effects of light intensity and temperature on photoautotrophic growth of a green microalga, chlorococcum littorale

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ID: 246713
2015
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Abstract
A highly CO2-tolerant green alga, Chlorococcum littorale, was investigated at temperatures ranging from 8 to 28 °C, light intensities from 30 to 170 μmol m−2 s−1, a constant CO2 concentration of 5% (v/v) and atmospheric pressure. The experimental results showed that a specific growth rate μ, defined in terms of cell growth rate under a logarithmic growth phase, increased with temperature up to the maximum value (ca. 22 °C), while the μ decreased at higher temperatures. These promotion and inhibition of the cell growth rate were expressed by both a multiple linear regression and a mathematical model taking account of the Arrhenius activation/deactivation energies. Light intensity affected on the cell growth was independently treated in the mathematical model. The proposed growth model agreed well with the experimental data to within 6.6 %, which provides good correlation for both temperature and light intensity effects on the microalgal cell growth.
Reference Key
ota2015biotechnologyeffects Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Masaki Ota;Motohiro Takenaka;Yoshiyuki Sato;Richard Lee Smith Jr.;Hiroshi Inomata
Journal PLoS genetics
Year 2015
DOI
10.1016/j.btre.2015.05.001
URL
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