RNA isolation was performed with NucleoSpin RNA/Protein kits from Macherey-Nagel according to the manufactures instructions including on column DNase treatment. The RNA concentration and quality was measured with spectroscopy (Nanodrop, Thermo Fisher Scientific) and capillary electrophoresis (Agilent 2100 Bioanalyzer). Approximately 1 µg total RNA was reverse transcribed using the Multi-Scribe RT kit (Applied Biosystems, Carlsbad, CA) with random hexamers. Reactions were performed in triplicate using SYBR Green I master mix (Applied Biosystems, Carlsbad, CA). Normalization and error propagation were calculated as described [116] (link). Relative quantities were normalized to beta-actin. Sequences of qPCR primer pairs are provided in S8 Table.
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