On the question of crown-gall tumor initiation by DNA of bacteriophage PS8.
DNA of Agrobacterium tumefaciens bacteriophage PS8 was isolated by using several procedures. Whole phage and phage DNA were tested for tumor-inducing ability on 10 species of plants with various additions to assist such activity. The reported tumorigenicity of phage PS8 DNA could not be confirmed, and no evidence to implicate phage PS8 involvement in tumor initiation was obtained.
10 references, click to expand
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