F-actin localization during trochoblast differentiation embryos

We have studied the development of the ciliated, Patella vulgata trochophore larvae. This organ, the different clones of trochoblasts. In each of these filamentous (F-) actin is formed at the time that which we visualized with TRITC-phalloidin, is cilia that crosses each trochoblast. Isolated quartets of animal micromeres (from which the form rows of cilia and F-actin bands at the proper embryos, the trochoblasts shift their position form a ring of differentiated prototroch cells with a encircling the entire larva. At the dorsal side, a and thus a double band of F-actin is present. In double F-actin band are found in trochophores in which dorsoventral axis is inhibited experimentally. shows that the F-actin band extends from the apical cytoplasm of the prototroch cells. At the rootlet connected to the basal body of each cilium can the cytoplasm toward the nucleus, and a band of actin- interconnect neighboring basal apparatus. Treatment of cytochalasin B disrupts the organization of the F- TRITC-phalloidin, affects the angle of the effective reduces their swimming capacity. This suggests that for the normal locomotory behavior of the Patella
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