High Quality Content by WIKIPEDIA articles! Pigment dispersing factor (pdf) is a gene that encodes for the protein PDF, which is part of a large family of neuropeptides. The analogous hormone, pigment dispersing hormone (PDH) was named for the diurnal pigment movement effect it has in crustacean retinal cells, and was initially discovered in the central nervous system of arthropods. The movement and aggregation of the pigments in retina cells and extra-retinal cells is under a hypothesized split hormonal control. One hormonal set is responsible for concentrating chromatophoral pigment and responds to changes in the length of darkness presented to the organism whereas another set is responsible for dispersion and responds to the light cycle. However, insect PDF genes do not function in such pigment migration since they lack the chromatophore. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом...

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