Table 2

Entrainment and free-running parameters of D. helvetica strains in the laboratory

Strain
Ψo
Ψe
α/ρ in LD 12:12
TAPC in LD 12:12
α/ρ in DD
τ (h)
TAPC in DD

haH
4.5 (0.4)
- 1.1 (0.3)
0.7 (0.3)
596 (32)
0.4 (0.2)
26.1 (0.6)
592 (59)
laH
-1.3 (0.4)
0.4 (0.2)
1.7 (0.4)
782 (61)
0.4 (0.1)
21.7 (0.4)
377 (32)

Mean values (± SD, N = 21) for the phase of activity onset (Ψo), phase of activity end (Ψe), the ratio of activity phase to rest phase (α/ρ) and the total activity per cycle (TAPC) for males of the haH strain and the laH strain of D. helvetica entrained by LD 12:12 cycles at constant temperature of 20 ± 0.5°C in the laboratory.

Vanlalhriatpuia et al. Journal of Circadian Rhythms 2007 5:1   doi:10.1186/1740-3391-5-1

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