PubMed · 13619818
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W T POMMERENKE. A twelfth night ovum.. https://doi.org/10.1016/s0015-0282(16)33182-x
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Very limited nuclease-treatment of actively translating lysates from unfertilized eggs of the sea urchin Lytechinus pictus results in activation of the lysate. This activation is reflected by the ability of the nuclease-treated (or 'nuclease-activated') lysates to more efficiently utilize exogenous added RNAs. The activation may be reversed by adding small aliquots of untreated lysate to the nuclease-activated lysates. These results suggest that a nuclease-sensitive negative control element may be involved in the translational repression of unfertilized eggs, and that a deactivation of this control element is partially responsible for the dramatic activation of protein synthesis following fertilization in sea urchin eggs.
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