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Recently it was found living cells of a ''Debaryomyces'' species in a [https://www.brewlab.co.uk/news/the-original-flag-porter-story bottle of porter] found in a shipwreck under the English Channel that was dated to 1825. It is currently unknown how this yeast might have affected the flavor of the historical porter, but the characterization of this yeast is underway by Brewlab in the UK <ref name="Brewlab_debaryomyces" />.
Some species of ''Debaryomyces'' can produce exopolysaccharides (EPS), which are extracellular (produced and expelled outside of the cell) polymers of monosaccharides connected by glycosidic bonds with a degree of polymerization higher than 10. EPS assists in producing biofilms for microorganisms. It is possible that EPS from yeast could make beer "ropy' " or "sick", similar to [[Pediococcus]] <ref name="Gientka_2015">[https://www.researchgate.net/publication/283498621_Exopolysaccharides_from_yeast_insight_into_optimal_conditions_for_biosynthesis_chemical_composition_and_functional_properties_-_review?fbclid=IwAR1X6Y0rnquoF6SD-eH9m6EWpLIefgZJFUJK51NJYBooJWngxEVS2aR3PKE Exopolysaccharides from yeast: insight into optimal conditions for biosynthesis, chemical composition and functional properties - review. Iwona Gientka, Stanisław Błażejak, Stanisław Błażejak, Lidia Stasiak, Lidia Stasiak, Anna Chlebowska-Śmigiel, Anna Chlebowska-Śmigiel. 2015.]</ref>.
====''Debaryomyces hansenii''====