Abstract
Two coastal species of phytoplankton, Skeletonema costatum (Grev.) Cleve and Heterosigma akashiwo Hada, were grown in chemostats at a constant dilution (growth) rate using media with various P:N ratios. The variations of their cellular phosphorus composition were investigated using a phosphorus fractionation technique and 31P nuclear magnetic resonance spectroscopy. S. costatum stores phosphorus mainly in the form of orthophosphate, and H. akashiwo in the form of polyphosphates. This explains the orthophosphate accumulation observed in natural phytoplankton populations in Tokyo Bay where S. costatum is dominant.
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Communicated by M. Anraku, Tokyo
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Miyata, K., Hattori, A. & Ohtsuki, A. Variation of cellular phosphorus composition of Skeletonema costatum and Heterosigma akashiwo grown in chemostats. Mar. Biol. 93, 291–297 (1986). https://doi.org/10.1007/BF00508266
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DOI: https://doi.org/10.1007/BF00508266