Increase of hybrids in yeast electrofusion by mitochondrial mutations.

Abstract excerpt

Yeast mitochondria were found to affect the zeta-potential of protoplasts, resulting in electrofusion of membrane behavior. For modeling purposes, two fusion systems were investigated: (1) parent yeasts of Saccharomyces cerevisiae G706 (rho(+)) x O708-11-16A (rho(+)), with zeta-potentials of -10 to -27 mV and -28 to -45 mV, depending on MgCl(2) concentration in the medium, respectively; and (2) parent yeasts of...

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