Structural and biological properties of mycoplasmavirus MVL3: an unusual virus-procaryote interaction

The kinetics of adsorption and growth of mycoplasmavirus MVL3 in Acholeplasma laidlawii 1305/68 host cells have been studied with one-step growth, premature lysis, and single-burst experiments. The virus was found to kill infected host cells. Virus release starts 90 min after infection and continues for about 10 to 15 h. Hence, virus production is unlike the classical lytic bacteriophages and instead resembles nonlytic cytocidal animal viruses. Structural details of the virus are described, and the molecular weight of the viral linear DNA has beenfound to be 26 x 10(6).

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