A Second Type of Normal Maize Mitochondrial Genome: An Evolutionary Link

A new type of maize mitochondrial genome has been identified in the male fertile (normal) inbred line A188. It has been named NA (N in the A188 nuclear background). In comparison to previously described maize mitochondrial genomes, it is classified as a new type since the genome contains unique DNA...

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Bibliographic Details
Published in:Genetics (Austin) 1994-07, Vol.137 (3), p.875-882
Main Authors: Fauron, CMR, Casper, M
Format: Article
Language:English
Subjects:
Biological Evolution
Corn
Deoxyribonucleic acid
DNA
DNA, Mitochondrial - genetics
Genes
Genes, Plant
Inbreeding
Investigations
Plasmids
Repetitive Sequences, Nucleic Acid
Restriction Mapping
Zea mays
Zea mays - genetics
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Summary:A new type of maize mitochondrial genome has been identified in the male fertile (normal) inbred line A188. It has been named NA (N in the A188 nuclear background). In comparison to previously described maize mitochondrial genomes, it is classified as a new type since the genome contains unique DNA sequences and unique sets of repeated sequences, and has a unique organization. This brings the number of the maize mitochondrial genome types to five of which three are the cytoplasmic male steriles cmsT, cmsC and cmsS and of which two are the male fertile types NA (in this report) and NB (the previously characterized normal genome in the B37 nuclear background).
ISSN:0016-6731
1943-2631
1943-2631
DOI:10.1093/genetics/137.3.875