Resumen
Influenza D virus (IDV) utilizes bovines as a primary reservoir with periodical spillover to other mammalian hosts. By using traditional hemagglutination assay coupled with sialoglycan microarray (SGM) platform and functional assays, we demonstrated that IDV is more efficient in recognizing both 9-O-acetylated N-acetylneuraminic acid (Neu5,9Ac2) and 9-O-acetylated N-glycolylneuraminic acid (Neu5Gc9Ac) than influenza C virus (ICV), a ubiquitous human pathogen. ICV seems to strongly prefer Neu5,9Ac2 over Neu5Gc9Ac. Since Neu5Gc9Ac is different from Neu5,9Ac2 only by an additional oxygen in the group at the C5 position, our results reveal that the hydroxyl group in Neu5Gc9Ac plays a critical role in determining receptor binding specificity, which as a result may discriminate IDV from ICV in communicating with 9-O-acetylated SAs. These findings shall provide a framework for further investigation towards better understanding of how newly discovered multiple-species-infecting IDV exploits natural 9-O-acetylated SA variations to expand its host range.
| Idioma original | English |
|---|---|
| Páginas (desde-hasta) | 16-23 |
| Número de páginas | 8 |
| Publicación | Virology |
| Volumen | 545 |
| DOI | |
| Estado | Published - jun 2020 |
Nota bibliográfica
Publisher Copyright:© 2020
Financiación
This work was partially supported by NIH grants R01AI141889 and R01AI130684 and NIH Grant GM62116 , by SDSU AES 3AH-477 , by National Science Foundation/EPSCoR ( http://www.nsf.gov/od/iia/programs/epscor/index.jsp ) award IIA-1335423, and by the state of South Dakota’s Governor’s Office of Economic Development as a South Dakota Research Innovation Center. We thank all the members of the Li and Wang laboratories for their input into this work. We thank Dr. Reinhard Vlasak at University of Salzburg, Austria, for many valuable suggestions about our experiments. We also thank Peter Palese (Mt. Sinai Medical School, New York) for providing the C/Johannesburg/1/66 virus. We thank the Consortium for Functional Glycomics (Core H) that conducted glycan microarray assays. which was supported by NIH Grant GM62116 . This work was partially supported by NIH grants R01AI141889 and R01AI130684 and NIH Grant GM62116, by SDSU AES 3AH-477, by National Science Foundation/EPSCoR (http://www.nsf.gov/od/iia/programs/epscor/index.jsp) award IIA-1335423, and by the state of South Dakota's Governor's Office of Economic Development as a South Dakota Research Innovation Center.We thank all the members of the Li and Wang laboratories for their input into this work. We thank Dr. Reinhard Vlasak at University of Salzburg, Austria, for many valuable suggestions about our experiments. We also thank Peter Palese (Mt. Sinai Medical School, New York) for providing the C/Johannesburg/1/66 virus. We thank the Consortium for Functional Glycomics (Core H) that conducted glycan microarray assays. which was supported by NIH Grant GM62116.
| Financiadores | Número del financiador |
|---|---|
| National Science Foundation/EPSCoR | |
| South Dakota's Governor's Office of Economic Development | |
| National Science Foundation Arctic Social Science Program | |
| National Institutes of Health (NIH) | R01AI141889, GM62116 |
| National Institute of Allergy and Infectious F32-AI286447 Cydney N. Johnson Diseases National Institute of Allergy and Infectious R01AI168214 Jason W. Rosch Diseases National Institute of Allergy and Infectious P30 Cydney N. Johnson Diseases National Institute of Allergy and Infectious R00-AI166116 Christopher D. Radka Diseases National Institute of Allergy and Infectious T32-AI106700 Cydney N. Johnson Diseases National Institute of Allergy and Infectious R01AI192221 Jason W. Rosch Diseases National Inst... | R01AI130684 |
| Office of Experimental Program to Stimulate Competitive Research | IIA-1335423 |
| San Diego State University | AES 3AH-477 |
| South Dakota Governor's Office of Economic Development | |
| Universität Salzburg | C/Johannesburg/1/66 |
ASJC Scopus subject areas
- Virology
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