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. 2013 Sep 12;8(2):398–408. doi: 10.1038/ismej.2013.153

Table 1. Sequencing and assembly statistics.

Category Sphingobium indicum B90A Metagenome (Illumina data)
Sequence data 450 Mbp (320 bp) 1.6 Gbp (75 bp)
Reads after quality filtration 42 044 290 20 111 630
No. of contigs 149 (>500 bp) 1 216 300 (>200 bp)
Average contig coveragea 80 3
Reads used in assembly 33 635 432 (80%) 1 608 930(8%)
N50b 95 Kbp 253 bp
Max. contig size ∼253 Kbp ∼3 Kbp
GC content 65 61

Abbreviation: N50 is the length of the smallest contig in a bin that contains largest contigs representing at least half of the total assembly length.

a

Calculated by mapping of reads to contigs with the criteria of 95% identity over 90% of the read length.

b

Based on minimum contig length criteria, that is, genome ⩾500 bp and metagenome ⩾200 bp.