Archives of Microbiology

, Volume 150, Issue 2, pp 203–204 | Cite as

Rapid change in cyclic 3′,5′-AMP concentration triggered by a light-off or light-on signal in Anabaena cylindrica

  • Masayuki Ohmori
  • Kazuko Ohmori
  • Kohji Hasunuma
Short Communications


In a nitrogen-fixing cyanobacterium, Anabaena cylindrica, an immediate light-to-dark transition caused an increase in cAMP concentration within 1 min. Conversely, a dark-to-light transition caused a rapid fall in cellular cAMP concentration. The concentration of cyclic 3′5′-GMP(cGMP) was several times lower than that of cAMP and was not largely affected by a light-off or light-on signal.

Key words

Anabaena cAMP cGMP Cyanobacteria 


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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • Masayuki Ohmori
    • 1
  • Kazuko Ohmori
    • 2
  • Kohji Hasunuma
    • 3
  1. 1.Ocean Research InstituteUniversity of TokyoTokyoJapan
  2. 2.Faculty of Domestic SciencesShowa Women's UniversityTokyoJapan
  3. 3.National Institute for Basic BiologyOkazaki, AichiJapan

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