1887

Abstract

SUMMARY

Mycoplasmatales virus-laidlawii 2 () was purified by ammonium sulphate precipitation and by sucrose density gradient fractionation. Electron micrographs of virus showed predominantly spherical enveloped particles with a mean diameter of about 80 nm (range 52 to 125 nm). The envelope had a ‘unit membrane’ structure and was probably serologically dissimilar to the ‘unit membrane’ of the host . No obvious isometric or helical capsid was observed within the envelope. The nucleic acid appeared to be .

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/content/journal/jgv/10.1099/0022-1317-18-2-127
1973-02-01
2024-05-02
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