Table 1 Summary of the distribution and relative abundance of AMR genes according to antibiotic class in Scottish soils.
From: Antibiotic resistance patterns in soils across the Scottish landscape
Antibiotic class | The proportion of locations with resistance detected (%) | Mean gene frequency at each location | Mean log relative abundance at each location (std. dev. in parenthesis) | Top genes | |
|---|---|---|---|---|---|
Presence | Abundance | ||||
Aminoglycoside | 89 | 6 (13%) | −6.37 (1.01) | aacC, spcN, aadA9 | aacC, aacC4, spcN |
Beta-lactam | 100 | 13 (24%) | −5.16 (0.49) | blaCTX-M-04, ampC, cphA | cphA, fox5, blaTEM |
FCA | 94 | 2 (22%) | −6.14 (0.96) | cmxA, floR, cmlA1 | cmxA, floR, cmlA1 |
MLSB | 100 | 9 (20%) | −5.81 (0.49) | mphA, pikR2, erm36 | mphA, pikR2, erm36 |
Multidrug | 100 | 20 (39%) | −4.85 (0.36) | tolC, oprD | mexF, oprD, oprJ |
Sulfonamide | 46 | 1 (14%) | −7.35 (0.50) | sul2, sulA-folP, sul1 | sulA-folP, sul2, sul1 |
Tetracycline | 98 | 7 (18%) | −6.30 (0.54) | tetG, tetR | tetB, tetR, tetG |
Vancomycin | 100 | 7 (22%) | −5.76 (0.51) | vanC, vanHB, vanTC | vanC, vanXD, vanHB |
Other | 94 | 2 (18%) | −6.11 (0.67) | pncA, bacA | pncA, bacA |
Mobile genetic elements | |||||
Integrons | 94 | 1 (20%) | −5.21 (0.56) | intl_1clinic, intl3, intl_1LC | intl_1clinic, intl3, intl_1LC |
Transposons | 97 | 3 (38%) | −6.85 (0.62) | tnpA | tnpA |