Publications by authors named "William Helbert"

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The porphyran degradation system is complete, phylogenetically and geographically diverse across the gut microbiota of East Asian populations.
Laure Ségurel, Thirumalai Selvi Ulaganathan, Sophie Mathieu, Mélanie Loiodice, Laurent Poulet, William Helbert

PLoS One· August 2025

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Division of the large and multifunctional glycoside hydrolase family 2: high functional specificity and biochemical assays in the uncharacterized subfamilies.
Annie Lebreton, Marie-Line Garron, Marlene Vuillemin, Bo Pilgaard, Bastian V H Hornung, William Helbert

Biotechnol Biofuels Bioprod· July 2025

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Bacterial polysaccharide lyase family 33: Specificity from an evolutionarily conserved binding tunnel.
Mélanie Loiodice, Elodie Drula, Zak McIver, Svetlana Antonyuk, Arnaud Baslé, William Helbert

Proc Natl Acad Sci U S A· February 2025

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Sulfate groups position determines the ionic selectivity and syneresis properties of carrageenan systems.
Said Elmarhoum, Sophie Mathieu, Komla Ako, William Helbert

Carbohydr Polym· January 2023

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NMR Analyses of the Enzymatic Degradation End-Products of Diabolican: The Secreted EPS of CNCM I-1629.
Sophie Drouillard, Laurent Poulet, Claire Boisset, Christine Delbarre-Ladrat, William Helbert

Mar Drugs· November 2022

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Structure and enzymatic degradation of the polysaccharide secreted by Nostoc commune.
Sophie Drouillard, Laurent Poulet, Eric Marechal, Alberto Amato, Laurine Buon, William Helbert

Carbohydr Res· May 2022

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Functional exploration of the glycoside hydrolase family GH113.
Marie Couturier, Mélanie Touvrey-Loiodice, Nicolas Terrapon, Elodie Drula, Laurine Buon, William Helbert

PLoS One· April 2022

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Exploring molecular determinants of polysaccharide lyase family 6-1 enzyme activity.
Sébastien Violot, Frédéric Galisson, Loïc Carrique, Vinesh Jugnarain, Léa Conchou, William Helbert

Glycobiology· December 2021

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New Insights into the Structure of Kappa/Beta-Carrageenan: A Novel Potential Inhibitor of HIV-1.
Irina Yermak, Stanislav Anastyuk, Anna Kravchenko, William Helbert, Valery Glazunov

Int J Mol Sci· November 2021

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Structure of the Polysaccharide Secreted by CNCM I-5035 (Epidermist 4.0).
Sophie Drouillard, Rémi Chambon, Isabelle Jeacomine, Laurine Buon, Claire Boisset, William Helbert

Mar Drugs· October 2020

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Functional exploration of Pseudoalteromonas atlantica as a source of hemicellulose-active enzymes: Evidence for a GH8 xylanase with unusual mode of action.
Sayani Ray, Jacqueline Vigouroux, Axelle Bouder, Mathilde Francin Allami, Audrey Geairon, William Helbert

Enzyme Microb Technol· August 2019

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Discovery of novel carbohydrate-active enzymes through the rational exploration of the protein sequences space.
William Helbert, Laurent Poulet, Sophie Drouillard, Sophie Mathieu, Mélanie Loiodice

Proc Natl Acad Sci U S A· March 2019

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Structural and functional characterization of PL28 family ulvan lyase NLR48 from .
ThirumalaiSelvi Ulaganathan, Ehud Banin, William Helbert, Miroslaw Cygler

J Biol Chem· July 2018

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Structure of the Exopolysaccharide Secreted by a Marine Strain Vibrio alginolyticus.
Sophie Drouillard, Isabelle Jeacomine, Laurine Buon, Claire Boisset, Anthony Courtois, William Helbert

Mar Drugs· May 2018

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Ancient acquisition of "alginate utilization loci" by human gut microbiota.
Sophie Mathieu, Mélanie Touvrey-Loiodice, Laurent Poulet, Sophie Drouillard, Renaud Vincentelli, William Helbert

Sci Rep· May 2018

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DMTMM-mediated amidation of alginate oligosaccharides aimed at modulating their interaction with proteins.
Flavien Labre, Sophie Mathieu, Patricia Chaud, Pierre-Yves Morvan, Romuald Vallée, William Helbert

Carbohydr Polym· March 2018

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Structure-function analyses of a PL24 family ulvan lyase reveal key features and suggest its catalytic mechanism.
ThirumalaiSelvi Ulaganathan, William Helbert, Moran Kopel, Ehud Banin, Miroslaw Cygler

J Biol Chem· March 2018

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Functional Exploration of the Polysaccharide Lyase Family PL6.
Sophie Mathieu, Bernard Henrissat, Flavien Labre, Gudmund Skjåk-Bræk, William Helbert

PLoS One· July 2017

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New Ulvan-Degrading Polysaccharide Lyase Family: Structure and Catalytic Mechanism Suggests Convergent Evolution of Active Site Architecture.
ThirumalaiSelvi Ulaganathan, Michal T Boniecki, Elizabeth Foran, Vitaliy Buravenkov, Naama Mizrachi, William Helbert

ACS Chem Biol· May 2017

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Structural analysis and cytokine-induced activity of gelling sulfated polysaccharide from the cystocarpic plants of Ahnfeltiopsis flabelliformis.
Anna O Kravchenko, Stanislav D Anastyuk, Ekaterina V Sokolova, Vladimir V Isakov, Valery P Glazunov, William Helbert

Carbohydr Polym· October 2016

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New Family of Ulvan Lyases Identified in Three Isolates from the Alteromonadales Order.
Moran Kopel, William Helbert, Yana Belnik, Vitaliy Buravenkov, Asael Herman

J Biol Chem· March 2016

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Enzyme-Assisted Preparation of Furcellaran-Like κ-/β-Carrageenan.
Aurélie Préchoux, Sabine Genicot, Hélène Rogniaux, William Helbert

Mar Biotechnol (NY)· February 2016

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Structure of an Amino Acid-Decorated Exopolysaccharide Secreted by a Vibrio alginolyticus Strain.
Sophie Drouillard, Isabelle Jeacomine, Laurine Buon, Claire Boisset, Anthony Courtois, William Helbert

Mar Drugs· October 2015

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Diatom-Specific Oligosaccharide and Polysaccharide Structures Help to Unravel Biosynthetic Capabilities in Diatoms.
Bruno Gügi, Tinaïg Le Costaouec, Carole Burel, Patrice Lerouge, William Helbert

Mar Drugs· September 2015

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Draft Genome Sequence of Pseudoalteromonas sp. Strain PLSV, an Ulvan-Degrading Bacterium.
Moran Kopel, William Helbert, Bernard Henrissat, Tirza Doniger, Ehud Banin

Genome Announc· December 2014

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