Article
The mitochondrial nucleoid protein, Mgm101p, of Saccharomyces cerevisiae is involved in the maintenance of rho(+) and ori/rep-devoid petite genomes but is not required for hypersuppressive rho(-) mtDNA.
Genetics - 1 Apr 2002
Zuo Xiao Ming, Clark-Walker G Desmond, Chen Xin Jie
Abstract excerpt
The Saccharomyces cerevisiae MGM101 gene encodes a DNA-binding protein targeted to mitochondrial nucleoids. MGM101 is essential for maintenance of a functional rho(+) genome because meiotic segregants, with a disrupted mgm101 allele, cannot undergo more than 10 divisions on glycerol medium. Quantitative analysis of mtDNA copy number in a rho(+) strain carrying a temperature-sensitive allele, mgm101-1, revealed...
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