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Botanical Studies

Table 3 Changes of fluorescence parameters of wild type and mutant strains of Parachlorella kessleri cells

From: Differentiation between two strains of microalga Parachlorella kessleri using modern spectroscopic method

Fluorescence parameters

Wild type*

PC Mut2*

PC Mut4*

F V /F M

0.58 ± 0.01

0.5 ± 0.01

0.45 ± 0.02

NPQ

0.179 ± 0.02

0.133 ± 0.003

0.083 ± 0.004

rETRmax, (r.u.)

15.5 ± 1.3

12.06 ± 0.4

8.3 ± 1.4

  1. *Figures are expressed as mean ± SD.
  2. F V /F M – samples in darkness, rETR max – maximum relative rate of electron transport and NPQ = (F M – F M ’)/F M ’ – non-photochemical fluorescence quenching at illumination 800 μmol photons m−2 s-1.
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