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Positions of external transcribed spacer (ETS), small subunit rDNA (SSU), internal transcribed spacer (ITS) comprising ITS1, 5.8S rDNA and ITS2, and large subunit rDNA (LSU) with its D1/D2 domain are shown. Numbers in the circle correspond to the primers listed in Table 3. Upstream and downstream primers are indicated by arrows toward right and left, respectively.
