RNA was isolated as previously described [36 (link)] by using TRIzol protocol (TRI Reagent, Sigma®, St. Louis, MO, USA, No. T9424), in which chloroform (Sigma® No. C2432) served as denaturing agent for the cells and isopropanol (Sigma® No. 650447) was the precipitating agent for RNA. The precipitate was diluted in DEPC water (Ambion®,Austin, TX, USA, No. AM9920), which also contains 1% SUPERaseIn RNase Inhibitor (Thermo Fisher®, Waltham, MA, USA, No. AM2694).
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