Irradiance Dependency Of Uv-A Induced Phase Shifts In The Locomotor Activity Rhythm Of The Field Mouse Mus Booduga

Sharma, Vijay Kumar; Chidambaram, R; Singh, Tennyson Jeba; Lingakumar, K; Subbaraj, Ramanujam; Chandrashekaran, Maroli K

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Irradiance Dependency Of Uv-A Induced Phase Shifts In The Locomotor Activity Rhythm Of The Field Mouse Mus Booduga

Sharma, Vijay Kumar; Chidambaram, R; Singh, Tennyson Jeba; Lingakumar, K; Subbaraj, Ramanujam; Chandrashekaran, Maroli K

URI: https://libjncir.jncasr.ac.in/xmlui/10572/202

Date: 2000

Abstract:

In the nocturnal field mouse Mus booduga, the responsiveness of the circadian system to UV-A light of 2.5 W/m(2) and 30 minutes duration is known to be phase dependent. The results of our experiments indicate that the phase shifts evoked by UV-A at the two phases, CT14 (circadian time 14) and CT20 increases nonlinearly with irradiance.