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