Cytoplasmic Reversion of cms-S in Maize: Association with a Transpositional Event

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Science  29 Aug 1980:
Vol. 209, Issue 4460, pp. 1021-1023
DOI: 10.1126/science.209.4460.1021


Spontaneous reversion to fertility in S male-sterile cytoplasm of maize is correlated with the disappearance of the mitochondrial plasmid-like DNA's, S-1 and S-2, and changes in the mitochondrial chromosomal DNA. Hybridization data indicate that one of the plasmid-like DNA's, S-2, is prominently involved in the mitochondrial DNA rearrangements.