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Inter-strain variability in the photosynthetic use of inorganic carbon, exemplified by the pH compensation point, in the cyanobacterium Microcystis aeruginosa
Bañares-España, E.; López-Rodas, V.; Salgado, C.; Costas, E.; Flores-Moya, A. (2006). Inter-strain variability in the photosynthetic use of inorganic carbon, exemplified by the pH compensation point, in the cyanobacterium Microcystis aeruginosa. Aquat. Bot. 85(2): 159-162. https://dx.doi.org/10.1016/j.aquabot.2006.03.009
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770; e-ISSN 1879-1522, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Biological phenomena > Evolution
    Enzymes > Carbonic anhydrase
    Microcystis aeruginosa (Kützing) Kützing, 1846 [WoRMS]
    Marien/Kust
Auteurs  Top 
  • Bañares-España, E.
  • López-Rodas, V.
  • Salgado, C.
  • Costas, E.
  • Flores-Moya, A.
Abstract
    Inter-strain variability in pH compensation point (pHc) in the cyanobacterium Microcystis aeruginosa has been investigated. The pHc allows one to discriminate whether the organism is able to take up HCO3− as inorganic carbon (Ci) source in photosynthesis. Eight subgroups were found according to the pHc value, ranging from 10.44 ± 0.22 to 11.67 ± 0.05. The high variability in pHc (and consequently, in the capacity to use HCO3− as Ci source) suggested that different HCO3− use mechanisms could occur in M. aeruginosa and, from an evolutionary point of view, this trait is not under high natural selective pressure.
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