Výsledky vyhledávání - "Emeline Richard"

Hijacking the Peptidoglycan Recycling Pathway of Escherichia coli to Produce Muropeptides

Autor: Antoine Rousseau, Julie Michaud, Stéphanie Pradeau, Sylvie Armand, Sylvain Cottaz, Emeline Richard, Sébastien Fort

Publikováno v: Chemistry – A European Journal. 29

Soluble fragments of peptidoglycan called muropeptides are released from the cell wall of bacteria as part of their metabolism or as a result of biological stresses. These compounds trigger immune responses in mammals and plants. In bacteria, they pl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eaff6dde7909d524cecc0c5966789dc
https://doi.org/10.1002/chem.202202991

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Biotechnological production of sialylated solid lipid microparticles as inhibitors of influenza A virus infection

Autor: Emeline Richard, Aurélien Traversier, Thomas Julien, Manuel Rosa-Calatrava, Jean-Luc Putaux, Isabelle Jeacomine, Eric Samain

Publikováno v: Glycobiology
Glycobiology, 2022, ⟨10.1093/glycob/cwac054⟩

Influenza viruses bind to their target through a multivalent interaction of their hemagglutinins (HAs) with sialosides at the host cell surface. To fight the virus, one therapeutic approach consists in developing sialylated multivalent structures tha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fcdc18cb612697b4a89f8abf6c0c6ac
https://cnrs.hal.science/hal-03851647/document

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A New Route to NAG‐NAM Disaccharide, an Important Building Block for Peptidoglycan Oligomer Synthesis

Autor: Isabelle Jeacomine, Sylvie Armand, Emeline Richard, Sébastien Fort, Sylvain Cottaz, Antoine Rousseau

Publikováno v: Asian Journal of Organic Chemistry
Asian Journal of Organic Chemistry, Wiley, In press, ⟨10.1002/ajoc.202100547⟩

International audience; Peptidoglycan oligomers constitute precious tools for the biochemical and structural studies of enzymes involved in the bacterial cell wall metabolism. In this study we show that an unprecedented selective Zemplén de-O-acetyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::578e913cda3eb102759865425da8fffc
https://hal.archives-ouvertes.fr/hal-03374259

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Substrate binding mode and catalytic mechanism of human heparan sulfate d-glucuronyl C5 epimerase

Autor: Emeline Richard, Véronique Roig-Zamboni, Hugues Lortat-Jacob, Firas Fadel, Jérôme Hénault, Adeline Goulet, Christine Le Narvor, Yves Bourne, David Bonnaffé, Vincent Delauzun, C. Debarnot, Yoan R. Monneau, Bernard Priem, Romain R. Vivès

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2019, 116 (14), pp.6760-6765. ⟨10.1073/pnas.1818333116⟩
Proceedings of the National Academy of Sciences of the United States of America, National Academy of Sciences, 2019, pp.201818333. ⟨10.1073/pnas.1818333116⟩
Proceedings of the National Academy of Sciences of the United States of America, 2019, 116 (14), pp.6760-6765. ⟨10.1073/pnas.1818333116⟩

Heparan sulfate (HS) is a linear, complex polysaccharide that modulates the biological activities of proteins through binding sites made by a series of Golgi-localized enzymes. Of these, glucuronyl C5-epimerase (Glce) catalyzes C5-epimerization of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f534dfa4e1c1196a83a65edeecbf515
https://hal-amu.archives-ouvertes.fr/hal-02339215/document

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Bacterial synthesis of polysialic acid lactosides in recombinantEscherichia coliK-12

Autor: Bernard Priem, Sophie Drouillard, Laurine Buon, Sébastien Fort, Emeline Richard

Publikováno v: Glycobiology
Glycobiology, Oxford University Press (OUP), 2016, 26 (7), pp.723-731. ⟨10.1093/glycob/cww027⟩

Bacterial polysialyltransferases (PSTs) are processive enzymes involved in the synthesis of polysialic capsular polysaccharides. They can also synthesize polysialic acid in vitro from disialylated and trisialylated lactoside acceptors, which are the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f95d72641a141d1e0e19672f3dbf307
https://doi.org/10.1093/glycob/cww027

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Chemobacterial Synthesis of a Sialyl-Tn Cyclopeptide Vaccine Candidate

Autor: Emeline Richard, Olivier Renaudet, Eric Samain, Michele Fiore, Carlo Pifferi, Bernard Priem, Sébastien Fort, Audrey Le Gouellec

Publikováno v: ChemBioChem
ChemBioChem, Wiley-VCH Verlag, 2017, 18 (17), pp.1730-1734. ⟨10.1002/cbic.201700240⟩
ChemBioChem, 2017, 18 (17), pp.1730-1734. ⟨10.1002/cbic.201700240⟩

International audience; A conjugatable form of the tumour-associated carbohydrate antigen sialyl-Tn (Neu5Ac-α-2,6-GalNAc) was efficiently produced in Escherichia coli. Metabolically engineered E. coli strains overexpressing the 6-sialyltransferase g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94e7f5d660466ce14f3be7914a69c42d
https://pubmed.ncbi.nlm.nih.gov/28632300

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Production of intracellular heparosan and derived oligosaccharides by lyase expression in metabolically engineered E. coli K-12

Autor: Bernard Priem, Eric Samain, Sophie Drouillard, Hélène Barreteau, Emeline Richard

Publikováno v: Carbohydrate Research. 360:19-24

The cluster of genes of capsular K5 heparosan is composed of three regions, involved in the synthesis and the exportation of the polysaccharide. The region 2 possesses all the necessary genes involved in the synthesis of heparosan, namely kfiA, encod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2220d562f0fc60b44af8fb4ad91e66f
https://doi.org/10.1016/j.carres.2012.07.013

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