Search Results - "Helbert, William"

Discovery of novel carbohydrate-active enzymes through the rational exploration of the protein sequences space by Helbert, William, Poulet, Laurent, Drouillard, Sophie, Mathieu, Sophie, Loiodice, Mélanie, Couturier, Marie, Lombard, Vincent, Terrapon, Nicolas, Turchetto, Jeremy, Vincentelli, Renaud, Henrissat, Bernard

“…Over the last two decades, the number of gene/protein sequences gleaned from sequencing projects of individual genomes and environmental DNA has grown…”
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Transfer of carbohydrate-active enzymes from marine bacteria to Japanese gut microbiota by Hehemann, Jan-Hendrik, Correc, Gaëlle, Barbeyron, Tristan, Helbert, William, Czjzek, Mirjam, Michel, Gurvan

“…The sushi factor One of the useful roles performed by the human gut microbiota is to supply digestive enzymes missing from the human genome. For instance,…”
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Structural and functional characterization of PL28 family ulvan lyase NLR48 from Nonlabens ulvanivorans by Ulaganathan, ThirumalaiSelvi, Banin, Ehud, Helbert, William, Cygler, Miroslaw

“…Ulvan is a complex sulfated polysaccharide present in the cell wall of green algae of the genus Ulva (Chlorophyta). The first ulvan-degrading polysaccharide…”
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Diatom-Specific Oligosaccharide and Polysaccharide Structures Help to Unravel Biosynthetic Capabilities in Diatoms by Gügi, Bruno, Le Costaouec, Tinaïg, Burel, Carole, Lerouge, Patrice, Helbert, William, Bardor, Muriel

“…Diatoms are marine organisms that represent one of the most important sources of biomass in the ocean, accounting for about 40% of marine primary production,…”
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Functional Exploration of the Polysaccharide Lyase Family PL6 by Mathieu, Sophie, Henrissat, Bernard, Labre, Flavien, Skjåk-Bræk, Gudmund, Helbert, William

“…Alginate, the main cell-wall polysaccharide of brown algae, is composed of two residues: mannuronic acid (M-residues) and, its C5-epimer, guluronic acid…”
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Functional exploration of the glycoside hydrolase family GH113 by Couturier, Marie, Touvrey-Loiodice, Mélanie, Terrapon, Nicolas, Drula, Elodie, Buon, Laurine, Chirat, Christine, Henrissat, Bernard, Helbert, William

“…β-Mannans are a heterogeneous group of polysaccharides with a common main chain of β-1,4-linked mannopyranoside residues. The cleavage of β-mannan chains is…”
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New Ulvan-Degrading Polysaccharide Lyase Family: Structure and Catalytic Mechanism Suggests Convergent Evolution of Active Site Architecture by Ulaganathan, ThirumalaiSelvi, Boniecki, Michal T, Foran, Elizabeth, Buravenkov, Vitaliy, Mizrachi, Naama, Banin, Ehud, Helbert, William, Cygler, Miroslaw

“…Ulvan is a complex sulfated polysaccharide biosynthesized by green seaweed and contains predominantly rhamnose, xylose, and uronic acid sugars. Ulvan-degrading…”
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New Insights into the Structure of Kappa/Beta-Carrageenan: A Novel Potential Inhibitor of HIV-1 by Yermak, Irina, Anastyuk, Stanislav, Kravchenko, Anna, Helbert, William, Glazunov, Valery, Shulgin, Andrey, Spirin, Pavel, Prassolov, Vladimir

“…New insights into the structure of the hybrid κ/β-carrageenan (κ/β-CRG) of the red alga have been obtained. Carrageenan oligosaccharides were prepared through…”
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NMR Analyses of the Enzymatic Degradation End-Products of Diabolican: The Secreted EPS of Vibrio diabolicus CNCM I-1629 by Drouillard, Sophie, Poulet, Laurent, Boisset, Claire, Delbarre-Ladrat, Christine, Helbert, William

“…Diabolican, or HE800, is an exopolysaccharide secreted by the non-pathogenic Gram-negative marine bacterium (CNCM I-1629). This polysaccharide was…”
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Biochemical and Structural Characterization of the Complex Agarolytic Enzyme System from the Marine Bacterium Zobellia galactanivorans by Hehemann, Jan-Hendrik, Correc, Gaëlle, Thomas, François, Bernard, Thomas, Barbeyron, Tristan, Jam, Murielle, Helbert, William, Michel, Gurvan, Czjzek, Mirjam

