Table 2. Trimming statistics and assembly summary of the Reference dataset.

Trimming statistics
Number of reads before trimming	296,112,296
Number of reads after trimming	289,731,590
Paired-end reads after trimming	283,857,480
Single reads after trimming	5,874,110
Sequences discarded during trimming	6,380,706
Average length before trimming	101.0
Average length after trimming	97.2

N50, 80 and 90 are the quantiles corresponding to the 50, 80 and 90 percentiles, respectively.