Table 5 Functional prediction of nitrogen metabolism and arginine biosynthesis in soil microbiomes from paddy soils in Kaya and Ishikawa villages.
From: Soil microbes and organic fertilizer efficiency are associated with rice field topography
Function | Description | METACYC | KEGG ortholog | Relative frequency (%) | Probability | ||
|---|---|---|---|---|---|---|---|
Kaya | Ishikawa | ||||||
Nitrogen metabolism | Nitrate reduction I (denitrification) | DENITRIFICATION-PWY | – | 0.0173 | 0.0125 | 0.016 | * |
|  | Nitrate reductase / nitrite oxidoreductase, alpha subunit [1.7.5.1 1.7.99.-] | – | K00370 | 0.0066 | 0.0043 | 0.0004 | *** |
|  | Nitrate reductase / nitrite oxidoreductase, beta subunit [1.7.5.1 1.7.99.-] | – | K00371 | 0.0067 | 0.0044 | 0.0004 | *** |
|  | Nitrate reductase gamma subunit [1.7.5.1 1.7.99.-] | – | K00374 | 0.0065 | 0.0045 | 0.001 | *** |
|  | Nitrite reductase (NO-forming) [1.7.2.1] | – | K00368 | 0.0019 | 0.0013 | 0.04 | * |
|  | Nitric oxide reductase subunit B [1.7.2.5] | – | K04561 | 0.0068 | 0.0056 | 0.021 | * |
|  | Nitrous-oxide reductase [1.7.2.4] | – | K00376 | 0.0015 | 0.0009 | 0.011 | * |
Arginine biosynthesis | Urea cycle | PWY-4984 | – | 0.2276 | 0.1570 | 0.002 | ** |
|  | Ornithine carbamoyltransferase [2.1.3.3] | – | K00611 | 0.0638 | 0.0625 | 0.272 |  |
|  | Argininosuccinate synthase [6.3.4.5] | – | K01940 | 0.0692 | 0.0668 | 0.041 | * |
|  | Argininosuccinate lyase [4.3.2.1] | – | K01755 | 0.0692 | 0.0668 | 0.042 | * |
|  | Arginase [3.5.3.1] | – | K01476 | 0.0150 | 0.0090 | 0.005 | ** |
