Heavy metal detoxification in eukaryotic microalgae.
Microalgae are aquatic organisms possessing molecular mechanisms that allow them to discriminate non-essential heavy metals from those essential ones for their growth. The different detoxification processes executed by algae are reviewed with special emphasis on those involving the peptides metallothioneins, mainly the post transcriptionally synthesized class III metallothioneins or phytochelatins. Also, the features that make microalgae suitable organisms technologies specially to treat water that is heavily polluted with metals is discussed.
Perales-Vela
Hugo Virgilio
HV
Laboratorio de Biotecnología de Microalgas, Departamento de Biotecnología y Bioingeniería, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Ave. IPN 2508, San Pedro Zacatenco, CP 07360 México DF, Mexico.
Peña-Castro
Julián Mario
JM
Cañizares-Villanueva
Rosa Olivia
RO
D001673:Biodegradation, Environmental; D056890:Eukaryota / Q000378:metabolism*; D005978:Glutathione / Q000378:metabolism; D008668:Metallothionein / Q000378:metabolism; D019216:Metals, Heavy / Q000302:isolation & purification* / Q000378:metabolism; D054811:Phytochelatins; D014874:Water Pollutants, Chemical / Q000302:isolation & purification* / Q000378:metabolism; D018508:Water Purification / Q000379:methods*
D019216:Metals, Heavy; D014874:Water Pollutants, Chemical; D008668:Metallothionein; D054811:Phytochelatins; D005978:Glutathione