A developmental translational regulator important in germ-cell development and, in some contexts, posterior body patterning.
Its interactions with RNA-binding partners can repress biological translation or promote removal of selected messages. This permits different protein output from cells that inherited similar RNA supplies, connecting post-transcriptional regulation to embryonic patterning. [ref]
RNA regulatory elements mediate control of Drosophila body pattern by the posterior morphogen nanos by Robin P. Wharton and Gary Struhl. 1991, translational control through RNA regulatory elements
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