Mitochondria and Cytoplasmic Male Sterility as Related to Southern Corn Leaf Blight

Wheeler, J. E.; Martinez, Andrew O.

doi:10.1080/09670877409418216

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1989

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“…cms-T plants are specifically susceptible to two fungal diseases, Bipolaris maydis race T and Phylosticta maydis race T (Leaver and Gray 1982;Ullstrup 1972;Wheeler and Martinez 1974). Normal maize and other malesterile cytoplasms are resistant to these races of the pathogens.…”

Section: R C L""mentioning

confidence: 99%

Rearrangements in maize mitochondrial genes

Fragoso¹,

Nichols²,

Levings³

1989

Genome

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Recombination is a significant cause of maize mitochondrial gene mutations. Chimeric genes are often found in the mitochondria of cytoplasmic male-sterile maize. They are created by rearrangements involving intramolecular and intermolecular recombination. Herein we describe the effect of rearrangements on the chromosomal location, flanking and coding regions of several maize mitochondrial genes.La recombinaison est une cause importante de mutation des gknes mitochondriaux chez le mays. Des gknes chimkriques sont souvent dkcelis dans les mitochondries de mays mble-stiriles d'origine cytoplasmique. Ces gknes sont formis par des riarrangements impliquant des recombinaisons intramoliculaires et intermolkculaires. La prksente communication comporte une description des effets des rkarrangements sur la localisation chromosomique des rkgions de flancs et de codage des gknes mitochondriaux de nombreux mais.

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Section: R C L""mentioning

confidence: 99%