Table 1. Characteristics of datasets used for comparative metagenomic analysis.
| RSM (4440281.3) | BSM (4440282.3) | POCR (4440039.3) | SW (4443702.3) | PO (4443713.3) | TFS (4446153.3) | HAFS (4445417.3) | PMS (4451036.3) | AHEC (4449206.3) | |
| Number of reads | 334,386 | 388,627 | 351,205 | 209,073 | 221,744 | 782,404 | 619,288 | 217,605 | 280,753 |
| Average size read (bp) | 105±17 | 99±16 | 105±17 | 226±60 | 239±55 | 411±103 | 310±118 | 222±107 | 190±95 |
| Total Mbp | 35.5 | 38.5 | 37.0 | 47.2 | 53.0 | 322.2 | 192.3 | 48.5 | 53.5 |
| Mean GC content (%) | 49±12 | 44±10 | 46±10 | 40±9 | 39±9 | 59±6 | 62±7 | 54±10 | 52±10 |
| Taxonomy classified reads (%) a | 0.0068 | 0.038 | 0.021 | 47.5 | 55.3 | 59.4 | 58.7 | 33.5 | 8,7 |
| % KEGG matches b | 0.0095 | 0.055 | 0.037 | 19.8 | 23.1 | 16.9 | 19.5 | 12,0 | 1,8 |
| % SEED matches b | 0.0185 | 0.108 | 0.100 | 47.6 | 55.7 | 37.6 | 43.7 | 29.0 | 4.2 |
| Reference | [39] | [39] | [80] | [81] | Unpublished | [82] | Unpublished | [24] | This study |
RSM: Red Soudan Mine (acidic); BSM: Black Soudan Mine; POCR: Pacific Ocean (coral reefs); SW: Sea Water; PO: Pacific Ocean; TFS: Tropical Forest Soil; HAFS: High Andean Forest Soil; PMS: Pristine Mangrove Sediments; AHEC: Acidic Hot Spring EC. a Using RefSeq database (Bacteria, Archaea, Eukarya and Virus) (cut-off E-value 1e-10); b cut-off E-value 1 e-10.