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

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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.

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Correspondence to Masayuki Ohmori.

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Ohmori, M., Ohmori, K. & Hasunuma, K. Rapid change in cyclic 3′,5′-AMP concentration triggered by a light-off or light-on signal in Anabaena cylindrica . Arch. Microbiol. 150, 203–204 (1988).

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Key words

  • Anabaena
  • cAMP
  • cGMP
  • Cyanobacteria