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Science 13 June 1975:
Vol. 188. no. 4193, pp. 1119 - 1120
DOI: 10.1126/science.188.4193.1119
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Articles

Manganese Encrustation of Zygospores of a Chlamydomonas (Chlorophyta: Volvocales)

M. Schulz-Baldes 1 and Ralph A. Lewin 1

1 Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92037

In media containing normal trace-element supplements, but not in manganese-deficient media, zygospores of a new species of Chlamydomonas (isolated from soil) become encrusted with a dark brown mineral coating. Staining with benzidine indicates that the encrustation is rich in manganese. This has been confirmed by x-ray analysis in combination with a scanning electron microscope.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)