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Table 2 Protein concentrations in the D. pulex clones G and M

From: The transcriptomic and proteomic responses of Daphnia pulex to changes in temperature and food supply comprise environment-specific and clone-specific elements

Clone Stress Time (h) Protein concentration
G Control 0 24.3 ± 5.2
G 30 °C, ad libitum feeding 24 25.0 ± 5.3
G Starvation, 20 °C 24 14.9 ± 2.1*
G 30 °C, starvation 24 16.6 ± 4.7
G 30 °C, ad libitum feeding 48 24.0 ± 4.2
G Starvation, 20 °C 48 12.0 ± 1.8**
G 30 °C, starvation 48
M Control 0 25.6 ± 3.8
M 30 °C, ad libitum feeding 24 25.0 ± 5.0
M Starvation, 20 °C 24 18.0 ± 16.7
M 30 °C, starvation 24 23.0 ± 5.1
M 30 °C, ad libitum feeding 48 22.1 ± 4.7
M Starvation, 20 °C 48 21.0 ± 3.1
M 30 °C, starvation 48 22.2 ± 6.6
  1. Protein concentration (μg/mg fresh weight; mean ± standard deviation; per clone, stress condition, and period, n = 3-10 measurements on N = 25-30 animals each) in control animals or differently stressed animals (heat, starvation, heat-and-starvation) of the D. pulex clones G and M after different periods of stress exposure (24 h or 48 h). Asterisks indicate significant differences compared with control conditions (20 °C, ad libitum feeding): *, P < 0.05; **, P < 0.01 (t-tests)