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* [http://beer.suregork.com/?p=4068 Kristopffer Krogarus 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.]
* [http://suigenerisbrewing.com/index.php/2017/11/22/contamination-detection-1/ Sui Generis Brewing blog articles on using practical methods of PCR to identify diastaticus and other contamination for small breweries.]