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Mechanism by Which Fiber Antigen Inhibits Multiplication of Type 5 Adenovirus

Levine, A. J. and Ginsberg, H. S. (1967) Mechanism by Which Fiber Antigen Inhibits Multiplication of Type 5 Adenovirus. Journal of Virology, 1 (4). pp. 747-757. ISSN 0022-538X. PMCID PMC375350.

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Purified fiber antigen of type 5 adenovirus inhibited the multiplication of type 5 adenovirus by 50% when 35 µg of fiber antigen protein was added to 106 KB cells in suspension culture. Although the fiber antigen reduced the number of virions adsorbed per cell when a multiplicity of infection of 50,000 plaque-forming units (PFU)/cell was employed, the number of cells infected was not diminished under these conditions. If a low multiplicity of infection (1.1 PFU/cell) was used, viral adsorption was not detectably decreased. The fiber antigen did not reduce the capability of virions to liberate their viral deoxyribonucleic acid (DNA). The biosyntheses of DNA, ribonucleic acid (RNA), and protein were blocked about 20 to 25 hr after the addition of fiber antigen to cultures of uninfected or type 5 adenovirus-infected KB cells. Most of the fiber antigen protein became cell-associated between 22 and 36 hr after it was added to cells. The hexon antigen neither inhibited viral multiplication nor blocked the biosynthesis of DNA, RNA, or protein. Moreover, the hexon did not attach to KB cells. The profound effects of the fiber antigen were not due to the induction of an interferon-like substance, for actinomycin D did not reduce the ability of the fiber to inhibit multiplication of type 1 poliovirus.

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Additional Information:© 1967 by the American Society for Microbiology. Received for publication 28 April 1967 This investigation was conducted under the sponsorship of the Commission on Acute Respiratory Diseases, Armed Forces Epidemiological Board, and was supported by the Office of the Surgeon General, Department of the Army, and by Public Health Service grants AI-03620 and 2 TI AI-203 from the National Institute of Allergy and Infecitous Diseases. Presented by A. J. Levine to the Faculty of the Graduate School of Arts and Sciences of the University of Pennsylvania in partial fulfillment of the requirements for the Ph.D. degree. A preliminary report of this investigation was presented at the annual meeting of the American Association of Immunologists, 9-14 April 1965.
Funding AgencyGrant Number
Armed Forces Epidemiological BoardUNSPECIFIED
Office of the Surgeon GeneralUNSPECIFIED
NIH2 TI AI-203
Issue or Number:4
PubMed Central ID:PMC375350
Record Number:CaltechAUTHORS:LEVjvir67
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Official Citation:Mechanism by Which Fiber Antigen Inhibits Multiplication of Type 5 Adenovirus A. J. Levine, H. S. Ginsberg Journal of Virology Aug 1967, 1 (4) 747-757
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5927
Deposited By: Archive Administrator
Deposited On:08 Nov 2006
Last Modified:02 Oct 2019 23:27

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