Table 2.

Radioactivity incorporated from exogenous 14C-labelled carbon sources by A. viridis over a 5-min period in the presence of 5μ mol l-1 DCMU

Carbon sourceUptake (nmol mg-1 total protein)
Single substrate incubations
    Glucose3.61±0.329
    Glycerol3.52±0.205
    Citrate2.74±0.310
    Fumarate3.74±0.217
    Malate4.20±0.697
    Succinate3.71±0.299
Double substrate incubations
    Glucose + fumarate4.40±0.342
    Glucose + succinate4.25±0.294
    Glycerol + fumarate5.21±0.378
    Glycerol + succinate5.03±0.368
  • Values are means ± s.e.m. of 5-9 replicates