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Size of the Chloroplast Genome in Codium fragile

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Science  24 Jul 1981:
Vol. 213, Issue 4506, pp. 445-447
DOI: 10.1126/science.213.4506.445

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Abstract

Chloroplasts isolated from the siphonous green alga Codium fragile yield circular DNA molecules averaging 27.3 micrometers in length and 56 x 106 daltons in molecular size. This chloroplast genome is 25 to 30 percent smaller than any reported. The small size of the Codium chloroplast genome may represent a primitive evolutionary condition in green plants.

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