Alternative topogenesis of Mgm1 and mitochondrial morphology depend on ATP and a functional import motor

  title={Alternative topogenesis of Mgm1 and mitochondrial morphology depend on ATP and a functional import motor},
  author={Mark Herlan and Carsten Bornh{\"o}vd and Kai Hell and Walter Neupert and Andreas S. Reichert},
  journal={The Journal of Cell Biology},
  pages={167 - 173}
Mitochondrial morphology and inheritance of mitochondrial DNA in yeast depend on the dynamin-like GTPase Mgm1. It is present in two isoforms in the intermembrane space of mitochondria both of which are required for Mgm1 function. Limited proteolysis of the large isoform by the mitochondrial rhomboid protease Pcp1/Rbd1 generates the short isoform of Mgm1 but how this is regulated is unclear. We show that near its NH2 terminus Mgm1 contains two conserved hydrophobic segments of which the more… CONTINUE READING
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