Table 1.

Esterase activity profiles for cyanobacteria Syenchocystis sp. PCC6803 (6803), Synechococcous sp. PCC7942 (7942), and Cyanothece sp. PCC7822 (7822) at different incubation time, with 50 mg L⁻¹ DMP (+DMP) or without DMP (−DMP).

Organism	+DMP			−DMP
	0 h	24 h	72 h	72 h
6803	0.06 ± 0.01	0.27 ± 0.03	0.96 ± 0.11	0.09 ± 0.01
7942	0.06 ± 0.01	0.26 ± 0.04	0.87 ± 0.06	0.13 ± 0.02
7822	0.07 ± 0.02	0.35 ± 0.03	1.11 ± 0.09	0.10 ± 0.02