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Fig. 3. Difference in response to heat induction and in the level of expression of
hsp22 (A) and hsp70 (B) genes between long- and short-lived
lines. The flies were heat induced at 37°C for 2, 5, 10, 20 and 40 min
before RNA was extracted for reverse transcription. Quantitative PCR was
performed to determine the inducible mRNA expression levels of hsp
genes (N=3). Values are means ±
S.E.M. **P<0.01
versus control;
130-fold increase compared to the
control;
80-fold increase compared to the control.