Table 2: Examples of heavy metals bioprocesses performed by thermophiles.

Heavy Metals	Microrganisms	Bio Processes	References
CuFeS2	Leptospirillum ferriphilum Acidithiobacillus caldus	Bioleaching	Zhou H.B. et al, 2009 [94]
Fe(II)	Sulfobacillus sp.	Bioleaching	Hawkes R. et al, 2006 [92]
As(III), As(V)	Thermus thermophilus	Biosensing	Politi J. et al, 2015 [77]
Ni(II), Zn(II), Co(II), Hg(II), Mn(II), Cr(VI), Cu(II) and Fe(III)	Anoxybacillus amylolyticus	Biosensing	Poli et al, 2008 [57]
Cd(II)	Tetrahymena thermophila	Biosensing	Amaro F. et al, 2011 [61]
Cd(II), Cu(II), Ni(II), Mn(II), Zn(II)	Geobacillus toebii subsp. decanicus Geobacillus thermoleovorans subsp. stromboliensis	Biosorption	Özdemir, S. et al, 2012 [86]
Cd(II)	Geobacillus stearothermophilus Geobacillus thermocatenulatus	Biosorption	Hetzer, A. et al, 2006 [87]
Fe(III), Cr(III), Cd(II), Pb(II), Cu(II), Co(II), Zn(II), Ag(I)	Geobacillus thermodenitrificans	Biosorption	Chattereji S.K. et al, 2010 [88]