William S. York

GlycoBrowser: A Tool for Contextual Visualization of Biological Data and Pathways Using Ontologies* (2009)

Matthew Eavenson, Maciej Janik, Shravya Nimmagadda, John A. Miller, Krys J. Kochut, William S. York

Abstract. This paper introduces GlycoBrowser, a dynamic biological pathway exploration and visualization tool. Its capabilities include incremental navigation of pathways, as well as overlaying...

GlycoBrowser: A Tool for Contextual Visualization of Biological Data and Pathways Using Ontologies (2008)

Matthew Eavenson, Maciej Janik, Shravya Nimmagadda, John A. Miller, Krys J. Kochut, William S. York

Abstract. This paper introduces GlycoBrowser, a dynamic biological pathway exploration and visualization tool. Its capabilities include incremental navigation of pathways, as well as overlaying...

W.S.: GlycoVault: A Bioinformatics Infrastructure for Glycan Pathway Visualization, Analysis and Modeling (2008)

S. Nimmagadda, A. Basu, M. Evenson, J. Han, M. Janik, R. Narra, ...

Glycan biosynthesis is the process by which glycans are built in the cells. Information about the process is available from several Web accessible databases, published papers, experimental data...

Moss and liverwort xyloglucans contain galacturonic acid and are structurally distinct from the xyloglucans synthesized by hornworts and vascular plants (2008)

Peña, Maria J, Darvill, Alan G., Eberhard, Stefan, York, William S, O’Neill, Malcolm A

Xyloglucan is a well-characterized hemicellulosic polysaccharide that is present in the cell walls of all seed-bearing plants. The cell walls of avascular and seedless vascular plants are also...

Modular Ontology Design Using Canonical Building Blocks in the Biochemistry Domain (2006)

Christopher J. Thomas, Amit P. Sheth, William S. York

The field of BioInformatics has become a major venue for the development and application of computational ontologies. Ranging from controlled vocabularies to annotation of experimental data to...

Modular Ontology Design Using Canonical Building Blocks in the Biochemistry Domain (2006)

Christopher J. Thomas, Amit P. Sheth, William S. York

The field of BioInformatics has become a major venue for the development and application of computational ontologies. Ranging from controlled vocabularies to annotation of experimental data to...

Modular Ontology Design Using Canonical Building Blocks in the Biochemistry Domain (2006)

Christopher J. Thomas, Amit P. Sheth, William S. York

The field of BioInformatics has become a major venue for the development and application of computational ontologies. Ranging from controlled vocabularies to annotation of experimental data to...

Masters Thesis: Constraint Driven Web Service Composition (2004)

Rohit Aggarwal, Maureen Grasso, John A. Miller, John A. Miller, William S. York

Creating Web processes using Web service technology gives us the opportunity for selecting new services which best suit our need at the moment. Doing this automatically would require us to quantify...

Preparation of oligomeric {beta}-glycosides from cellulose and hemicellulosic polysaccharides via the glycosyl transferase activity of a Trichoderma reesei cellulase (2000)

York, William S., Hawkins, Robert

Oligoglycosyl (allyl, 2,3-dihydroxypropyl, ethyl, 2-hydroxyethyl, and methyl) &bgr;-glycosides were generated by endo-transglycosylation reactions catalyzed by commercially available Trichoderma...

Characterization of a Tomato Xyloglucan Endotransglycosylase Gene That Is Down-Regulated by Auxin in Etiolated Hypocotyls1

Catalá, Carmen, Rose, Jocelyn K.C., York, William S., Albersheim, Peter, Darvill, Alan G., Bennett, Alan B.

The reorganization of the cellulose-xyloglucan matrix is proposed to serve as an important mechanism in the control of strength and extensibility of the plant primary cell wall. One of the key...

Bradyoxetin, a unique chemical signal involved in symbiotic gene regulation

Loh, John, Carlson, Russell W., York, William S., Stacey, Gary

Bradyrhizobium japonicum is a symbiotic bacterium that nodulates soybean. Critical for the infection and establishment of this symbiosis are the bacterial nodulation genes (nod, nol, noe), which are...

Analysis of Xyloglucan Fucosylation in Arabidopsis1

Perrin, Robyn M., Jia, Zhonghua, Wagner, Tanya A., O'Neill, Malcolm A., Sarria, Rodrigo, York, William S., ...

Xyloglucan (XyG) is a load-bearing primary wall component in dicotyledonous and non-graminaceous monocotyledonous plants. XyG fucosyltransferase (FUTase), encoded by the Arabidopsis gene AtFUT1,...

Inhibition of 2,4-Dichlorophenoxyacetic Acid-Stimulated Elongation of Pea Stem Segments by a Xyloglucan Oligosaccharide 1

York, William S., Darvill, Alan G., Albersheim, Peter

Xyloglucan, isolated from the soluble extracellular polysaccharides of suspension-cultured sycamore (Acer pseudoplatanus) cells, was digested with an endo-β-1,4-glucanase purified from the culture...

