Phase delaying the human circadian clock with a single light pulse and moderate delay of the sleep/dark episode: no influence of iris color

Background  

Light exposure in the late evening and nighttime and a delay of the sleep/dark episode can phase delay the circadian clock. This study assessed the size of the phase delay produced by a single light pulse combined with a moderate delay of the sleep/dark episode for one day. Because iris color or race has been reported to influence light-induced melatonin suppression, and we have recently reported racial differences in free-running circadian period and circadian phase shifting in response to light pulses, we also tested for differences in the magnitude of the phase delay in subjects with blue and brown irises.     

Evaluation of Different Inoculation Methods for Screening of Sclerotinia rot and Phytophthora blight in Perilla Germplasm

Journal of Crop Science and Biotechnology - Sclerotinia rot and Phytophthora blight are devastating diseases of perilla that can cause huge loss of perilla production. Screening disease resistant...