Open AccessInduction of Chromosome Breakage at Meiosis by a Magnesium Deficiency in Tradescantia
Author(s) -
Dale M. Steffensen
Publication year - 1953
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.39.7.613
Subject(s) - nucleic acid , nucleic acid structure , conformational change , small molecule , chemistry , biochemistry , meiosis , biophysics , dna , biology , rna , microbiology and biotechnology , gene
designated C115 and C117, are inherited as gene differences. C115 and mi-3 both have an excess of cytochrome c but not as great as in poky and both, like poky, are deficient in cytochrome a. The content of cytochrome b is normal in mi-3 and low in C15 but not as low as in poky. Cytochromes a and c have not been detected in C117 but there is an excess of cytochrome b. The three strains grow more slowly than wild but faster than poky. Strains which carry the mutant genes along with the maternally inherited characters have also been examined. Their properties are much as would be predicted from the characteristics of the individual components.
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