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Table 2 General features of SL1 and SL3 metagenomes

From: Mercury contamination imposes structural shift on the microbial community of an agricultural soil

 SL1SL3
1.Pre-processing
 a. Raw reads  
  Reads46,29227,220
  Total bases (bp)13,787,4577,604,708
  Mean read length (bp)297.84 ± 27.40279.38 ± 72.10
  Mean GC content (%)54.77 ± 7.1452.82 ± 16.09
 b. Quality trimming
  Trimmed reads
  Reads45,795 (98.93%)25,075 (92.12%)
  Total bases (bp)13,769,735 (99.87%)7,529,285 (99.01%)
  Mean read length (bp)300.68 ± 1.78300.27 ± 10.25
  Mean GC content (%)55.33 ± 4.4857.23 ± 5.34
  Paired reads45,784 (99.98 %)24,976 (99.61 %)
  Paired total bases13,766,902 (99.98 %)7,510,110 (99.75 %)
  Unpaired reads11 (0.02 %)99 (0.39 %)
  Unpaired total bases2,833 (0.02 %)19,175 (0.25 %)
2 Assembly and annotation
 a. De novo assembly by idba_ud
  Number of contigs6838
  N50 (bp)423424
  Max contig size (bp)465458
  Min contig size (bp)326262
  Total assembly size (bp)27,92915,691
 b. Assembly validation by read mapping
  Number of mapped reads31,31515,774
  % of Total reads68.38%62.91%
  Number of unmapped reads14,4809,301
  % of Total reads31.62 %37.09 %
  Average fold coverage276.60 X275.14 X