AOAC 2017 First Action Methods

Table 2017.09I. Summary of results for the confirmation and identification of Campylobacter: Inclusivity

Correctly identified

Incorrectly identified

Not tested

Total

MALDI Biotyper

MALDI Biotyper

MALDI Biotyper

MALDI Biotyper

Organism

Reference

Reference

Reference

Reference

Campylobacter jejuni ATCC BAA-1062 a Campylobacter jejuni QL 022117.1 b Campylobacter jejuni QL 022117.2 Campylobacter jejuni QL 012516.11 Campylobacter jejuni QL 012516.12 Campylobacter jejuni QL 012516.13 Campylobacter jejuni QL 101998 Campylobacter jejuni QL 040698 Campylobacter coli QL 032817.1 Campylobacter coli ATCC 43481 Campylobacter coli ATCC BAA-1061 Campylobacter coli CCUG 10772 c Campylobacter coli CCUG 14537 Campylobacter lari CCUG 15031 Campylobacter lari CCUG 15035 Campylobacter lari QL 040117.8

66 65 66 65 66 66 65 66 65 65 64 65 65 63 62 66

17 17 17 17 17 17 17 17 17 17 17 14 17 17 14 17

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

2 3 2 3 2 2 3 2 3 3 4 3 3 5 6 2

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

66 65 66 65 66 66 65 66 65 65 64 65 65 63 62 66

17 17 17 17 17 17 17 17 17 17 17 17 17 17 14 17

 Total isolates

1040

272

48 d

1040 e

272 f

a  ATCC = American Type Culture Collection biological materials resource (Manassas, VA, USA). b  QL = Q Laboratories Collection (Cincinnati, OH, USA). c  CCUG = Culture Collection University Gothenburg (Gothenburg, Sweden). d  Results from modified charcoal cefoperazone deoxycholate agar (mCCDA) were excluded for two participants, and one participant was not able to complete   testing due to unforeseen circumstances. Other participants obtained no growth on a variety of agars. e  Total numbers represent isolates analyzed on the three recommended culture media: Columbia blood agar (CBA), mCCDA, RAPID’ Campylobacter , and   Campy Cefex agar. f  Reference method performed from the nonselective CBA plates only.

Table 2017.09J. Summary of results for the confirmation and identification of Gram-negative organisms– Campylobacter : Exclusivity

Correctly identified

Incorrectly identified

Not tested

Total

MALDI Biotyper

MALDI Biotyper

MALDI Biotyper

MALDI Biotyper

Organism

Reference

Reference

Reference

Reference

Citrobacter farmeri ATCC 51633 a Shimwellia blattae ATCC 29907 Edwardsiella tarda QL 11007.11 b Enterobacter aerogenes ATCC 35029 Escherichia hermannii ATCC 33651 Klebsiella oxytoca ATCC 43165 Proteus mirabilis QL 11007.6 Serratia marcescens QL 11007.1

44 22 56 25 33 43 45 31

17 17 17 17 17 17 17 17

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0

24 46 12 43 35 25 23 37

0 0 0 0 0 0 0 0 0

44 22 56 25 33 43 45 31

17 17 17 17 17 17 17 17

 Total isolates

299

136

245

299 c

136 d

a  ATCC = American Type Culture Collection biological materials resource (Manassas, VA, USA). b  QL = Q Laboratories Collection (Cincinnati, OH, USA). c  Total numbers represent isolates analyzed on the three recommended culture media: CBA, mCCDA, RCA, and CCA. d  Reference method performed from CBA agar only.

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