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Taxis to a conjugation-inducing substance in the ciliate Blepharisma

Nature volume 257, pages 678–680 (1975)Cite this article

Abstract

FOR conjugation of Blepharisma intermedium to take place interaction of soluble gamones with the cells is essential for union between complementary mating types I and II (refs 1 and 2). Type I cells excrete gamone 1 which transforms type II cells so that they can unite. Type II cells excrete gamone 2 which similarly transforms type I cells. Moreover, each gamone promotes the production of the other. Gamone 1, blepharmone, is a glycoprotein of molecular weight 20,000 (refs 3 and 4). Gamone 2, blepharismone, is calcium 3-(2′-formylamino-5′-hydroxybenzoyl) lactate5.

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References

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Author notes

  1. HISAO HONDA

    Present address: Kanebo Institute for Cancer Research, Kanebo Hospital, Hyogo-ku, Kobe, Japan

Authors and Affiliations

  1. Max-Planck-Institut für Molekulare Genetik, Berlin-Dahlem, FDR

    HISAO HONDA & AKIO MIYAKE

  2. Istituto di Zoologia, Università di Pisa, Pisa, Italy

    AKIO MIYAKE

Authors
  1. HISAO HONDA
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  2. AKIO MIYAKE
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HONDA, H., MIYAKE, A. Taxis to a conjugation-inducing substance in the ciliate Blepharisma. Nature 257, 678–680 (1975). https://doi.org/10.1038/257678a0

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