A respiratory-deficient mutation associated with high salt sensitivity in Kluyveromyces lactis.

Abstract excerpt

A salt-sensitive mutant of Kluyveromyces lactis was isolated that was unable to grow in high-salt media. This mutant was also respiratory-deficient and temperature-sensitive for growth. The mutation mapped in a single nuclear gene that is the ortholog of BCS1 of Saccharomyces cerevisiae. The BCS1 product is a mitochondrial protein required for the assembly of respiratory complex III. The bcs1 mutation of S....

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