10 Facts About Torulaspora delbrueckii

Torulaspora delbrueckii is a ubiquitous yeast species with both wild and anthropic habitats.

The type strain of T delbrueckii is CBS 1146, equivalent to CLIB 230 or ATCC 10662, etc.

Torulaspora delbrueckii was formerly known as Saccharomyces delbrueckii or Saccharomyces rosei or Saccharomyces roseus, and the anamorph is called Candida colliculosa .

Torulaspora delbrueckii is the most studied species of the genus Torulaspora that comprises 8 species to date, including T franciscae, T pretoriensis, T microellipsoides, T globosa, T indica, T maleeae, and T quercuum.

The taxonomy of the genus Torulaspora delbrueckii is evolving rapidly, and the availability of molecular tools to discriminate Torulaspora delbrueckii species will help correcting errors in species assignments.

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Torulaspora delbrueckii is isolated from several human bioprocesses, including the bread industry where some T delbrueckii strains are commercialized for frozen dough applications.

Torulaspora delbrueckii is occasionally found as a clinical isolate, although not considered to be a human pathogen, a state described as opportunistic pathogen.

Torulaspora delbrueckii is proposed as starter culture for certain applications, particularly to reduce volatile acidity in high-sugar fermentations like in Sauternes wines.

Recent findings show that T delbrueckii species has been domesticated for winemaking and other human uses about 1900 and 4000 years ago respectively.

Some authors consider T delbrueckii to be a haploid species, while more recent findings suggest T delbrueckii have a mostly diploid homothallic life.