First-neighbor frequencies of satellite DNAs from Drosophila nasutoides and Pagurus pollicaris from an analysis of their circular dichroism spectra
✍ Scribed by Donald M. Gray; C. S. Lee; Dorothy M. Skinner
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1978
- Tongue
- English
- Weight
- 441 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0006-3525
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✦ Synopsis
Abstract
From an analysis of their circular dichroism spectra, we find that the four (A + T)‐rich satellite DNAs of Drosophila nasutoides have distributions of first‐neighbor base paris that resemble those previously found for other (A + T)‐rich Drosophila satellites. We also apply our spectral analysis procedure for the first time to two (G + C)‐rich satellite DNAs, those from the hermit crab Pagurus pollicaris. We find that P. pollicaris satellite I cannot be accurately analyzed with our standard set of spectral components and that P. pollicaris satellite II appears to be much like the synthetic polymer poly[d(A‐G‐C‐)·d(G‐C‐T)] in its first‐neighbor content.