Table 2.

Comparison of the alkalinization effect of various elicitors on the potato and Arabidopsis suspension cells.

Elicitor		Elicitor concentration	ΔpH§
			Potato suspension cells	Arabidopsis suspension cells
PAMPs	Flg22	1 μM	0.05 ± 0.028	0.29 ± 0.029∗∗∗
		8 μM	0.08 ± 0.039∗	0.53 ± 0.031∗∗∗
	Elf26	1 μM	0.08 ± 0.050	0.33 ± 0.240∗∗∗
		8 μM	0.15 ± 0.046∗	0.64 ± 0.033∗∗∗
	Chitin 6-mer	8 μM	0.51 ± 0.042∗∗∗	0.71 ± 0.283∗∗∗
DAMPs	OGA	10 μg/mL	0.12 ± 0.045∗∗	0.17 ± 0.039∗
	ATP	500 μM	0.21 ± 0.048∗	0.41 ± 0.032∗∗∗
	AtPep1	1 μM	0.08 ± 0.048	0.76 ± 0.256∗∗∗
	Potato systemin	0.25 μM	0.84 ± 0.044∗∗∗	0.12 ± 0.047∗

^§The alkalinization was recorded in 5 min after ATP addition, in 60 min after OGA addition and in 15 min for all other elicitors.

^∗P < 0.05; ^∗∗0.001 < P < 0.01; ^∗∗∗P < 0.001 compared to the corresponding values of each control treatment.