Table 1. Metals MIC (mM) distribution for several Thermococcale species.

Metals	T. gammatolerans §	T. gammatolerans †	T. litoralis#	T. stetteri#	T. celer#
Cd	2	3	1	1	1
Co	2	2	1	0.8	0.8
Zn	2	3	5	0.5	2
Ni	0.5	0.75	1.5	5	5
Cu	0.5	0.75	nd	nd	nd
AsO4	0.25	0.25	nd	nd	nd

Values are the means of three independent experiments, with a standard deviation of 10%.

^§MICs values of T. gammatolerans in the ASW-AA-Cyst medium (see Materials and Methods).

^†MICs values of T. gammatolerans in the Llanos’ medium described in [19].

# MICs values of other Thermococcales previously published in [19].