Pollen and anthers of the F1 hybrid with the restored fertility and the parental forms, a maternal male-sterile line harboring the mitochondrial orfH522 gene and a paternal male-fertile line harboring dominant alleles of the nuclear Rf gene, were studied. In order to find protein markers for the genetic CMS–Rf system in sunflower, we analyzed cytoplasmic proteins by disc electrophoresis under denaturing conditions. As a result, a protein fraction with a mol wt of 43 kD specific for cytoplasmic proteins of the paternal anthers, and a protein fraction with a mol wt of 16 kD specific for cytoplasmic proteins of the maternal anthers, were detected. The electrophoretic patterns of water-soluble proteins from the hybrid and paternal lines did not differ.
Russian Journal of Plant Physiology – Springer Journals
Published: Dec 22, 2004
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