Proposed
title: Restoration of Metal(loid)-Contaminated
Soil Chapter
no.: ________
Author(s): Munira Lantz (MS) and Timberley Roane
(PhD)
Department of Integrative Biology
Campus Box 171, P.O. Box 173364
University of Colorado Denver
Denver, CO 80217-3364
Phone: (303) 556-6592
Fax:
E-mail: Timberley.Roane@ucdenver.edu
Notes:
· Included in
other chapters?
· Metal toxicity;
mechanisms of metal resistance
· Make a
distinction between metal and metalloid
Proposed
topics:
1) Prevalence of metal resistance in naturally occurring
populations
2) Challenges associated with metals in
soils: soil texture, pH, organic matter,
metal characteristics, solubility, bioavailability, etc.
3) Total vs. bioavailable concentrations
4) Transport of metals in soils and challenges
associated with remediation, e.g., depth of contamination, tightly bound
metals, volume of contaminated material, since cannot remove always a potential
source, etc.
5) General abiotic approaches to metal soil
remediation, e.g., chemical washing, pH, complexation (?), capping
6) Why microorganisms show potential for metal
soil remediation (look at all classes of microorganisms)
7) How microorganisms have been used in metal
remediation from soils, e.g., Frankenberger’s Se story, and others? Case studies.
Wetland approaches? Manure addition.
8) New technologies on the horizon?
9) Potential for use of microorganisms in soils,
e.g., gene/organism bioaugmentation; microbial products used for, such as
biosurfactants, etc.
10) Effects of metal contamination on naturally
occurring microbial communities, e.g., increase or decrease or change
diversity; effects on metabolic potential, etc.
11) Phytoremediation: microbially based, e.g., arbuscular
mycorrhizae
12) Natural attenuation
13) New frontier:
“-omics” approaches to studying metal-associated communities, and what
information “-omics” reveals
Chapter
Highlights
The following concepts will be
conveyed in this chapter:
1.
2.
3.
