Algal carbonic anhydrase

作者: Hideya Fukuzawa , Mikio Tsuzuki , Shigetoh Miyachi

DOI: 10.1007/978-3-0348-8446-4_28

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摘要: Microalgae grown in ordinary air (0.04% CO2) show a much higher affinity for inorganic carbon (Ci) photosynthesis than those with 2% to 5% CO2, although at saturating CO2 concentrations the maximum rate of is almost same. This adaptation low concentration environmental explained by so-called “CO2 concentrating mechanism (CCM)”, which raised reaction site ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco, enzyme responsible fixation Calvin = Benson cycle). CCM operates combination several components such as energy-dependent Ci transporter(s), subcellular compartmentation, and carbonic anhydrase (CA; see Tab. 1), reviewed Aizawa Miyachi (1984a), Tsuzuki (1989), Sultemeyer et al. (1993), Suzuki (1994), Badger Price (1994). In algae, there variety CA isozymes differ their structure, locality, catalytic properties. this chapter we review recent information on diversity algal cyanobacterial CAs.

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