APPLICATIONS OF BIOREMEDIATION

by:

Dr. Suhaga Dohare

SOS in Biotechnology

Jiwaji University Gwalior

ENVIRONMENTAL BIOTECHNOLOGY (Paper code 203 A) UNIT II

Application of Bioremediation

Bioremediation of Heavy Metals

Bioremediation of Mercury

Application of Genetically engineered microbes in bioremediation Several genetic approaches have been developed and used to optimize

enzymes, metabolic pathways and organisms that are relevant tobiodegradation.

Different strategies have been developed using recombinant DNAtechnology to produce genetically improved strains for use in thebiosorption process, and many of these strategies "equip" the bacterialcell wall with metal ion-binding polypeptides to act as anchors. One ofthese studies was on the fusion protein: the β-domain of IgA proteaseof N. gonorrhoeae with metallothionein (MT) from rats (Valls et. al.,2000), and lpp-ompA-various sizes of peptides (EC20) (Bae et. al.,2000).

The biosorption of copper by Ganoderma lucidium (Muraleedharan &Venkobachr, 1990) and Aspergillus niger fungi was also taken up by theion exchange mechanism.

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