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Utilization of phosphate compounds for growth of Tetrahymena

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Summary

Taking advantage of a synthetic nutrient medium, we have studied which compounds phosphate-starvedTetrahymena thermophila can use as phosphate sources for growth and cell multiplication. Ortho-, trimeta- and α-glycero-phosphate are good sources for both the wild type and a food-vacuoleless mutant; phosphorylcholine is used only by the wild type, and 2-aminoethyl phosphonic acid fails to serve as a phosphate source. Since at least two phosphatases are found in the extracellular fluid these results indicate thatTetrahymena can make use of extracellular digestion of nutrients.

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Author notes

  1. M. Florin-Christensen & J. Florin-Christensen

    Present address: Laboratorio de Invertebrados I, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pab. II 4oP, 1428, Buenos Aires, Argentina

Authors and Affiliations

  1. Institute of Anatomy and Cytology, and Department of Chemistry, Odense University, DK-5230, Odense, Denmark

    L. Rasmussen, H. Toftlund, M. Florin-Christensen & J. Florin-Christensen

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  1. L. Rasmussen
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  2. H. Toftlund
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  3. M. Florin-Christensen
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  4. J. Florin-Christensen
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Rasmussen, L., Toftlund, H., Florin-Christensen, M. et al. Utilization of phosphate compounds for growth of Tetrahymena. Experientia 41, 1593–1594 (1985). https://doi.org/10.1007/BF01964823

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  • DOI: https://doi.org/10.1007/BF01964823

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