Quantitative interactions of feline leukaemia virus and its pseudotype of murine sarcoma virus in cat cells: requirement for DNA synthesis.

The International Committee on Nomenclature of Viruses. Progress report from the President In vitro Transformation of Primary and Continuous Rat Fibroblasts by Rous Sarcoma Virus (SCHMIDT-RU'PPIN). By N. SHARON . . . . . . . . . . . Interferon Response to Sendal and Rubella Viruses in Human Foetal Cultures, Leucocytes and Placental Cultures. By J. E. BANATVALA, J. E. POTTER and J. M. BEST . . . . Quantitative Interactions of Feline Leukaemia Virus and Its Pseudotype of Murine Sarcoma Virus in Cat Cells: Requirement for DNA Synthesis. By P. J. FISCHINGER and D. K. HAAPALA Identification of Vesicular Siomatis Virus 1Nucleoprotein in situ. By'a . A'. ZAJAC and K. HUMMELER The Role of the Helper"Virus in --Aphid TransmisSion of Poiato kucui,a Mosaic Virus and Potato Virus C. By B. KASSANIS and D. A. GOVIER. A Quantitive Ultrastructural Study of the Development of Bluetongue Virus in Madin-Darby Bovine Kidney Cells. By A. S. CROMACK, J. L. BLUE and J. B. GRATZEK Characterization of Murine Sarcoma Virus (KrgSTEN) Transformation of Mouse and Human Cells. By S. A. AARONSON and C. A. WEAVER . Evidence for Linkage Between Genetic Loci Controlling l~esponse of Fowl to Subgroup A and Subgroup C Sarcoma Viruses. By L. N. PAYNE and P. K. PANI Physicochemical and Morphological Relationships of some Arthropod-l~orne'Viruses to Bluetongue VirusA new Taxonomic Group. Physicochemical and Serological Studies. By E. C. BORDEN, R. E. SHOPE and F. A. MURPHY . Physicochemical and Morphological Relationships of some Arthropod-borne 'Viruses to Bluetongue Virus A New Taxonomic Group. Electron Microscopic Studies. By F. A. MURPHY, E. C. BORDEN, R. E. SHOPE and A. HARRISON Isolation of Helper Viruses from Preparations of Hamster-specific "Sarcoma X/iruses. B; G. Ji KELLOFF, R. J. HUEBNER and R. V. GILDEN Replication of Vesicular Stomatitis Virus: Characterization of the Virus-in~tuced" RNA. By T. F. WILD Some Properties o( Purified IVIolluscum Contagiosum ~/irusl By G. Di PIRIE, P: ]Vl. BISHOP~ D. C. BURKE and R. POSTLETHWA1TE Plaque Formation by Influenza B. Viruses in l~rimary Calf Kictney "Cell i~Ionolayers. By" A. Si BLARE and K. KEAST Ch~acteristics of a Group IV' Cholera I;hage. r,y M. M'A.I and S'. N. ~:.A'~ER~= Kinetics of Synthesis and Rate of Degradation of T Antigen Induced by Polyoma Virus. By J. NICOLI, G. MEYER and M.-R. MARTIN Isolation of Non-Cubical Ribonucleoprotein from'Inked Virus, a" Bunyamwera Supergroup Arbovirus. By P. SAIKKU, C.-H. VON BONSDORFF, M. BRUMMER-KORVENKONTIO and A. VAHERI An Electron Microscopic Stu~ty of' Haemagg'lutinating "Encephalomyelitis Virus of Pigs. By J. K. CLARKE and J. B. MCFERRAN Complementation and Recombination with "Temperature-sensitive Mutants of ~,denovirus Type 5. By J. F. WILLIAMS and S. USTACELEBI Lack of Effect of Immunosuppression on Scrapie Infection in Mice[ By IVI. WORTm'NGTO'N ancl R. CLARK "Arab'inosi~e Miee. K." ~OCH~,N Failure of Adenine to Modify Scrapie in By W. Sensitization of Influenza Virus A2/Singapore by Antineuraminidase. By M. MAJER and F~ LINK Fixation and Electron Microscopy of the Rothamsted Culture of Henbane Mosaic Virus. By R. T. PLUMB and D. A. VINCE . Defective Strains and Phenotypic Mixing. By "B. I~SSAMS and M. "CONTI Infection of Protoplasts from Penicillium stoloniferum with Double-stranded RN'A Virusesl By P. LHOAS . . . . . . . . . . . Macromolecule Synthesis in "RTG'-2 Cells Following Infection with Infectious Pancreatic Necrosis (IPN) Virus. By B. L. NICHOLSON Temperature-sensitive Mutants of Herpes Simplex "Virus Type 2. By M~ C. TIMBURY PAGE iv