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. 1971 Jun;68(6):1169–1173. doi: 10.1073/pnas.68.6.1169

Circular Chloroplast DNA from Euglena gracilis

Jerry E Manning *, David R Wolstenholme †, Robert S Ryan *, Janice A Hunter †, Oliver C Richards *
PMCID: PMC389144  PMID: 5001500

Abstract

Chloroplast DNA of the protozoan flagellate, Euglena gracilis, exists as circular molecules, 40 μm in contour length, as shown by electron microscopy and buoyant density analyses.

Keywords: electron microscopy, density gradient centrifugation, mitochondrial DNA

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Selected References

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