Buoyant density of tobacco and spinach chloroplast DNA
โ Scribed by Paul R. Whitfeld; Donald Spencer
- Book ID
- 115742965
- Publisher
- Elsevier Science
- Year
- 1968
- Weight
- 664 KB
- Volume
- 157
- Category
- Article
- ISSN
- 0005-2787
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## Abstract The buoyant density of Tโ4 DNA was determined by equilibrium sedimentation in a density gradient, of mixed solutions of cesium and magnesium chlorides and bromides. The preferential hydration was calculated from these data, allowing appropriately for the exchange equilibrium of DNA with
One characteristic of DNA, CsCI buoyant density peak values, was determined for DNA samples isolated from 93 speeies belonging to 11 orders of mammals. The CsCl buoyant density values varied over a very narrow range, 1.696-1.701 g/cm 3. Satellite DNAs were found in a number of species. The function