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Table 3 The Vibrant GPP array’s lowest limit of detection

From: Evaluation of the Vibrant DNA microarray for the high-throughput multiplex detection of enteric pathogens in clinical samples

 

Organism

Source/isolate ID

LoD concentration

Agreement

Bacteria

E. coli O157:H7

ATCC 43895

1.0 × 102 cells/mL

100% (5/5)

Enteroaggregative E. coli (EAEC)

ATCC 23501

1.0 × 102 cells/mL

100% (5/5)

Enteropathogenic E. coli (EPEC)

ATCC 43887, Clinical Specimen

1.5 × 103 cells/mL

100% (5/5)

Enterotoxigenic E. coli (ETEC) lt/st

ATCC 35401

2.0 × 103 cells/mL

100% (5/5)

Shiga-like toxin producing E. coli (STEC) stx1/stx2

ATCC BAA-2196, ATCC 43895, Clinical Specimen

1.0 × 102 cells/mL

100% (5/5)

Plesiomonas shigelloides

ATCC 14029

3.0 × 102 cells/mL

100% (5/5)

Vibrio parahaemolyticus

ATCC 17802

3.0 × 103 cells/mL

100% (5/5)

Vibrio vulnificus

ATCC 27562

1.0 × 104 cells/mL

100% (5/5)

Helicobacter pylori

ATCC 700392

1.5 × 104 cells/mL

100% (5/5)

Listeria spp.

ATCC 19111

3.0 × 103 cells/mL

100% (5/5)

Vibrio Cholerae

ATCC 14035

2.0 × 102 cells/mL

100% (5/5)

C. difficile Toxin A/B

ATCC 9689

1.0 × 103 cells/mL

100% (5/5)

Salmonella spp.

ATCC 700623

2.0 × 103 cells/mL

100% (5/5)

Shigella/Enteroinvasive E. coli (EIEC)

ATCC 29930

1.0 × 102 cells/mL

100% (5/5)

Yersinia enterocolitica

ATCC 9610

2.0 × 104 cells/mL

100% (5/5)

Campylobacter jejuni

ATCC BAA-1234

3.0 × 102 cells/mL

100% (5/5)

Campylobacter upsaliensis

ATCC 43954

1.0 × 102 cells/mL

100% (5/5)

Parasite

Giardia lamblia

ATCC 30957

4.0 × 102 cells/mL

100% (5/5)

Cryptosporodium spp.

Waterborne P102C

1.0 × 102 oocycts/mL

100% (5/5)

Entamoeba histolytica

ATCC 30459

1.0 × 102 cells/mL

100% (5/5)

Cyclospora cayetanensis

Zeptometrix control

2.0 × 103 DNA copies/mL

100% (5/5)

Virus

Norovirus GI/GII

Zeptometrix control

1.0 × 103 RNA copies/mL

100% (5/5)

Rotavirus A

ATCC VR-2104

3.1 × 102 RNA copies/mL

100% (5/5)

Adenovirus F 40/41

ATTC VR-930/931

1.0 × 102 RNA copies/mL

100% (5/5)

Astrovirus

Zeptometrix control

1.2 × 103 RNA copies/mL

100% (5/5)

Sapovirus (I, II, IV, V)

Zeptometrix control

2.1 × 102 RNA copies/mL

100% (5/5)

Fungi

Candida spp.

ATCC 10231

1.0 × 102 cells/mL

100% (5/5)

Microsporidium spp.

Clinical specimen

2.0 × 102 DNA copies/mL

100% (5/5)