TABLE 1

Description of soil samples and metallo-β-lactamase-producing isolates analyzed in this study

Soil identifierCountrySoil typeCollection siteReferenceMetallo-β-lactamase-producing isolate(s)a
1DenmarkNonagriculturalAmagerfælledThis studyND
2DenmarkNonagriculturalAmagerfælledThis studyS. maltophilia (n = 3)
P. roseus strain SI-33 (n = 1; PEDO-1)
3DenmarkAgriculturalCopenhagen (unfertilized)17S. maltophilia (n = 3)
4DenmarkNonagriculturalHygum (control site)18J. lividum (n = 1)
5DenmarkAgriculturalHoleby19ND
6DenmarkAgriculturalLundgaard20ND
7DenmarkAgriculturalHøjgaard (Askov)20ND
8UKNonagriculturalWarwickshire (Stockton)21C. piscium strain Stok-1(n = 1; CPS-1); E. tenax strain Stok-2 (n = 1; ESP-1)
P. kyungheensis strain Stok-3 (n = 1; PEDO-3)
9GermanyAgriculturalDossenheim (control site)23S. maltophilia (n = 1)
10GermanyAgriculturalDossenheim (control site)23ND
11GermanyAgriculturalDossenheim (plantomycin treated)23ND
12AlgeriaNonagriculturalDjelfa22ND
13SpainAgriculturalAbanillaThis studyND
14SpainAgriculturalAbanillaThis studyM. oculi strain SB1-3 (n = 1, MSI-1)
15SpainAgriculturalAbanillaThis studyS. maltophilia (n = 1)
16SpainAgriculturalAbanillaThis studyS. maltophilia (n = 1)
17SpainAgriculturalAbanillaThis studyND
18SpainAgriculturalAbanillaThis studyND
19SpainAgriculturalAbanillaThis studyS. maltophilia (n = 1)
20SpainAgriculturalAbanillaThis studyND
21SpainAgriculturalAbanillaThis studyND
22SpainAgriculturalAbanillaThis studyS. maltophilia (n = 1)
23NorwayNonagriculturalOssian Sars Nature ReserveThis studySphingomonas sp. strain ALS-13. (n = 1; SPG-1)
S. maltophilia (n = 1)
J. lividum (n = 1)
P. borealis strain ALS-14 (n = 1; PEDO-2)
24NorwayNonagriculturalNy-ÅlesundThis studyJ. lividum (n = 1)
25NorwayNonagriculturalNy-ÅlesundThis studyJ. lividum (n = 4)
S. maltophilia (n = 3)
  • a n, number of isolates; ND, not detected.