Physicochemical Characterization of Mitochondrial DNA from Pea Leaves | Zendy

Richard D. Kolodner | Zendy; Κ. Κ. Tewari | Zendy

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Physicochemical Characterization of Mitochondrial DNA from Pea Leaves

Author(s) -

Richard D. Kolodner,

Κ. Κ. Tewari

Publication year - 1972

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.69.7.1830

Subject(s) - mitochondrial dna , dna , dna supercoil , intramolecular force , kinetics , circular dna , molecule , chemistry , biology , biophysics , biochemistry , crystallography , stereochemistry , genome , gene , dna replication , physics , organic chemistry , quantum mechanics

The mitochondrial DNA from pea leaves exists in a circular conformation. 25% of the circular molecules exist as supercoils, and 10% of the molecules are dimers. The molecular weight of mitochondrial DNA is about 66 to 70 x 10(6) by electron microscopy, and 74 x 10(6) from its renaturation kinetics. No evidence for inter- and intramolecular heterogeneity is found.

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