TABLE 1.
Arsenic-resistant L. monocytogenes strains used in this study
| Serotypea | Strainb | State or province and/or country | Yr | Sourceg | CCh | LGI2 insertion site | Reference(s) |
|---|---|---|---|---|---|---|---|
| 4b | OLM 9 | USA | 1933 | A | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 15 | USA | 1934 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 18 | USA | 1934 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 61 | Ontario, Canada | 1951 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 93 | Ontario, Canada | 1954 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 98 | Nova Scotia, Canada | 1955 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 142 | Newfoundland, Canada | 1961 | C | CC1 | LMOf2365_2257 | This study |
| 4b | OLM 152 | Newfoundland, Canada | 1963 | C | CC1 | LMOf2365_2257 | This study |
| 4b | J4187 | WI, USA | 2006 | C | CC1 | LMOf2365_2257 | 9 |
| 4b | J4600c | OK, USA | 2007 | C | CC1 | LMOf2365_2257 | 20 |
| 4b | OLM 10c,d | MA, USA | 1933 | C | CC1 | LMOf2365_0902 | 19 |
| 4b | OLM 125d | Ontario, Canada | 1959 | C | CC1 | LMOf2365_0902 | This study |
| 4b | OLM 147d | Canada | 1961 | C | CC1 | LMOf2365_0902 | This study |
| 4b | Hummusd | NAf | 1997 | E/F | CC1 | LMOf2365_0902 | This study |
| 4b | LW-A1d | NA | 2000 | E/F | CC1 | LMOf2365_0902 | 18 |
| 4b | LW-A45d | NA | 2001 | E/F | CC1 | LMOf2365_0902 | 18 |
| 4b | LW-A46d | NA | 2001 | E/F | CC1 | LMOf2365_0902 | 18 |
| 4b | J2213c,d | AZ, USA | 2003 | C | CC1 | LMOf2365_0902 | 9, 14, 20 |
| 4b | J2302d | CA, USA | 2003 | C | CC1 | LMOf2365_0902 | 9, 14, 20 |
| 4b | J2353d | IL, USA | 2003 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J2584d | VT, USA | 2003 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J3232d | OK, USA | 2004 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | 2005-446d | NC, USA | 2005 | C | CC1 | LMOf2365_0902 | This study |
| 4b | J3916d | NM, USA | 2006 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J4274d | NH, USA | 2006 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J5080d | NM, USA | 2008 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J5095d | MD, USA | 2008 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | J5136d | SC, USA | 2008 | C | CC1 | LMOf2365_0902 | 9, 14 |
| 4b | RM15655d | CA, USA | 2012 | E/F | CC1 | LMOf2365_0902 | This study |
| 4b | BS-26c | NA | NA | E/F | CC1 | LMOf2365_0902 | 20, 18 |
| 4b | J3422c | LA, USA | 2005 | C | CC1 | Intergenicj | 20 |
| 4b | FDA 100c | NA | 1986 | E/F | CC2 | LMOf2365_2418 | 20 |
| 4b | OLM 11c | CT, USA | 1933 | C | CC2 | LMOf2365_2257 | 19 |
| 4b | OLM 77 | Ontario, Canada | 1954 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 78 | Ontario, Canada | 1954 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 102 | Nova Scotia, Canada | 1955 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 117 | Nova Scotia, Canada | 1956 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 118 | Nova Scotia, Canada | 1956 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 120 | Ontario, Canada | 1957 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 121 | Ontario, Canada | 1957 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 124 | Ontario, Canada | 1958 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 127 | Newfoundland, Canada | 1959 | A | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 138 | Ontario, Canada | 1961 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 144 | Brazil | 1961 | C | CC2 | LMOf2365_2257 | This study |
| 4b | 4b1 | Germany | 1962 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 151 | Newfoundland, Canada | 1963 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 153 | Newfoundland, Canada | 1963 | C | CC2 | LMOf2365_2257 | This study |
| 4b | OLM 157 | Ontario, Canada | 1964 | C | CC2 | LMOf2365_2257 | This study |
| 4b | Scott Ac | MA, USA | 1983 | C | CC2 | LMOf2365_2257 | 12, 43 |
| 4b | FDA 11 | NA | 1987 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | LW-A58 | NA | 2001 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | J3290 | ME, USA | 2004 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | LW-A84 | NA | 2004 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | J3419 | CA, USA | 2005 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | J3768 | CO, USA | 2005 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | LW-A101 | NA | 2005 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | LW-A102 | NA | 2005 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | LW-A103 | NA | 2005 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | LW-A104 | NA | 2005 | E/F | CC2 | LMOf2365_2257 | 18 |
| 4b | J3921 | CT, USA | 2006 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | J4503 | NY, USA | 2007 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | J4948 | GA, USA | 2008 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | J4954 | CT, USA | 2008 | C | CC2 | LMOf2365_2257 | 9 |
| 4b | J1-220c | MA, USA | 1983 | NA | CC2 | LMOf2365_2257 | 42 |
| 4b | F8027c | NA | NA | E/F | CC315 | LMOf2365_0072 | 20 |
| 4b | OLM 12 | CT, USA | 1934 | C | CC4 | LMOf2365_2679 | This study |
| 4b | J2422 | RI, USA | 2003 | C | CC4 | LMOf2365_2679 | 9 |
| 4b | J3618 | NJ, USA | 2005 | C | CC4 | LMOf2365_2679 | 9 |
| 4b | J4434 | TN, USA | 2007 | C | CC4 | LMOf2365_2679 | 9 |
| 4b | RM16550 | CA, USA | 2012 | E/F | CC4 | LMOf2365_2679 | This study |
| 1/2c | 2008-911c | NC, USA | 2008 | C | CC9 | LMOf2365_2335 | 20 |
| 1/2c | LW-A124e | NA | 2005 | E/F | NDi | ND | This study |
| 1/2c | BUG916e | NA | NA | NA | ND | ND | This study |
| 1/2c | NC140e | NC, USA | NA | E/F | ND | ND | This study |
| 1/2c | NC191e | NC, USA | NA | E/F | ND | ND | This study |
| 1/2b | F7493 | NA | 1989 | E/F | ND | LMOf2365_2257 | This study |
| 1/2a | 2012-0070c | NC, USA | 2012 | E/F | CC14 | LMOf2365_0271 | 20 |
| 1/2a | OLM 29e | England | 1938 | A | CC31 | ND | This study |
| 1/2a | L1014ae | VA, USA | 2004 | E/F | CC8 | ND | This study |
| 1/2a | FDC 102956e | NA | 2002 | NA | ND | ND | This study |
| 1/2a | 192Ae | NC, USA | 2004 | E/F | ND | ND | This study |
| 1/2a | 2004-363e | NC, USA | 2004 | C | ND | ND | This study |
| 1/2a | L1009ae | VA, USA | 2004 | A | ND | ND | This study |
| 1/2a | L1508ae | VA, USA | 2005 | E/F | ND | ND | This study |
| 1/2a | BUG923 | NA | NA | NA | ND | ND | This study |
a
Serotype was determined with the PCR-based serotyping scheme devised by Doumith et al. (33).
b
Bold, strains PCR positive for all tested LGI2 genes.
c
Strain with a sequenced genome.
d
PCR positive for only two of the tested LGI2 genes (arsA2 and ardA).
e
PCR negative for all tested LGI2 genes.
f
NA, not available.
g
A, C, and E/F represent animal, clinical, and environment/food isolates, respectively.
h
The CC was determined as described in Materials and Methods.
i
ND, not determined.
j
Intergenic region between LMOf2365_2381 and LMOf2365_2382.