Cumulated number of studies which have used propylene glycol either as a fixative or preservative in the DNA-based analysis of invertebrates. Arranged by the taxonomic groups in focus. In cases where several of the indicated groups were targeted, the study was placed into the category “others”. N = 79, as of 07.10.2020.

  Part of: Weigand AM, Desquiotz N, Weigand H, Szucsich N (2021) Application of propylene glycol in DNA-based studies of invertebrates. Metabarcoding and Metagenomics 5: e57278.