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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