis-molecular beam mass spectrometry
Additional file 2 of Accurate determination of genotypic variance of cell wall characteristics of a Populus trichocarpa pedigree using high-throughput pyrolysis-molecular beam mass spectrometry Open
Additional file 2: Annotations of ions in py-MBMS spectra
View article: Additional file 3 of Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass
Additional file 3 of Comparison of methodologies used to determine aromatic lignin unit ratios in lignocellulosic biomass Open
Additional file 3. Pearson correlation coefficients for various characteristics determined using all samples in this study.