Table 3 Taxonomic distribution of metagenomic contigs exhibiting highest similarity to nitrate reductase genes
Annotation software | MG-RAST | MEGAN | ContigEval | |||
|---|---|---|---|---|---|---|
Similarity search tool | Protein BLAT | BLASTX | BLASTN | |||
Functional annotation source | GenBank | SEED | GenBank | |||
| Â | P30 | NP30 | P30 | NP30 | P30 | NP30 |
Alphaproteobacteria | 5 | - | 4 | 1 | - | 1 |
Betaproteobacteria | 15 | 16 | 12 | 7 | 28 | 18 |
Gammaproteobacteria | 12 | 5 | 28 | 12 | 9 | 7 |
Bacilli | 1 | - | - | - | - | - |
Negativicutes | 1 | - | - | - | - | - |
Undefined | - | - | 2 | 1 | 1 | - |
Total number of contigs | 34 | 21 | 46 | 21 | 38 | 26 |