Environmental Sciences Europe

Table 2 Antioxidant enzymes biomarkers in M. aeruginosa exposed to different paraquat concentrations

From: Multiple physiological response analyses aid the understanding of sensitivity variation between Microcystis aeruginosa and Chlorella sp. under paraquat exposures

	Paraquat (mg L⁻¹)
	0.00	0.00	0.01	0.02	0.05	0.10	0.20	0.50	1.00
MDA (U mg⁻¹ protein)	1.34 ± 0.07	1.27 ± 0.03	1.39 ± 0.07	1.24 ± 0.03	1.29 ± 0.07	1.37 ± 0.02	1.41 ± 0.23	1.50 ± 0.27	1.72 ± 0.00
CAT (U mg⁻¹ protein)	20.58 ± 1.37	22.72 ± 1.13	25.59 ± 0.36	24.07 ± 0.544	29.61 ± 1.17	37.86 ± 3.55**	200.31 ± 40.34**	242.21 ± 3.55**	260.20 ± 27.02**
SOD (U mg⁻¹ protein)	49.04 ± 5.31	56.29 ± 3.60	65.07 ± 1.00	59.57 ± 2.64	71.73 ± 3.85	88.80 ± 4.68*	208.41 ± 38.59**	406.55 ± 7.30**	436.80 ± 63.22**

Average values ± SE (n = 3). *p < 0.05

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