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* [https://www.milkthefunk.live/podcast/2019/10/14/episode-009-diastaticus-with-kristoffer-krogerus-of-beersuregorkcom-and-richard-preiss-of-escarpment-labs MTF "The Podcast" episode on diastaticus with Kristoffer Krogerus and Richard Preiss.]
* [http://beer.suregork.com/?p=4068 Kristoffer Krogerus explains his discovery of the ''STA1'' promoter gene that explains why some ''STA1'' positive strains do not effectively ferment starches or dextrins, as well as the occurence of this promoter gene within the Beer 2 yeast group and lack of it in wild yeast, new PCR primers for detecting active vs non-active ''STA1'' strains.]
* [https://www.escarpmentlabs.com/single-post/2018/10/16/Demystifying-diastaticus-part-1 Escarpment Labs PCR protocol for testing for ''STA1'', including details on the limitations of PCR testing] and [https://www.escarpmentlabs.com/single-post/2018/10/22/Demystifying-diastaticus-part-2 Part 2, identifying using starch agar plating and LCSM plating.]