Table 1. Identification, occurrence and fermentation in Durham tube test of yeasts isolated in Amazonian forest reserves.
| Yeast species | Sampled medium | Fermentation in Durham tube test | |
| YNB-D-xylose (n = 40) | YNB-xylan (n = 40) | ||
| São João da Baliza Forest Reserve | |||
| Asterotremella humicola | 21 | 4 | − |
| Blastobotrys mokoenaii 3 | 1 | 1 | − |
| Candida amphixiae 3,5 | − | 1 | − |
| C. boidinii | 5 | 5 | − |
| C. gorgasii 2,3 | 1 | 1 | − |
| C. intermedia | 4 | 3 | − |
| C. labiduridarum 3,4 | 2 | − | − |
| C. palmioleophila 3,5 | − | 1 | − |
| C. pseudointermedia 3,5 | − | 1 | − |
| C. quercitrusa | 1 | − | − |
| C. tropicalis | 1 | 3 | − |
| Candida sp. 22,3 | 2 | 1 | − |
| Candida sp. 32,3,5 | − | 2 | − |
| Cryptococcus diffluens 3,5 | − | 1 | − |
| Cr. laurentii 5 | − | 1 | − |
| Debaryomyces hansenii | 5 | 2 | − |
| Kodamaea ohmeri 3,5 | − | 1 | − |
| Lindnera saturnus | 5 | 1 | − |
| Meyerozyma guilliermondii | − | 1 | − |
| Naumavazyma castelli 3,4 | 1 | − | − |
| Scheffersomyces stipitis | 1 | − | + |
| Schwanniomyces polymorphus 3 | 6 | 2 | − |
| Sc. vanrijiae 3 | 2 | 2 | − |
| Spathaspora passalidarum 3,5 | − | 5 | + |
| Spathaspora sp. 12,3 | 1 | 1 | − |
| Spathaspora sp. 32,3,5 | − | 1 | − |
| Trichosporon mycotoxinivorans | 1 | 2 | − |
| Mucajaí Forest Reserve | |||
| A. humicola | 6 | 6 | − |
| Candida amazonensis 2,3 | 3 | 1 | − |
| C. blattae 3,4 | 1 | − | − |
| C. boidinii | 5 | 2 | − |
| C. intermedia | − | 1 | − |
| C. maltosa 3 | 2 | 2 | − |
| C. natalensis 3,5 | − | 1 | − |
| C. quercitrusa | − | 1 | − |
| C. tropicalis | 14 | 10 | − |
| Candida sp. 12,3,5 | − | 2 | − |
| Cr. laurentii 5 | − | 1 | − |
| D. hansenii | 2 | 2 | − |
| L. saturnus | 1 | 1 | − |
| M. guilliermondii | 4 | 1 | − |
| S. stipitis | − | 1 | + |
| Spathaspora sp. 22,3,4 | 1 | − | − |
| T. mycotoxinivorans | − | 3 | − |
1
Number of samples in which the yeast was isolated.
2
Novel yeast species.
3
Occurrence restricted to one isolation site.
4
Occurrence restricted to YNB-D-xylose medium.
5
Occurrence restricted to YNB-xylan medium.