FN Archimer Export Format PT J TI Distribution in Tissue and Seasonal Variation of Norovirus Genogroup I and II Ligands in Oysters BT AF MAALOUF, Haifa ZAKHOUR, Maha LE PENDU, Jacques LE SAUX, Jean-Claude ATMAR, Robert L. LE GUYADER, Francoise S. AS 1:1;2:2;3:2;4:1;5:3;6:1; FF 1:PDG-DOP-DCN-EMP-MIC;2:;3:;4:PDG-DOP-DCN-EMP-MIC;5:;6:; C1 IFREMER, Microbiol Lab, F-44311 Nantes 03, France. Univ Nantes, INSERM, U892, Nantes, France. Baylor Coll Med, Dept Mol Virol & Microbiol, Houston, TX 77030 USA. C2 IFREMER, FRANCE UNIV NANTES, FRANCE BAYLOR COLL MED, USA SI NANTES BREST SE PDG-DOP-DCN-EMP-MIC IN WOS Ifremer jusqu'en 2018 copubli-france copubli-univ-france copubli-int-hors-europe IF 3.778 TC 101 UR https://archimer.ifremer.fr/doc/00011/12215/9045.pdf LA English DT Article AB Bivalve molluscan shellfish, such as oysters, filter large volumes of water as part of their feeding activities and are able to accumulate and concentrate different types of pathogens, particularly noroviruses, from fecal human pollution. Based on our previous observation of a specific binding of the Norwalk strain (prototype norovirus genogroup I) to the oyster digestive tract through an A-like carbohydrate structure indistinguishable from human blood group A antigen and on the large diversity between strains in terms of carbohydrate-binding specificities, we evaluated the different ligands implicated in attachment to oysters tissues of strains representative of two main genogroups of human norovirus. The GI.1 and GII.4 strains differed in that the latter recognized a sialic acid-containing ligand, present in all tissues, in addition to the A-like ligand of the digestive tract shared with the GI.1 strain. Furthermore, bioaccumulation experiments using wild-type or mutant GI.1 Viruslike particles showed accumulation in hemocytes largely, but not exclusively, based on interaction with the A-like ligand. Moreover, a seasonal effect on the expression of these ligands was detected, most visibly for the GI.1 strain, with a peak in late winter and spring, a period when GI strains are regularly involved in oyster-related outbreaks. These observations may explain some of the distinct epidemiological features of strains from different genogroups. PY 2010 PD AUG SO Applied And Environmental Microbiology SN 0099-2240 PU Amer Soc Microbiology VL 76 IS 16 UT 000280633400035 BP 5621 EP 5630 DI 10.1128/AEM.00148-10 ID 12215 ER EF