Agarose gel electrophoresis of ITS-PCR products of yeasts species after digestion with MspI; lanes 1 - 11: C. albicans, C. parapsilosis, C. tropicalis, C. glabrata, C. krusei, C. guilliermondii, C. famata, C. kefyr, C. intermedia, C. haemulonii and C. sorbosivorans, respectively; Lane M: a 100-bp DNA size marker