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Differences between, and possible origins of, the cytoplasms found in fertile and male-sterile onions (Allium cepa L.) by P. Holford; J. H. Croft; H. J. Newbury is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Differences between, and possible origins of, the cytoplasms found in fertile and male-sterile onions (Allium cepa L.) about?

The DNA of the organellar genomes of Allium cepa has been examined to detect restriction fragment length polymorphisms. Differences can be shown between both the chloroplastal and mitochondrial genomes of the N and cms-S cytoplasms in their restriction fragment profiles. Southern blot analysis of the mtDNA profiles using probes containing defined mitochondrial genes also detected polymorphisms. No differences can be shown between the organellar genomes of the N and cms-T onions by either of these techniques. These data indicate different origins for the two sterility-conferring cytoplasms, suggesting autoplasmic and alloplasmic origins for the cms-T and cms-S cytoplasms, respectively. No evidence of the presence of virus-like particles was found in any of the cytoplasms.

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Author

P. Holford; J. H. Croft; H. J. Newbury

Publisher

Springer; Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc.; Springer Nature (ISSN 0040-5752)

Published

1991

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)