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J Bacteriol. 1961 December; 82(6): 979-983
Copyright © 1961, The Williams & Wilkins Company. All Rights Reserved.

INTERFERENCE BETWEEN VIABLE STRAINS OF NEWCASTLE DISEASE VIRUS¹

D. P. Durand

^a Department of Microbiology, School of Medicine, University of Missouri, Columbia, Missouri

ABSTRACT

DURAND, D. P. (University of Missouri, Columbia). Interference between viable strains of Newcastle disease virus. J. Bacteriol. 82:979–983. 1961.—Strains of Newcastle disease virus (NDV) which differed in their ability to produce plaques on monolayers of chicken embryo cells were studied during conditions of dual infection. Interference with NDV plaque formation by a nonplaque-forming NDV strain was observed. The primary mechanism involved with this type of interference appears to be due to the viable infectious virus, and is not associated with interferon production or the hemagglutinin of NDV.

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FOOTNOTES

¹ This research was initiated under the guidance of A. Eisenstark at Kansas State University, Manhattan, and constituted contribution no. 338, Agricultural Experiment Station, Kansas State University, Manhattan. This investigation was aided by a grant from the University of Missouri, President's Special Equipment Fund, and Research grant E-3699, U. S. Public Health Service.

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J Bacteriol. 1961 December; 82(6): 979-983
Copyright © 1961, The Williams & Wilkins Company. All Rights Reserved.