Radiation Leukemia Virus: Quantitative Tissue Culture Assay

Science  18 Jul 1969:
Vol. 165, Issue 3890, pp. 306-309
DOI: 10.1126/science.165.3890.306


Radiation leukemia virus does not propagate in tissue cultures from either Swiss or C57BL mouse embryos, but it does augment focus formation by the defective Moloney leukemia pseudotype of murine sarcoma virus in Swiss mouse cells and thus can be quantitatively assayed.