Table 4: Illumina RNA sequencing metrics, before and after preprocessing.

From: The draft genome sequence of cork oak

Plant Tissue Number of libraries Original number of reads Reads kept after pre-processing Percentage of reads kept
Pollen 1 197,725,257 192,418,402 97.3
Leaf 2 299,960,018 280,640,162 93.6
Xylem 2 361,255,569 338,218,694 93.6
Inner bark 2 311,378,053 291,162,581 93.5
Phellem 2 360,128,704 335,696,318 93.2
  1. The reads were trimmed, when required, to a minimum length of 80 nucleotides, using Sickle13 and a minimum quality of 20.