“…Zobellia galactanivorans is an emerging model bacterium for the bioconversion of algal biomass. Notably, this marine Bacteroidetes possesses a complex…”
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Bioconversion of red seaweed galactans : a focus on bacterial agarases and carrageenases by MICHEL, Gurvan, NYVAL-COLLEN, Pi, BARBEYRON, Tristan, CZJZEK, Miriam, HELBERT, William

“…Agars and carrageenans are 1,3-alpha-1,4-beta-galactans from the cell walls of red algae, substituted by zero (agarose), one (kappa-), two (iota-), or three…”
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Functional characterization of a novel “ulvan utilization loci” found in Alteromonas sp. LOR genome by Foran, Elizabeth, Buravenkov, Vitaliy, Kopel, Moran, Mizrahi, Naama, Shoshani, Sivan, Helbert, William, Banin, Ehud

“…Green algae belonging to the genus Ulvales are known to produce ulvan which is one of the main polysaccharide components of their cell wall. Ulvan is composed…”
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Ulvan Lyases Isolated from the Flavobacteria Persicivirga ulvanivorans Are the First Members of a New Polysaccharide Lyase Family by Nyvall Collén, Pi, Sassi, Jean-François, Rogniaux, Hélène, Marfaing, Hélène, Helbert, William

“…Ulvans are complex sulfated polysaccharides found in the cell walls of green algae belonging to the genus Ulva. These polysaccharides are composed of…”
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Structure of the Polysaccharide Secreted by Vibrio alginolyticus CNCM I-5035 (Epidermist 4.0 TM ) by Drouillard, Sophie, Chambon, Rémi, Jeacomine, Isabelle, Buon, Laurine, Boisset, Claire, Courtois, Anthony, Thollas, Bertrand, Morvan, Pierre-Yves, Vallée, Romuald, Helbert, William

“…(CNCM I-5035) secretes an exopolysaccharide used as ingredient in cosmetic industry under the trademark Epidermist 4.0 . It is appreciated for its ability to…”
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Structure of an Amino Acid-Decorated Exopolysaccharide Secreted by a Vibrio alginolyticus Strain by Drouillard, Sophie, Jeacomine, Isabelle, Buon, Laurine, Boisset, Claire, Courtois, Anthony, Thollas, Bertrand, Morvan, Pierre-Yves, Vallée, Romuald, Helbert, William

“…Vibrio alginolyticus (CNCM I-4994) secretes an exopolysaccharide that can be used as an ingredient in cosmetic applications. The structure was resolved using…”
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Draft Genome Sequence of Nonlabens ulvanivorans, an Ulvan-Degrading Bacterium by Kopel, Moran, Helbert, William, Henrissat, Bernard, Doniger, Tirza, Banin, Ehud

“…Here we report the draft genome sequence of the bacterium Nonlabens ulvanivorans, which was recently isolated. To our knowledge, this is the first published…”
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Marine Polysaccharide Sulfatases by Helbert, William

“…Polysaccharides are the most abundant and the most complex organic molecules in the ocean. In contrast to land polysaccharides, many marine polysaccharides are…”
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Parallel-Up Structure Evidences the Molecular Directionality during Biosynthesis of Bacterial Cellulose by Koyama, Makiko, Helbert, William, Imai, Tomoya, Sugiyama, Junji, Henrissat, Bernard

“…The ``parallel-up'' packing in cellulose Iαand Iβunit cells was experimentally demonstrated by a combination of direct-staining the reducing ends of cellulose…”
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Internal structure of the starch granule revealed by AFM by Baker, Andrew A., Miles, Mervyn J., Helbert, William

“…Atomic force microscopy images of sectioned native corn starch granules show evidence of the well-known radial organisation of the starch macromolecules, with…”
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Sulfate groups position determines the ionic selectivity and syneresis properties of carrageenan systems by Elmarhoum, Said, Mathieu, Sophie, Ako, Komla, Helbert, William

“…The salt sensitivity and selectivity feature of α-carrageenan (α-Car) were investigated and compared with κ-carrageenan (κ-Car) and iota-carrageenan (ι-Car)…”
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