Cytoplasmic reversion to fertility in cms-S maize need not involve loss of linear mitochondrial plasmids

Loida J. Escote, Susan J. Gabay-Laughnan, John R. Laughnan

Research output: Contribution to journalArticle

33 Scopus citations

Abstract

Cytoplasmic male sterility of the S type (cms-S) in maize is characterized by the presence of two autonomously replicating plasmid-like elements, S1 and S2. These plasmids have not been found in the mitochondrial genomes of normal (male-fertile) maize nor previously in male-fertile cytoplasmic revertants. This paper reports the discovery of spontaneous cytoplasmic reversion to fertility in cms-S maize not involving the loss of S1 and S2 plasmids. Data are presented showing that loss of the plasmids during cytoplasmic reversion is under nuclear influence and is not a characteristic of the S cytoplasm itself.

Original languageEnglish (US)
Pages (from-to)264-267
Number of pages4
JournalPlasmid
Volume14
Issue number3
DOIs
StatePublished - Nov 1985

All Science Journal Classification (ASJC) codes

  • Molecular Biology

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