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Larvae of a marine ragworm Platynereis dumerilii have been studied as a zooplankton model, and possess photoreceptor cells in the brain to regulate circadian swimming behavior. This study revealed that a photoreceptive protein in the brain photoreceptor cells is UV (ultra-violet) sensitive. Since avoidance of UV irradiation is a major cause of a large-scale daily movement of zooplankton, the UV sensor in the brain would be important for physiology and ecology of the zooplankton model.
Original Article: UV-sensing protein in brain of marine annelid zooplanktonNEXT ARTICLE
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...