Strain Isolation location (UFC/g or UFC/mL) Pb* Identification % identity GeneBank accession no. S47 Soil 2 × 104 600 Rhodotorulamucilaginosa 100% JN651166 S48 Soil 3 × 104 597 Rhodosporidiumdiobovatum 100% JN651165 S49 Soil 1 × 104 595 Meyerozyma (Pichia) guilliermondii 99% JN651164 S51 Soil 1 × 105 614 Meyerozymasp. 98% - S53 Soil 2 × 104 614 Meyerozyma (Pichia) guilliermondii 99% JN651168 MR58 Mixing 3 × 103 546 Wickerhamia sp. 99% JN651169 MR73 Mixing 1 × 106 546 Wickerhamia sp. 98% JN651167 ESC1 Emulsion top 7 × 102 600 Rhodotorulamucilaginosa 99% JN651162 SJ1 Soil 2 × 104 614 Meyerozyma (Pichia) guilliermondii 99% - SP1 Soil 2 × 104 614 Meyerozymasp. 97% JN651163 SV1 Soil 1 × 105 614 Meyerozyma (Pichia) guilliermondii 100% JN651170 * Pb = number of base pairs of the sequence - The yeasts were coded with letters identifying the place of isolation (S - soil, MOW-mixtures of oily waste, EO - emulsion, top). The strains S47, S48, S49, S51, S53, MR58 and MR73 were obtained from plates containing Sabouraud medium supplemented with 1% (v/v) gasoline and morphotypes SP1, ESC1, SJ1 and SV1 from plates containing mineral medium for fungi (MMF) with 1% (v/v) gasoline.

Table 1: Enumeration and isolation places of yeasts and their identification by sequencing of the D1/D2 region of 26S rDNA.