ARAF and tetrasomy 12p: Interestingly, the taxonomic PKS group ratio shows that the microorganisms included in suborder Frankineae, Micromonosporineae, Streptosporangineae and Streptosporangineae have relatively high proportion type II PKS containing genomes, whereas microorganisms included in the suborder Actinomycineae,Corynebacterineae, Glycomycineae, Kineosporiineae and Propionibacterineae does not have any type II PKS gene clusters.