Table 1 List of Listeria monocytogenes isolates used in this study

Clinical isolates

F4244

4b

WT

DUP-1044

CDC, Listeriosis patient, CSF

-KB208

lap-

Insertion mutant

[13]

-CKB208

lap-lap+

Complemented strain

[13]

-AKB103

∆secA2

Deletion mutant

[6]

-AKB104

∆secA2 secA2+

Complemented strain

[6]

-AKB301

∆inlA

Deletion mutant

[7]

-AKB302

∆inlA inlA+

Complemented strain

[7]

V7

1/2a

DUP-1039

USFDA, Ohio outbreak, raw milk and cheese

Scott A

4b

DUP-1042

USFDA, Massachusetts milk outbreak, human, CSF

F4263

1/2b

DUP-1042

CDC, Listeriosis patient, CSF

F4243

4b

ND

CDC, Listeriosis patient, CSF

F4264

4b

DUP-1038

CDC, Listeriosis patient, CSF/Blood

F4262

4b

DUP-1051

CDC, Listeriosis patient, CSF/Blood

ATCC7644

1/2c

DUP-1039

ATCC, human

CHLR1

1

DUP-1023

CHLR, Blood, newborn female, 1984

CHLR2

1

DUP-1042

CHLR,CSF, two-week old female, meningitis, 1984

CHLR3

4

DUP-1038

CHLR, CAP isolate from CSF, human

CHLR4

1

DUP-1042

CHLR, CAP isolate from CSF; human

CHLR5

4

DUP-1042

CHLR, CSF, 11 day-old male, meningitis

CHLR6

1

DUP-1042

CHLR, female, meningitis

CHLR7

4

DUP-1024

CHLR, meningitis, child

CHLR8

1

DUP-1053

CHLR, 14-day old female, meningitis, 1985

CHLR9

4

DUP-1038

CHLR, CAP isolate from CSF, Human

CHLR10

4

DUP-1038

CHLR, 23-day old female, meningitis

CHLR11

1

DUP-1052

CHLR, 7-month old female, meningitis,1988

CHLR12

1

DUP-1053

CHLR, 11-day old male, meningitis,1988

CHLR1250

1

DUP-1048

CHLR, Blood, 11 year old male

V1

½ a

ND

Guinea pig lymph node

V2

½ c

DUP-1039

CSF human

V3

3a

DUP-1030

Human

V4

4a

DUP-1059

Sheep brain

V5

4b

DUP-1042

CSF, human

ATCC 19117

4d

DUP-1042

Human

H1

4b

DUP-1038

Aorta prothesis (69 years old patient), Sao Paulo, Brazil; 2001

H2

4b

DUP-18604

CSL (73 years old patient), Sao Paulo, 2000

H3

4b

DUP-19191

CSL (60 years old patient), Sao Paulo, 1998

H4

4b

DUP-1042

Blood (34 years old patient), Sao Paulo, 1998

H5

1/2a

DUP-1023

CSL (71 years old patient), Sao Paulo, 1995

H6

4b

DUP-18604

CSL (26 years old patient, HIV + death), Sao Paulo, 2001

H7

4b

DUP-1042

Blood (5 days old patient), Sao Paulo, 2004

H8

4b

DUP-1042

Blood (61 years old patient), Sao Paulo, 2003

H9

4b

DUP-1038

Blood (48 years old patient, death), Sao Paulo, 2004

H10

1/2a

DUP-19173

CSLF (55 years old patient), Sao Paulo, 2004

H11

1/2b

DUP-19175

Blood (72 years old patient), Sao Paulo, 2005

H12

4b

DUP-1038

CSL (death), Sao Paulo, 2005

H13

ND

DUP-1042

CSLF (16 years old patient), Sao Paulo, 2002

H14

ND

DUP-1042

CSL, Sao Paulo, 2002

H15

ND

ND

CSL, Sao Paulo, 2005

H16

ND

ND

Blood (6 days old patient), Sao Paulo, 1998

H14

ND

DUP-1042

CSL, Sao Paulo, 2002

H15

ND

ND

CSL, Sao Paulo, 2005

H16

ND

ND

Blood (6 days old patient), Sao Paulo, 1998

Food Isolates

B30

B30

B30

B30

B30

E16

E16

E16

E16

E16

G21

G21

G21

G21

G21

T1

T1

T1

T1

T1

BB8

BB8

BB8

BB8

BB8

LL1

1

DUP-1044

Beef steak

F1

1

DUP-1029

Skinless boneless Chicken

H6

1

DUP-1039

Skinless boneless Chicken

GG8

1

DUP-1042

Skinless boneless Chicken

J1

1

DUP-1052

Skinless boneless Chicken

L32

4

DUP1044

Skinless boneless Chicken

S2

1

DUP1052

Skinless boneless Chicken

V6

4c

DUP-1061

VICAM, poultry

F1057

4b

DUP-1044

CDC, raw milk