Cyclic Bis(3'-5')diadenylic Acid (c-di-AMP) Analogs Promote the Activities of Photosynthesis and Respiration of <i>Chlamydomonas reinhardtii</i>
- 1 Graduate School of Information Science, Nagoya University, Nagoya, Japan
- 2 Graduate School of Information Science, Nagoya University, Nagoya, Japan
- 3 Graduate School of Information Science, Nagoya University, Nagoya, Japan
- 4 Graduate School of Information Science, Nagoya University, Nagoya, Japan
- 5 Center for Gene Research, Division of Biological Science, Graduate School of Science, Nagoya University, Nagoya, Japan
- 6 Chemical Instrumentation Facility, Research Center for Materials Science, Nagoya University, Nagoya, Japan
- 7 Graduate School of Information Science, Nagoya University, Nagoya, Japan
- 8 Graduate School of Information Science, Nagoya University, Nagoya, Japan
Abstract
Physiological changes in the photosynthesis, respiration and cell division of Chlamydomonas reinhardtii , a freshwater green alga, in response to adenine nucleotides were investigated. In advance of this investigation, two adenine nucleotides, di(2 ' - O -methyl)-cyclic bis(3 ' -5 ' )diadenylic acid (1) and its N -benzoyl-protected analog 2 were synthesized from the commercially available adenosine phosphoramidite. The respective analogs significantly promoted the cell division (cell number) of C. reinhardtii strains 137c mt + and BR mt + . Moreover, they significantly enhanced the O 2 evolution (photosynthesis) and O 2 uptake (respiration) of both strains. c-di-AMP analogs seem to play an effective role as a physiological activator in planta .
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