The shared, unique and duplicated proteins of the Aureobasidium pullulans varieties. A. Unique and shared protein families, as determined by the Markov clustering algorithm. B. Proteins shared between individual varieties, as determined by all-against-all blastp. C. Proteins present in at least two copies in the proteome of each of the four A. pullulans varieties. P, A. pullulans var. pullulans; S, A. pullulans var. subglaciale; N, A. pullulans var. namibiae; M, A. pullulans var. melanogenum.