Výsledky vyhledávání - "Nicolai Obel"

Microanalysis of Plant Cell Wall Polysaccharides

Autor: S. Kuhnel, Andrea Fodor, Markus Pauly, Nicolai Obel, Veronika Erben, Tatjana Schwarz

Publikováno v: Molecular Plant, 2(5), 922-932
Molecular Plant 2 (2009) 5

Oligosaccharide Mass Profiling (OLIMP) allows a fast and sensitive assessment of cell wall polymer structure when coupled with Matrix Assisted Laser Desorption Ionisation Time Of Flight Mass Spectrometry (MALDI-TOF MS). The short time required for sa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9065bddc2305849aae8e6fa05e554f0
https://doi.org/10.1093/mp/ssp046

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Molecular characterization of two Arabidopsis thaliana glycosyltransferase mutants, rra1 and rra2, which have a reduced residual arabinose content in a polymer tightly associated with the cellulosic wall residue

Autor: Peter Ulvskov, Nicolai Obel, Antony Bacic, Naomi Geshi, Bent O. Petersen, Markus Pauly, Jack Egelund

Publikováno v: Plant Molecular Biology. 64:439-451

Two putative glycosyltransferases in Arabidopsis thaliana, designated reduced residual arabinose-1 and -2 (RRA1 and RRA2), are characterized at the molecular level. Both genes are classified in CAZy GT-family-77 and are phylogenetically related to pu

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https://doi.org/10.1007/s11103-007-9162-y

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Characterization of plant oligosaccharides by matrix-assisted laser desorption/ionization and electrospray mass spectrometry

Autor: Lobvi E. Matamoros Fernandez, Henrik Vibe Scheller, Nicolai Obel, Peter Roepstorff

Publikováno v: Journal of Mass Spectrometry. 38:427-437

Structural characterization of arabinoxylans from wheat by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) and electrospray ionization (ESI) mass spectrometry using a Q-TOF mass analyser (ESI-Q-TOF) or an ion trap (IT) mass ana

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https://doi.org/10.1002/jms.455

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Intracellular feruloylation of arabinoxylan in wheat: evidence for feruloyl-glucose as precursor

Autor: Andrea Celia Porchia, Nicolai Obel, Henrik Vibe Scheller

Publikováno v: Scopus-Elsevier

Incorporation of [(3)H]arabinose and [(14)C]ferulic acid into soluble and polymeric fractions from suspension-cultured wheat (Triticum aestivum L.) cells and the corresponding extracellular medium was studied. The major part of these products was ide

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https://doi.org/10.1007/s00425-002-0863-9

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Enzymatic Synthesis and Purification of Caffeoyl-CoA, p-Coumaroyl-CoA, and Feruloyl-CoA

Autor: Henrik Vibe Scheller, Nicolai Obel

Publikováno v: Analytical Biochemistry. 286:38-44

An enzyme preparation from wheat seedlings containing p-coumaroyl:CoA ligase activity was used to synthesize caffeoyl-CoA, p-coumaroyl-CoA, and feruloyl-CoA. The same enzyme preparation also contains caffeic acid-3-O-methyl transferase and caffeoyl-C

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d8a22148312531d2ad53df784c9dfe1
https://doi.org/10.1006/abio.2000.4760

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Pectin may hinder the unfolding of xyloglucan chains during cell deformation : implications of the mechanical performance of Arabidopsis hypocotyls with pectin alterations

Autor: Antje Reinecke, Markus Pauly, Ingo Burgert, W. P. Abasolo, John W. C. Dunlop, Nicolai Obel, Kazuchika Yamauchi, Michaela Eder, Grégory Mouille, Lutz Neumetzler, Herman Höfte

Publikováno v: Molecular Plant

Plant cell walls, like a multitude of other biological materials, are natural fiber-reinforced composite materials. Their mechanical properties are highly dependent on the interplay of the stiff fibrous phase and the soft matrix phase and on the matr

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https://hdl.handle.net/11858/00-001M-0000-0015-4F2B-B11858/00-001M-0000-0015-4F29-F

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Overexpression of pectin methylesterase inhibitors in Arabidopsis restricts fungal infection by Botrytis cinerea

Autor: Daniela Bellincampi, Alfonso Giovane, Alessandro Raiola, Laura Camardella, Felice Cervone, Vincenzo Lionetti, Francesco Favaron, Markus Pauly, Nicolai Obel

Publikováno v: Plant physiology (Bethesda) 143 (2007): 1871–1880.
info:cnr-pdr/source/autori:Lionetti V, Raiola A, Camardella L, Giovane A, Obel N, Pauly M, Favaron F, Cervone F, Bellincampi D./titolo:Overexpression of pectin methylesterase inhibitors in Arabidopsis restricts fungal infection by Botrytis cinerea./doi:/rivista:Plant physiology (Bethesda)/anno:2007/pagina_da:1871/pagina_a:1880/intervallo_pagine:1871–1880/volume:143

Pectin, one of the main components of plant cell wall, is secreted in a highly methylesterified form and is demethylesterified in muro by pectin methylesterase (PME). The action of PME is important in plant development and defense and makes pectin su

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http://hdl.handle.net/11573/365421

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Hemicelluloses and Cell Expansion

Autor: Nicolai Obel, Markus Pauly, Lutz Neumetzler

Publikováno v: The Expanding Cell ISBN: 9783540391142

Hemicelluloses are defined as wall polysaccharides that are not solubilized from wall materials with buffers, hot water, or chelating agents but only with more or less strong chaotropic agents such as alkali (O'Neill and York 2003). The most abundant

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https://doi.org/10.1007/7089_2006_071

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Characterization of plant oligosaccharides by matrix-assisted laser desorption/ionization and electrospray mass spectrometry

Autor: Lobvi E, Matamoros Fernández, Nicolai, Obel, Henrik Vibe, Scheller, Peter, Roepstorff

Publikováno v: Journal of mass spectrometry : JMS. 38(4)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::7c192b64c6a5831589f31b5154c98abe
https://pubmed.ncbi.nlm.nih.gov/12717755

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Differentiation of isomeric oligosaccharide structures by ESI tandem MS and GC-MS

Autor: Lobvi E. Matamoros Fernandez, Henrik Vibe Scheller, Peter Roepstorff, Nicolai Obel

Publikováno v: Matamoros Fernandez, L E, Obel, N, Scheller, H N & Roepstorff, P 2004, ' Differentiation of isomeric oligosaccharide structures by ESI tandem MS and GC-MS ', Carbohydrate Research, vol. 339, pp. 655-664 . https://doi.org/10.1016/j.carres.2003.09.016

A mixture of arabinoxylan oligosaccharides from wheat seedling was permethylated and analyzed by electrospray ion trap MS and GC-MS. The presence of isomeric structures differing in degree of branching and position of the branched residue along the x

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https://pubmed.ncbi.nlm.nih.gov/15013403

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