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Intracellular Development of Membrane Protein of Influenza Virus

Identifieur interne : 002A92 ( Main/Exploration ); précédent : 002A91; suivant : 002A93

Intracellular Development of Membrane Protein of Influenza Virus

Auteurs : Koichiro Maeno [Japon] ; Saiji Yoshii ; Tetsuya Yoshida ; Masao Iinuma ; Yasuko Kawamoto ; Toshisada Matsumoto

Source :

RBID : ISTEX:AB2F3AC58379613B6A3B89BF5EEBD8132DC05983

English descriptors

Abstract

The intracellular development of membrane protein (MP) of influenza A virus was investigated by immunofluorescent staining. Monospecific antiserum was prepared by immunizing rabbits with MP eluted from SDS‐polyacrylamide gels of SDS‐disrupted NWS virions. In the productive infection in clone 1‐5C‐4 cells, MP antigen was first detected over the whole cell at 4 hr after infection, concomitantly with the appearance of hemagglutinin (HA) antigen in the cytoplasm, and bright nuclear fluorescence was then observed. Nucleoprotein (NP) antigen was detected in the nucleus prior to the appearance of fluorescence of MP antigen and thereafter the cytoplasmic fluorescence developed. Late in infection, all of these three antigens were observed predominantly in the cytoplasm with stronger fluorescence at the cell surface. Essentially similar findings were obtained in the abortive infections in L cells and BHK cells. The above results suggest that the membrane protein of influenza A virus is present in the nucleus as well as in the cytoplasm of infected cells.

Url:
DOI: 10.1111/j.1348-0421.1977.tb00308.x


Affiliations:


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Le document en format XML

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<name sortKey="Yoshii, Saiji" sort="Yoshii, Saiji" uniqKey="Yoshii S" first="Saiji" last="Yoshii">Saiji Yoshii</name>
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<name sortKey="Yoshida, Tetsuya" sort="Yoshida, Tetsuya" uniqKey="Yoshida T" first="Tetsuya" last="Yoshida">Tetsuya Yoshida</name>
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<name sortKey="Iinuma, Masao" sort="Iinuma, Masao" uniqKey="Iinuma M" first="Masao" last="Iinuma">Masao Iinuma</name>
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<name sortKey="Kawamoto, Yasuko" sort="Kawamoto, Yasuko" uniqKey="Kawamoto Y" first="Yasuko" last="Kawamoto">Yasuko Kawamoto</name>
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<name sortKey="Matsumoto, Toshisada" sort="Matsumoto, Toshisada" uniqKey="Matsumoto T" first="Toshisada" last="Matsumoto">Toshisada Matsumoto</name>
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<wicri:regionArea>Correspondence address: Requests for reprints should be addressed to Dr. Koichiro Maeno, Department of Virology, Cancer Research Institute, Nagoya University School of Medicine, Nagoya</wicri:regionArea>
<wicri:noRegion>Nagoya</wicri:noRegion>
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<title level="j" type="main">Microbiology and Immunology</title>
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<term>Abortive</term>
<term>Abortive infection</term>
<term>Academic press</term>
<term>Antigen</term>
<term>Antiserum</term>
<term>Biological activities</term>
<term>Cell monolayers</term>
<term>Cell surface</term>
<term>Clone</term>
<term>Clone cells</term>
<term>Continuous lines</term>
<term>Culture fluids</term>
<term>Cytoplasmic fluorescence</term>
<term>Developmental sequence</term>
<term>Diffuse fluorescence</term>
<term>Fowl plague virus</term>
<term>Further incubation</term>
<term>Immunofluorescent staining</term>
<term>Infection</term>
<term>Influenza</term>
<term>Influenza virus</term>
<term>Influenza viruses</term>
<term>Input multiplicity</term>
<term>Intracellular</term>
<term>Intracellular development</term>
<term>Intracellular sites</term>
<term>Maeno</term>
<term>Maintenance medium</term>
<term>Membrane protein</term>
<term>Monospecific antiserum</term>
<term>Newcastle disease virus</term>
<term>Nonreducing conditions</term>
<term>Nonstructural proteins</term>
<term>Nuclear fluorescence</term>
<term>Nuclear regions</term>
<term>Paper strips</term>
<term>Peripheral wells</term>
<term>Phosphate buffer</term>
<term>Plasma membrane</term>
<term>Precipitin lines</term>
<term>Productive infection</term>
<term>Protein antigens</term>
<term>Recent studies</term>
<term>Room temperature</term>
<term>Sendai virus</term>
<term>Single precipitin line</term>
<term>Stronger fluorescence</term>
<term>Various times</term>
<term>Veronal buffer</term>
<term>Viral</term>
<term>Virion</term>
<term>Virology</term>
<term>Virus</term>
<term>Whole cell</term>
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<front>
<div type="abstract">The intracellular development of membrane protein (MP) of influenza A virus was investigated by immunofluorescent staining. Monospecific antiserum was prepared by immunizing rabbits with MP eluted from SDS‐polyacrylamide gels of SDS‐disrupted NWS virions. In the productive infection in clone 1‐5C‐4 cells, MP antigen was first detected over the whole cell at 4 hr after infection, concomitantly with the appearance of hemagglutinin (HA) antigen in the cytoplasm, and bright nuclear fluorescence was then observed. Nucleoprotein (NP) antigen was detected in the nucleus prior to the appearance of fluorescence of MP antigen and thereafter the cytoplasmic fluorescence developed. Late in infection, all of these three antigens were observed predominantly in the cytoplasm with stronger fluorescence at the cell surface. Essentially similar findings were obtained in the abortive infections in L cells and BHK cells. The above results suggest that the membrane protein of influenza A virus is present in the nucleus as well as in the cytoplasm of infected cells.</div>
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<name sortKey="Matsumoto, Toshisada" sort="Matsumoto, Toshisada" uniqKey="Matsumoto T" first="Toshisada" last="Matsumoto">Toshisada Matsumoto</name>
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<name sortKey="Yoshii, Saiji" sort="Yoshii, Saiji" uniqKey="Yoshii S" first="Saiji" last="Yoshii">Saiji Yoshii</name>
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