Nectarin IV, a Potent Endoglucanase Inhibitor Secreted into the Nectar of Ornamental Tobacco Plants. Isolation, Cloning, and Characterization12

Naqvi, S.M. Saqlan, Harper, April, Carter, Clay, Ren, Gang, Guirgis, Adel, York, William S., ...

We have isolated and characterized the Nectarin IV (NEC4) protein that accumulates in the nectar of ornamental tobacco plants (Nicotiana langsdorffii × Nicotiana sanderae var LxS8). This 60-kD...

Arabidopsis Fragile Fiber8, Which Encodes a Putative Glucuronyltransferase, Is Essential for Normal Secondary Wall Synthesis

Zhong, Ruiqin, Peña, Maria J., Zhou, Gong-Ke, Nairn, C. Joseph, Wood-Jones, Alicia, Richardson, Elizabeth A., ...

Secondary walls in vessels and fibers of dicotyledonous plants are mainly composed of cellulose, xylan, and lignin. Although genes involved in biosynthesis of cellulose and lignin have been...

Characterization of a Tomato Xyloglucan Endotransglycosylase Gene That Is Down-Regulated by Auxin in Etiolated Hypocotyls1

Catalá, Carmen, Rose, Jocelyn K.C., York, William S., Albersheim, Peter, Darvill, Alan G., Bennett, Alan B.

The reorganization of the cellulose-xyloglucan matrix is proposed to serve as an important mechanism in the control of strength and extensibility of the plant primary cell wall. One of the key...

Bradyoxetin, a unique chemical signal involved in symbiotic gene regulation

Loh, John, Carlson, Russell W., York, William S., Stacey, Gary

Bradyrhizobium japonicum is a symbiotic bacterium that nodulates soybean. Critical for the infection and establishment of this symbiosis are the bacterial nodulation genes (nod, nol, noe), which are...

Analysis of Xyloglucan Fucosylation in Arabidopsis1

Perrin, Robyn M., Jia, Zhonghua, Wagner, Tanya A., O'Neill, Malcolm A., Sarria, Rodrigo, York, William S., ...

Xyloglucan (XyG) is a load-bearing primary wall component in dicotyledonous and non-graminaceous monocotyledonous plants. XyG fucosyltransferase (FUTase), encoded by the Arabidopsis gene AtFUT1,...

Inhibition of 2,4-Dichlorophenoxyacetic Acid-Stimulated Elongation of Pea Stem Segments by a Xyloglucan Oligosaccharide 1

York, William S., Darvill, Alan G., Albersheim, Peter

Xyloglucan, isolated from the soluble extracellular polysaccharides of suspension-cultured sycamore (Acer pseudoplatanus) cells, was digested with an endo-β-1,4-glucanase purified from the culture...

Nectarin IV, a Potent Endoglucanase Inhibitor Secreted into the Nectar of Ornamental Tobacco Plants. Isolation, Cloning, and Characterization12

Naqvi, S.M. Saqlan, Harper, April, Carter, Clay, Ren, Gang, Guirgis, Adel, York, William S., ...

We have isolated and characterized the Nectarin IV (NEC4) protein that accumulates in the nectar of ornamental tobacco plants (Nicotiana langsdorffii × Nicotiana sanderae var LxS8). This 60-kD...

Arabidopsis Fragile Fiber8, Which Encodes a Putative Glucuronyltransferase, Is Essential for Normal Secondary Wall Synthesis

Zhong, Ruiqin, Peña, Maria J., Zhou, Gong-Ke, Nairn, C. Joseph, Wood-Jones, Alicia, Richardson, Elizabeth A., ...

Secondary walls in vessels and fibers of dicotyledonous plants are mainly composed of cellulose, xylan, and lignin. Although genes involved in biosynthesis of cellulose and lignin have been...

Arabidopsis irregular xylem8 and irregular xylem9: Implications for the Complexity of Glucuronoxylan Biosynthesis[W]

Peña, Maria J., Zhong, Ruiqin, Zhou, Gong-Ke, Richardson, Elizabeth A., O'Neill, Malcolm A., Darvill, Alan G., ...

Mutations of Arabidopsis thaliana IRREGULAR XYLEM8 (IRX8) and IRX9 were previously shown to cause a collapsed xylem phenotype and decreases in xylose and cellulose in cell walls. In this study, we...

Regulation of Glycan Structures in Animal Tissues: TRANSCRIPT PROFILING OF GLYCAN-RELATED GENES*S⃞

Nairn, Alison V., York, William S., Harris, Kyle, Hall, Erica M., Pierce, J. Michael, Moremen, Kelley W.

Glycan structures covalently attached to proteins and lipids play numerous roles in mammalian cells, including protein folding, targeting, recognition, and adhesion at the molecular or cellular...