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Objective  Label-free quantitative proteomics has emerged as a powerful strategy to obtain high quality quantitative measures of the proteome with only a very small quantity of total protein extract. Because our research projects were requiring the application of bottom-up shotgun mass spectrometry proteomics in the pathogenic yeasts  Candida glabrata  and  Candida albicans , we performed preliminary experiments to (i) obtain a precise list of all the proteins for which measures of abundance could be obtained and (ii) assess the reproducibility of the results arising respectively from biological and technical replicates.    Data description  Three time-courses were performed in each  Candida  species, and an alkaline pH stress was induced for two of them. Cells were collected 10 and 60 min after stress induction and proteins were extracted. Samples were analysed two times by mass spectrometry. Our final dataset thus comprises label-free quantitative proteomics results for 24 samples (two species, three time-courses, two time points and two runs of mass spectrometry). Statistical procedures were applied to identify proteins with differential abundances between stressed and unstressed situations. Considering that  C. glabrata  and  C. albicans  are human pathogens, which face important pH fluctuations during a human host infection, this dataset has a potential value to other researchers in the field.

Label-free quantitative proteomics in Candida yeast species: technical and biological replicates to assess data reproducibility