The Helicos SMS protocol involves creation of single-stranded cDNA templates directly from mRNA and hybridization of these poly-adenylated templates to complementary oligomers bound to a glass slide for sequencing (Figure S1).
The obtained tombusvirus replicase is template dependent and it can use added TBSV-derived RNA templates for complementary RNA synthesis, including or RNA synthesis depending on the polarity of the added RNA template [34], [35], [67].
The results show that the multi-level combination of complementary templates, alternative alignments and similar models aided by model quality assessment can systematically improve both template-based and template-free protein modeling.
RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) acts downstream of Pol IV, presumably using single-stranded Pol IV transcripts as templates for the production of complementary RNAs.
For example, PCR of mSlo1 was performed with mSlo as a template and a pair of complementary mutagenesis primers.
We chose hybridization conditions (>24 h) where the cot value allows nearly 100% of complementary template hybridization in complex genomes, including all non-repetitive sequences.
Total RNA was used as template for the generation of complementary DNA (cDNA) using Superscript II (Invitrogen, UK) and anchored oligo dT) primers (Sigma, UK) according to the manufacturer's protocols.
Total RNA was isolated from cell lines, tumour cells in clinical samples, and from PBMCs using Trizol reagent (Invitrogen, Carlsbad, CA, USA), and was used as a template for the synthesis of complementary DNA by RT using random primers (Invitrogen).
Amplifications were processed in 50-μL reaction volumes with 2.5 μL of dimethyl sulfoxide, 5 μL olf 10X Buffer (Fermentas), 4 μL of MgCl2, 0.6 μL of each primer (50 μM), 0.3 μL of TrueStart Taq polymerase (Fermentas), and 1 μL of template complementary DNA or 2 μL of genomic DNA.
RNA was extracted from batches of 20 or 30 whole embryos per repeat using Trizol®, as a template for complementary DNA synthesis (Verso™ cDNA synthesis kit, Thermo Fisher).
