Summary
In contrast to the situation in animals and fungi the α-subunit of the mitochondrial F1-ATPase is encoded by two identical mitochondrial genes (ATP A) in male fertile maize (Zea mays L.). Cytoplasmic male sterile (T, C and S) maize mitochondrial genomes only contain a single copy of the gene. Sequence analysis reveals that the uninterrupted coding region of both copies of the gene is 1,524 by long and encodes a polypeptide of 508 amino acids with a molecular weight of 55,117. The predicted amino acid sequence shares over 60% homology with the nuclear encoded α-subunit from yeast and bovine ATPases and approx. 50% with the corresponding chloroplast and bacterial polypeptides.
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Isaac, P.G., Brennicke, A., Dunbar, S.M. et al. The mitochondrial genome of fertile maize (Zea mays L.) contains two copies of the gene encoding the α-subunit of the F1-ATPase. Curr Genet 10, 321–328 (1985). https://doi.org/10.1007/BF00365628
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DOI: https://doi.org/10.1007/BF00365628