Coomassie brilliant blue-stained SDS-PAGE gel (A), India ink-stained blotted membrane (B), and Western blot analysis (C, D) of Pythium insidiosum P1 to P16 SABH (lane 1 to 16, respectively) probed with S2 (C) and S12 (D) pythiosis serum. Molecular markers (A, B) or predicted sizes (C, D) are shown in kDa on the left.