The improvement of a phenotype microarray protocol for the chemical sensitivity analysis of Streptococcus thermophilus

Phenotype MicroArray (PM) permits the characterisation of bacteria under nearly 2000 culture conditions. The PM standard procedure for the chemical sensitivity analysis of Gram-positive bacteria failed in the analysis of Streptococcus thermophilus. Therefore, we developed an efficient and reproducible protocol to obtain a chemically sensitive profile of S. thermophilus using PM.