Table I. Chl and Car content and pigment ratios for wild type, tla2 mutant, and tla2-complemented strains of C. reinhardtii (n = 3–5; means ± sd)
StrainChl/CellChl a/bCar/CellCar/Chl
fmolfmol
Low light (80 μmol photons m−2 s−1)
 4A+2.57 ± 0.432.72 ± 0.071.07 ± 0.170.42 ± 0.00
 CC-1252.66 ± 0.133.00 ± 0.031.11 ± 0.060.42 ± 0.00
 CC-5042.36 ± 0.052.73 ± 0.050.93 ± 0.040.39 ± 0.01
 CC-4252.33 ± 0.102.86 ± 0.040.95 ± 0.040.41 ± 0.01
 C11.93 ± 0.172.87 ± 0.020.67 ± 0.160.42 ± 0.00
 C21.55 ± 0.043.01 ± 0.030.67 ± 0.000.43 ± 0.01
 C31.06 ± 0.013.35 ± 0.160.54 ± 0.010.51 ± 0.00
 C40.61 ± 0.093.92 ± 0.090.42 ± 0.050.68 ± 0.02
tla20.46 ± 0.049.60 ± 0.980.38 ± 0.000.82 ± 0.06
Medium light (450 μmol photons m−2 s−1)
 4A+1.66 ± 0.372.45 ± 0.090.85 ± 0.170.51 ± 0.01
 CC-1251.85 ± 0.492.75 ± 0.141.01 ± 0.330.54 ± 0.04
 CC-5041.68 ± 0.333.08 ± 0.120.84 ± 0.130.50 ± 0.03
 CC-4251.35 ± 0.192.85 ± 0.040.74 ± 0.100.55 ± 0.01
 C11.03 ± 0.042.71 ± 0.090.56 ± 0.030.54 ± 0.02
 C20.71 ± 0.073.62 ± 0.110.52 ± 0.030.74 ± 0.03
 C30.51 ± 0.074.36 ± 1.050.43 ± 0.070.85 ± 0.07
 C40.35 ± 0.056.49 ± 0.560.34 ± 0.040.97 ± 0.02
tla20.33 ± 0.047.92 ± 0.830.30 ± 0.030.90 ± 0.01