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Science 14 July 1967:
Vol. 157. no. 3785, pp. 207 - 208
DOI: 10.1126/science.157.3785.207
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Articles

Antigenic Study of the Protein from a Defective Strain of Tobacco Mosaic Virus

Irving Rappaport 1 and Milton Zaitlin 2

1 Department of Microbiology, New York Medical College, New York
2 Department of Agricultural Biochemistry, University of Arizona, Tucson

Soluble protein from the defective strain PM2 of tobacco mosaic virus can be recognized as antigenically distinct from the protein of the wild-type tobacco mosaic virus by Ouchterlony and immunoelectrophoretic analyses at temperatures below 37°C. At these temperatures a polymerized state of protein with a characteristic antigenic structure is present in the wild-type virus; this structure is absent from the PM2 preparations. Above 37°C the precipitin patterns for tobacco mosaic virus and PM2 appear identical.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)