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J Virol. 1985 July; 55(1): 238-241
Copyright © 1985, American Society for Microbiology. All Rights Reserved.

Phosphorylation of the ß' Subunit of RNA Polymerase and Other Host Proteins upon Cd1 Infection of Caulobacter crescentus

David Hodgson, Lucille Shapiro and Kei Amemiya^*

¹ Department of Molecular Biology, Division of Biological Sciences, Albert Einstein College of Medicine, Bronx, New York 10461

ABSTRACT

A protein kinase activity is induced early after infection of Caulobacter crescentus by the DNA phage Cd1. After phage infection at least 40 proteins are phosphorylated; these include DNA-binding proteins, a membrane-associated protein, and several ribosomal proteins. One of the phosphorylated DNA-binding proteins was identified as the ß' subunit of the host RNA polymerase.

^* Corresponding author.

Present address: Department of Biochemistry, Stanford University School of Medicine, Stanford, CA 94305.

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