Hollenberg Supplement Mixture (HSM) is used for this selection in the two hybrid system of Field as modified by Hollenberg.
HSM Drop-Out mixtures are added to SD media with succinate as the carbon source.
Hollenburg Supplement Mixture formulations are available in 50 gram pack sizes. If you would like a quotation for a larger pack size, please contact us.
Please enquire about custom made formulations.
Store all Drop-Out mixtures dry at room temperature