TABLE 1.

Various important examples of genetically engineered microalgae for bioremediation purposes.

Species	Tools used	Gene target(s)	Target pollutant	Reference
Synechococcus elongatus	Plasmid Conjugation	CPA1/2/3	Various Salts	Cui et al. (2020)
Synechococcus elongatus	Plasmid Transformation	katmr	Malachite green dye	Han et al. (2020)
Chlorella vulgaris	Plasmid Transformation	rbcS, aldolase	CO2	Yang et al. (2017)
Chlamydomonas reinhardtii	Biolistic Transformation/Agrobacterium transformation	CrMTP4/AtHMA4	Heavy metals (Cd, Mn/Cd, Zn)	Ibuot et al. (2017), Ibuot et al. (2020)
Chlamydomonas reinhardtii	Agrobacterium transformation	GST	Pesticides	Ismaiel et al. (2019)
Chlamydomonas reinhardtii	Plasmid electroporation	LCI1	Inorganic carbon	Ohnishi et al. (2010)
Chlamydomonas reinhardtii	Plasmid electroporation	IsPETase	PET Plastic	Kim et al. (2020)
Chlamydomonas reinhardtii	Agrobacterium transformation	CYN	Cyanide	Sobieh et al. (2022)
Phaeodactylum tricornutum	Biolistic Transformation	IsPETase	PET Plastic	Moog et al. (2019)
Anabaena sp	Plasmid electroporation	linA2	Lindane pesticide	Chaurasia et al. (2013)