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Author (up) Sinam, B.; Sharma, S.; Thakurdas, P.; Joshi, D.S. url  doi
  Title Bright photophase accelerates re-entrainment after experimental jetlag in Drosophila Type Journal Article
  Year 2012 Publication Die Naturwissenschaften Abbreviated Journal Naturwissenschaften  
  Volume 99 Issue 7 Pages 575-578  
  Keywords Animals; Circadian Rhythm/*physiology; Drosophila/*physiology/*radiation effects; *Light; Motor Activity/physiology; *Photoperiod  
  Abstract The efficacy of bright photophase (BP) in accelerating the re-entrainment of Drosophila biarmipes rhythm following 8 h phase advance and delay of light-dark (LD) cycle was examined by subjecting the flies to 24 h LD cycles with dim photophase (DP) at 30 lx and BP at 300 lx. Re-entrainment was analysed by using the activity onset, activity offset and the duration of activity. Following LD advance or delay, the BP flies re-entrained faster than the DP flies which was attributed to the enhanced zeitgeber strength of BP. Nevertheless, the re-entrainment was a protracted process even in the BP flies since the activity offsets underwent more transients than the activity onsets. Thus, this study demonstrates that the BP accelerates the re-entrainment in D. biarmipes. It, however, also reveals that the re-entrainment is a prolonged process when the activity onset and offset are regarded as the rhythm markers.  
  Address Center for Biological Rhythm Research, Ahmednagar College, Ahmednagar, 414001, MS, India  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0028-1042 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:22684252 Approved no  
  Call Number IDA @ john @ Serial 109  
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