Changes in the structure of DNA molecules and the amount of DNA per plastid during chloroplast development in maize.

@article{Oldenburg2004ChangesIT,
  title={Changes in the structure of DNA molecules and the amount of DNA per plastid during chloroplast development in maize.},
  author={Delene J. Oldenburg and Arnold J. Bendich},
  journal={Journal of molecular biology},
  year={2004},
  volume={344 5},
  pages={1311-30}
}
We examined the DNA from chloroplasts obtained from different tissues of juvenile maize seedlings (from eight to 16 days old) and adult plants (50-58 days old). During plastid development, we found a striking progression from complex multigenomic DNA molecules to simple subgenomic molecules. The decrease in molecular size and complexity of the DNA paralleled a progressive decrease in DNA content per plastid. Most surprising, we were unable to detect DNA of any size in most chloroplasts from… CONTINUE READING

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