Yeasts are eukaryotic, single-celled microorganisms classified as members of the funguskingdom. The yeast lineage originated hundreds of million years ago, and 1,500 species are currently identified.[1][2][3] They are estimated to constitute 1% of all described fungal species.[4]Yeasts are unicellular organisms who evolved from multicellular ancestors,[5] with some species having the ability to develop multicellular characteristics […] read more