Photosynthetic responses of Arctic sea-ice microalgae to short-term temperature acclimation

  title={Photosynthetic responses of Arctic sea-ice microalgae to short-term temperature acclimation},
  author={Christine Michel and Louis Legendre and J C Therriault and Serge Demers},
  journal={Polar Biology},
In April-May 1986, sea-ice microalgae (southcastern Hudson Bay, Canadian Arctic) were acclimated to temperatures ranging from-1.5° to 10°C for short periods (3 h), after which photosynthesis and carboxylating enzyme activities were measured. P max b increased after acclimation to 10°C while photosynthetic parameters α, β and Ik as well as activities of PePC and PePCk did not show any significant change after temperature acclimation. Contrary to P max b , the activity of RuBPC was lower for… CONTINUE READING
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