Journal ArticleDOI
Two high-throughput techniques for determining wood properties as part of a molecular genetics analysis of hybrid poplar and loblolly pine
Gerald A. Tuskan,Darrell C. West,Harvey D. Bradshaw,David B. Neale,Mitch Sewell,Nicholas C. Wheeler,Bob Megraw,Keith S. Jech,Art Wiselogel,Robert J. Evans,Carolyn C. Elam,Mark F. Davis,Ron Dinus +12 more
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TLDR
In this paper, two new high-throughput put techniques, computer tomography X-ray densitometry (CT scan) and pyrolysis molecular beam mass spectrometry (pyMBMS), coupled with quantitative trait loci (QTL) analysis, were tested as a means to overcome the time and cost associated with conventional characterization of biomass feedstock components.Abstract:
Two new high-through put techniques, computer tomography X-ray densitometry (CT scan) and pyrolysis molecular beam mass spectrometry (pyMBMS), coupled with quantitative trait loci (QTL) analysis, were tested as a means to overcome the time and cost associated with conventional characterization of biomass feedstock components. Applications of these two techniques were evaluated using hybrid poplar for the CT scan and loblolly pine for the pyMBMS. Segregating progeny from hybrid poplar varied in specific gravity, with individual mean estimates ranging from 0.21–0.41. Progeny from loblolly pine varied in lignin, α cellulose, and mannan contents, with individual mean estimates of lignin content ranging from 28.7–33.1%, α cellulose content from 28.8–43.5% and mannan content from 4.2–10.1%. QTL analysis of the loblolly pine data suggested that eleven QTLs were associated with individual feedstock characteristics and that two QTLs for several feedstock components were linked to the same position on the loblolly pine genetic map. Each QTL individually accounted for 7–13% of the total phenotypic variation in associated loblolly pine feedstock components.read more
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Journal ArticleDOI
Poplar as a feedstock for biofuels: A review of compositional characteristics
TL;DR: In this article, the composition of the key chemical constituents of hybrid poplar species used for bio-fuels is reviewed, with emphasis on lignin struc- ture.
Journal ArticleDOI
Lignin content in natural Populus variants affects sugar release.
Michael Hans-Peter Studer,Jaclyn D. DeMartini,Mark F. Davis,Robert W. Sykes,Brian H. Davison,Martin Keller,Gerald A. Tuskan,Charles E. Wyman +7 more
TL;DR: Factors beyond lignin and S/G ratio influence recalcitrance to sugar release are suggested and point to a critical need for deeper understanding of cell-wall structure before plants can be rationally engineered for reduced recal citrance and efficient biofuels production.
Journal ArticleDOI
Unravelling cell wall formation in the woody dicot stem.
TL;DR: Populus is presented as a model system for the study of wood formation and high-resolution analysis of auxin distribution across cambial region tissues suggests that auxin provides positional information for the exit of cells from the meristem and probably also for the duration of cell expansion.
Journal ArticleDOI
Genomic selection in forest tree breeding
Dario Grattapaglia,Dario Grattapaglia,Marcos Deon Vilela de Resende,Marcos Deon Vilela de Resende +3 more
TL;DR: The cautiously optimistic outlook is that GS has great potential to accelerate tree breeding, however, further simulation studies and proof-of-concept experiments of GS are needed before recommending it for operational implementation.
Journal ArticleDOI
Poplar genome sequence: functional genomics in an ecologically dominant plant species
TL;DR: How the genome sequence and transformability of poplar, together with its high levels of genetic and ecological diversity, are enabling new insights into the genetic programs controlling ontogeny, ecological adaptation and environmental physiology of trees is discussed.
References
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Journal ArticleDOI
Genetic dissection of complex traits: guidelines for interpreting and reporting linkage results
Eric S. Lander,Leonid Kruglyak +1 more
TL;DR: Specific standards designed to maintain rigor while also promoting communication are proposed for the interpretation of linkage results in genetic studies under way for many complex traits.
BookDOI
Wood: chemistry, ultrastructure, reactions.
Dietrich Fengel,Gerd Wegener +1 more
TL;DR: The anatomy and chemistry of wood are described in detail, and with extensive reference to the literature, under the following headings: Introduction; Structure and ultrastructure; Chemical composition and analysis of wood; Cellulose; Polyoses (hemicelluloses); Lignin; Extractives; Distribution of the components within the wood cell wall; Constituents of bark; Reactions in acidic medium; reactions in alkaline medium; Influence of temperature; Degradation by light and ionizing rays; Microbial and enzymatic degradation; Aging and fossilization; Pul
Book
Wood Chemistry: Fundamentals and Applications
TL;DR: The authors examines the basic principles of wood chemistry and its potential applications to pulping and papermaking, wood and wood waste utilization, pulping by-products for production of chemicals and energy, and biomass conversion.
Journal ArticleDOI
A simple regression method for mapping quantitative trait loci in line crosses using flanking markers.
Chris Haley,Sara Knott +1 more
TL;DR: Methods for mapping QTL based on multiple regression which can be applied using any general statistical package are developed and it is shown that these regression methods produce very similar results to those obtained using maximum likelihood.
Book
Handbook for Pulp and Paper Technologists
TL;DR: Handbook for pulp and paper technologists as mentioned in this paper, Handbook for pulp & paper technologist, Handbook for P&P technologists, 2015.1.2.1].
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