Biochem Biophys Res Commun 2003 Jul 11;3064:880-6. doi: 10.1016/s0006-291x(03)01083-0.

M-phase regulation of the recruitment of mRNAs onto polysomes using the CDK1/cyclin B inhibitor aminopurvalanol.

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Translation under the control of the universal cell cycle regulator CDK1/cyclin B was investigated during the first cell cycle in sea urchin embryos. The CDK1/cyclin B inhibitor aminopurvalanol arrested embryos at the G2/M transition. Polysomal mRNAs were purified from control and arrested embryos, and screened for specific mRNA recruitment or release at M-phase by subtractive hybridization. The polysomal repartition of clones issued from this screen was analyzed. Three specific mRNAs were selectively recruited onto polysomes at M-phase. Conversely, two other specific mRNAs were released from polysomes. The isolation of these translationally regulated mRNAs gives now important tools for insights into the regulation of protein synthesis by the cell cycle regulator CDK1-cyclin B.

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Genes referenced: cdk1 LOC100887844 LOC115919910