Cooperativity of hormones and hormone-like materials in Tetrahymen

G. Csaba, G. Németh

Research output: Contribution to journalArticle

2 Citations (Scopus)


1. 1. Triiodothyronine, serotonin and gramine equally enhanced the growth of Tetrahymena at 10-9 M concentration, but equally depressed it at 10-5 M. 2. 2. Paired combinations of the hormones showed either positive or negative cooperation, as assessed from their influence on Tetrahymena growth. 3. 3. The chemically different triiodothyronine and gramin enhanced the effect of one another, while chemically related serotonin and gramine mutually depressed it. 4. 4. The cooperative interaction of serotonin and T3 also was negative.

Original languageEnglish
Pages (from-to)445-447
Number of pages3
JournalComparative Biochemistry and Physiology -- Part A: Physiology
Issue number3
Publication statusPublished - 1979

ASJC Scopus subject areas

  • Physiology
  • Medicine(all)
  • Molecular Biology
  • Biochemistry

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