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. 2015 Jan 22;16(1):5. doi: 10.1186/s12864-014-1198-1

Table 1.

Summary of de novo assembly of transcriptome sequence reads without reference genome

Samples Total raw reads Total clean reads Total clean nucleotides (nt) Q20 percentage GC percentage Type of gene detected Total number Total length (nt) Mean length (nt) N50
RF1 48 335 970 44 166 280 4 416 628 000 96,59% 45,65% Raw sequences 68 768 32 762 368 476 1284
Consensus sequences 41 770 37 272 781 892 1627
RF2 49 872 928 45 562 458 4 556 245 800 96,55% 45,91% Raw sequences 68 357 33 018 028 483 1289
Consensus sequences 41 881 37 472 313 895 1611

First column shows the total raw reads, the next columns shows the clean reads and nucleotids. Q20 percentage column shows the proportion of nucleotides with quality value larger than 20. GC percentage is proportion of guanidine and cytosine nucleotides among total nucleotides. The total number column shows the total sequences obtained, that represents the all raw sequences and consensus sequences, respectively. Next columns show the total nucleotides length and their mean length. The last column shows the N50 value (defined as the length for which the collection of all sequences of that length or longer contains at least half of the sum of the lengths of all sequences).