Inheritance of killer phenotypes and double-stranded RNA in Ustilago maydis.
- 1 February 1976
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 73 (2) , 594-598
- https://doi.org/10.1073/pnas.73.2.594
Abstract
Three different killer specificites in U. maydis are inherited cytoplasmically and transmitted by cell fusion. Each killer generates low frequencies of specifically immune forms in crosses with sensitive strains. The properties of immunity to each killer are also inherited cytoplasmically and transmitted by cell fusion. Killer strains carry virus-like particles about 41 nm in diameter. Each killer possesses distinct double-stranded RNA components that range in molecular weight from 0.46 .times. 106 to 2.9 .times. 106. Two components are shared by all 3 killers. Immune strains possess new forms. Crosses and heterokaryons between different killers revealed unilateral or mutual restrictions that prevent inclusion of 2 killer specificities in the same cell.This publication has 9 references indexed in Scilit:
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