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Construction of a convenient system for easily screening inhibitors of mutated influenza virus neuraminidases.


ABSTRACT: Neuraminidase (NA) is a surface glycoprotein produced by the influenza virus. Specific NA mutations that confer resistance to anti-viral drugs have been reported. The aim of this study was to demonstrate quick preparation of the mutated NAs using the yeast surface display and its applicability for screening inhibitors. Plasmids encoding the head domain of wild-type and drug-resistant NAs were constructed and introduced into yeast, and these were successfully displayed on the yeast surface, with biochemical properties similar to the native virus NAs. This system using mutated NAs-displaying yeast provides an efficient and convenient tool for screening novel inhibitors against the drug-resistant influenza virus.

SUBMITTER: Shigemori T 

PROVIDER: S-EPMC3836197 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Construction of a convenient system for easily screening inhibitors of mutated influenza virus neuraminidases.

Shigemori Tomohiro T   Nagayama Mitsuru M   Yamada Junki J   Miura Natsuko N   Yongkiettrakul Suganya S   Kuroda Kouichi K   Katsuragi Tohoru T   Ueda Mitsuyoshi M  

FEBS open bio 20131029


Neuraminidase (NA) is a surface glycoprotein produced by the influenza virus. Specific NA mutations that confer resistance to anti-viral drugs have been reported. The aim of this study was to demonstrate quick preparation of the mutated NAs using the yeast surface display and its applicability for screening inhibitors. Plasmids encoding the head domain of wild-type and drug-resistant NAs were constructed and introduced into yeast, and these were successfully displayed on the yeast surface, with  ...[more]

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