. 2022 Sep 22;3:100166. doi: 10.1016/j.crmicr.2022.100166

Table 2.

Various living organisms involved in HMs bioremediation.

The living organism involved in Bioremediation	Living organism	HMs removed	Operating conditions for HMs removal	References
Bacillus sp. ATS-1	Bacteria	Cu²⁺	HM was removed at pH 5, temperature 25℃, and total metal adsorption 16.3 mg/g.	(Kanmani et al., 2012)
Zoogloea ramigera	Bacteria	Cu²⁺	HM was removed at pH 4, temperature 45℃, and total metal adsorption 52.3 mg/g.	(Dourado et al., 2013)
Exiguobacterium sp. ZM-2	Bacteria	Cr⁶⁺	Anaerobic conditions required for Cr⁶⁺removal	(Rajesh et al., 2014)
Nesterenkonia sp. MF2	Bacteria	Cr⁶⁺	Aerobic conditions required for Cr⁶⁺removal	(Oyewole et al., 2019)
Burkholderia sp. strain	Bacteria	Cd²⁺	HM was removed at temperatures 30℃ and 200 rpm and total metal adsorption was 53.70 mg/kg	(Prajapati et al., 2012)
Alcaligenes sp. MMA	Bacteria	Cu²⁺, Cd²⁺, Cr⁶⁺, Ni^2+, and Zn²⁺	At temperature 28℃ and pH 7, 88.45% Cu²⁺, 53.04% Cd²⁺, 48,93% Cu²⁺, Cd²⁺, Cr⁶⁺, Ni^2+, and Zn²⁺at 20 mg/L of concentration.	(Sodhi et al., 2020)
Bacillus sp. strain	Bacteria	Cd²⁺	HM was removed at temperatures 30℃ and 200 rpm and with total metal removal of 90.14%	(Miretzky et al., 2004)
Penicillium notatum	Fungi	Cd²⁺	77.67% biosorption in 28 days at temperature 28℃ and pH 7	(Mishra et al., 2008)
Aspergillus niger	Fungi	Ni²⁺	81.07% biosorption in 28 days at temperature 28℃ and pH 7	(Oyewole et al., 2019)
Pistia stratiotes	Plant root and leaves	Cr⁶⁺	100% Cr⁶⁺ removal in 72 h at an initial concentration of 5 mg/L	(Koul and Taak, 2018)
Pistia stratiotes	Plant root and leaves	Cr⁶⁺	97.3%, 72.2%, and 73.5% Cr⁶⁺removed at 1,2, and 4 mg/L of initial metal solution in 190 h.	(Shrestha et al., 2021)
Eichhornia crassipes	Plant root and leaves	Cr⁶⁺	84% removal of Cr⁶⁺ achieved in 11 days	(Sodhi et al., 2021)