The determination of the base composition of deoxyribonucleic acids by bromination
โ Scribed by Wang, Shih Yi; Hashagen, Joan M.
- Book ID
- 122748056
- Publisher
- Elsevier Science
- Year
- 1964
- Tongue
- English
- Weight
- 459 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0022-2836
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The deoxyribonucleic acids of 70 hyphomicrobia were examined at equilibrium in neutral CsC1 density gradients. The guanine plus cytosine (~ G + C) content was estimated to range from 59.2 to 66.8~ G A-C. The strains could be divided into three groups with different base composition of their DIqA; 61
The molar percentages of guanine plus cytosine in the DNA of 51 stratus of Simonsiellaceae were determined by buoyant density ultracentrifugation of cell lysates in CsC1. The DNA base ratios ranged from 41-55 mole-~ guanine plus cytosine. These values fall within the range known for the Order Cytoph
The base composition of D S A from microorganisms varies over a wide range of guanine + cytosine (G-C) content.. We have examined the infrared spectra of a number of DNA samples isolated from different microorganisms and have found marked differences in their infrared spectra. These differences have