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Science 19 July 1996:
Vol. 273. no. 5273, pp. 287 - 0
DOI:

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This Week in Science

TWIS Image It has long been thought that successful photosynthesis requires the sequential function of two pigment-protein complexes, photosystems I and II, to boost the energy of an electron using light. Lee et al. (p. 364) show that mutants of the alga Chlamydomonas lacking photosystem I are able to grow photoautotrophically in an aerobic atmosphere. Thus, in these algae, and perhaps in higher plants, there may be more than one way to harvest the energy of the photon. See also the news story on page 310.




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