Table 2.

Media.

Media	Abbreviation	Reference	pH	Supplier
E a	E	[60,99]	4.6	Chemicals from Sigma-Aldrich, St. Louis, MO, USA
Hoagland’s a	Hg	[100]	5.8	Cassion Labs, Smithfield, UT, USA
Shenk Hildebrandt a	SH	[101]	5.8	Sigma-Aldrich

^a The chemical composition of each of these media along with the other common medium, Steinberg [102], can be found in Table S1. All media were adjusted for pH with KOH, supplemented with 29 mM sucrose, and autoclaved. All flasks had cotton stoppers with loose aluminum foil covers unless stated otherwise.