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Table 1 MALDI-TOF MS identification of Streptococci, Lactococci, Weisella and Aerococci to genus- and species-level by direct plating and cell lysis preparatory method

From: Evaluation of matrix-assisted laser desorption ionisation time-of-flight mass spectrometry (MALDI-TOF MS) for the Identification of Group B Streptococcus

Organism

Number of isolates

Direct plating

Cell lysis

Genus-level identification only

Species-level identification

Genus-level identification only

Species-level identification

Streptococcus agalactiae

36

1

35

0

36

Streptococcus salivarius

1

1

0

0

1

Weissella confusa

2

0

2

0

2

Lactococcus garvieae

45

6

39

5

40

Lactococcus lactis

8

0

8

0

8

Aerococcus viridans

4

0

4

0

4

Total

96

8

88

5

91