Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Synchronization of Cell Cycle in Korean Hydrogen Producing Cyanobacterial Strains

한국산 수소생산 남세균 종주들의 세포주기 동조화

  • Park, Jong-Woo (Department of Oceanography, Kunsan National University) ;
  • Ahn, Se-Hee (Department of Oceanography, Kunsan National University) ;
  • Kim, Hyung-Seop (Research Institute of Fisheries Technology) ;
  • Yih, Won-Ho (Department of Oceanography, Kunsan National University)
  • Received : 2011.09.29
  • Accepted : 2011.10.21
  • Published : 2011.10.30
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Abstract

Under a daily photoperiod of 14h light and 10h dark synchronization of cell cycle in Korean Cyanothece spp. strains and $Synechococcus$ sp. strain Miami BG043511 was analyzed as to be applicable to enhanced hydrogen production. For all strains peaks of double cell were observed during the light period of a daily cycle. Peaks of maximal cell size measured by a coulter counter appeared at the peak of double cells observed under light microscope reconfirming the synchronization of daily cell cycle. The cell cycle synchronization became weakened within two days when treated with continuous illumination. Rapid detection of the peak time of double cell percentage by coulter counters may contribute to quasi-realtime feedback control for efficient production of photobiological hydrogen by unicellular cyanobacterial strains.

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References

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