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Arbeitsgruppe Dr. Mikhail Matrosovich

Mikhail Matrosovich
 

Dr. Mikhail Matrosovich
Institut für Virologie
Hans-Meerwein-Str. 2
35043 MARBURG/Germany
Phone: +49 (6421)- 286-5166
Fax: +49 (6421)- 286-5482

Mitarbeiter

Publikationen


Description of scientific projects:

Our research interests focus on the hemagglutinin (HA) and neuraminidase (NA) of influenza virus

1) We study the structure-activity relationships of the receptor-binding sites (RBS) of influenza A viruses from humans and from different animal species by using synthetic and natural sialylglycoconjugates and solid-phase binding assays. We supplement binding data with analysis of the HA sequences and molecular modeling of the analog disposition in the RBS . These studies aim at the description of the receptor-binding specificity of influenza viruses in terms of molecular interactions between the HA and cellular receptors.

2) We are interested in the mechanisms by which HA and NA contribute to biological properties of influenza viruses such as host range, tissue tropism, pathogenicity, and immunogenicity. To address these questions, we compare receptor-binding characteristics and receptor-destroying activity of closely related virus variants, for which the differences in biological phenotypes are likely stem from the differences in the receptor recognition. In particular, we try to specify the minimal changes in the HA and NA of influenza viruses of wild aquatic birds that are required for their successful transfer to other animal species and to humans.

3) In a collaboration with Dr. Nikolai Bovin´s lab, we design synthetic sialic acid-containing macromolecules, which would serve as decoy receptors and interfere with the virus attachment to host cells. This approach aims at the  development of new anti-influenza drugs.

4) A balance between HA and NA activities with respect to sialylglycoconjugate receptors of specific host  is required for efficient virus replication. We study what happens when this balance is disturbed by a reassortment event, virus transmission to a new host species, mutation in the HA or NA, etc. We use this knowledge to assess mechanisms by which virus could escape neutralization by NA inhibitors and to develop assays for monitoring virus resistance to this new class of anti-influenza drugs.









Zuletzt aktualisiert: 05.11.2013 · Harald Balz

 
 
 
Fb. 20 - Medizin

Institut für Virologie, Hans-Meerwein-Straße 2, D-35043 Marburg
Tel. +49 6421/28-66254, Fax +49 6421/28-68962, E-Mail: fischbach@staff.uni-marburg.de

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