Table 2. Methods used for preparing and sequencing samples through two independent NGS runs.
Site | NGS round | Extraction kit (Qiagen) | Reverse transcription approach* | Product clean-up** |
Library type | # of indexing PCR cycles | Illumina platform |
---|---|---|---|---|---|---|---|
Blue | 1 | QIAamp MinElute Virus Spin kit | Random hexamers | AMpure XP beads | cDNA | 20 | NextSeq |
2 | RNeasy kit | Random hexamers | Spin Column | cDNA | 18 | HiSeq | |
2 | RNeasy kit | SISPA | Spin Column | SISPA | 5 | HiSeq | |
Ichetucknee | 1 | QIAamp MinElute Virus Spin kit | Random hexamers | AMpure XP beads | cDNA | 20 | NextSeq |
2 | RNeasy kit | Random hexamers | Spin Column | cDNA | 18 | HiSeq | |
2 | RNeasy kit | SISPA | Spin Column | SISPA | 5 | HiSeq | |
Manatee | 1 | QIAamp MinElute Virus Spin kit | Random hexamers | AMpure XP beads | cDNA | 20 | NextSeq |
2 | RNeasy kit | Random hexamers | Spin Column | cDNA | 18 | HiSeq | |
2 | RNeasy kit | SISPA | Spin Column | SISPA | 5 | HiSeq | |
Rainbow | 1 | QIAamp MinElute Virus Spin kit | Random hexamers | AMpure XP beads | cDNA | 20 | NextSeq |
Notes:
Distinguishes if cDNA was obtained using random hexamers included with the Superscript First-Strand Synthesis System (Invitrogen) or primers used for sequence-independent, single-primer amplification (SISPA).
Procedure used to clean-up Klenow reaction products (cDNA libraries) and SISPA products prior to NGS library preparation. The spin column procedure was performed with the DNA Clean & Concentrator®-25 kit (Zymo Research).