Heterogeneity of mitochondrial DNA from Saccharomyces cerevisiae and genetic information for tRNA | Zendy

Giuseppe Baldacci | Zendy; Francesca Carnevali | Zendy; Laura Frontali | Zendy; L. Leoni | Zendy; G. Macino | Zendy; Claudio Palleschi | Zendy

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Heterogeneity of mitochondrial DNA from Saccharomyces cerevisiae and genetic information for tRNA

Author(s) -

Giuseppe Baldacci,

Francesca Carnevali,

Laura Frontali,

L. Leoni,

G. Macino,

Claudio Palleschi

Publication year - 1975

Publication title -

nucleic acids research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 9.008

H-Index - 537

eISSN - 1362-4954

pISSN - 0305-1048

DOI - 10.1093/nar/2.10.1777

Subject(s) - biology , saccharomyces cerevisiae , transfer rna , mitochondrial dna , genetics , dna , saccharomyces , computational biology , rna , yeast , gene

Mitochondrial DNA from wild-type Saccharomyces cerevisiae and from an "extreme" petite mutant were analyzed by hybridization of several tRNAs on DNA fragments of different buoyant density, obtained by sonication and fractionation on a CsCl gradient. The hybridization patterns show that the genes for tRNAser, tRNAphe, tRNAhis, tRNAval, tRNAileu are present on wild-type mitochondrial DNA, while only genes for tRNAser and tRNAhis are present on petite mitochondrial DNA; moreover the hybridization patterns indicate that these genes are not clustered and suggest that more than one gene might exist for tRNAser and tRNAhis.

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