- 425–600μm acid-washed glass beads.
 - Phenol–chloroform–isoamyl alcohol (25:24:1) pH 6.7.
 - Chloroform.
 - 100% ethanol.
 - 80% ethanol.
 - TURBO DNaseI.
 - Nuclease-free water.
 - RNA Purification kit (e.g., GeneJET, ThermoFisher
Scientific). 
Selectively RT Tagged RNAs
Add 3' adapter via U-select primer5' UUUUU5' UUUUUGGGIGGIGGGIGIGG5'5'UUUUUGGGIGGIGGGIGIGG
AAACCCCCCCCC5'5'AAAAACCCCCCCCCIsolate total RNAG/I-tail all RNAs5' TTTTTGGGGGGGGG
AAAAACCCCCCCCC 5'NNNNNNPCR amplify via 5' and 3' adapters and purify librariesPoly(A) selectionSynthesize 2nd strand and
add the 5' adapterRBPPUP
UUUUUrRNA depletionAnalyze by paired-end
high-throughput sequencingSection 3.1Section 3.2Section 3.3Section 3.4Section 3.5Section 3.6Section 3.7Fig. 1Schematic of the RNA Tagging library preparation workflow. Adapted from
Fig. 1 in Lapointe et al. [10]
RNA Tagging Library Preparation 457