Abstract
The effect of pH and standard reduction potential (E°) is discussed in terms of the kinetics and mechanisms for the bio-methylation of a number of toxic metals. In the aerobic environment, conditions have been delineated to explain the methylation of HgII, PbIV and SeVI compounds.
The methylation and mobilization of mercury is especially important in lakes which are susceptible to acid precipitation. The accumulation of methylmercury in fish taken from acid-sensitive oligotrophic lakes is rationalized in terms of the chemistry and biochemistry of mercury compounds.
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References
B. Gosio, An unusual gas formed from arsenical wallpaper, Arch. Ital. Biol. 35: 201 (1901).
F. Challenger, C. Higginbottom, L.J. Ellis, The synthesis of trimethylarsine by the bread mold Scopulariopsis brevicaulis, J. Chem. Soc., p. 95 (1933).
F. Challenger, Biological methylation of arsenic and selenium salts, Chem. Reviews 36: 326.
F. Challenger, Biosynthesis of organometallic and organometalloidal compounds, Organometals and Organometalloids, Occurrence and Fate in the Environment, ACS Symposium Series 82, eds., F.E. Brinckman and J.M. Bellama, p. 1–23 (1978).
A. Jernelöv, Heavy Metals, Metalloids and Synthetic Organics, The Sea, ed., E. Goldberg, Wiley Interscience, N.Y. 5:799 (1974).
J.M. Wood, F.S. Kennedy and C.G. Rosen, Methylmercury synthesis by extracts of a methanogenic bacterium, Nature (London) 220: 173 (1968).
J.M. Wood and Y.-T. Fanchiang, Mechanisms for B12-dependent methylation, Third European Symposium on Vitamin B12 and Intrinsic Factor, ed., B. Zagalak, Zurich, Switzerland (1979)(in press).
R.E. DeSimone, M.W. Penley, L. Charbonneau, S.G. Smith, J.M. Wood, H.A.O. Hill, J.M. Pratt, S. Ridsdale and R.J.P. Williams, The kinetics and mechanism of methyl and ethyl transfer to mercuric ion, Biochim. Biophys. Acta 304: 851 (1973).
J.M. Wood, Y.-T. Fanchiang and W.P. Ridley, The biochemistry of toxic elements, Quarterly Reviews of Biophysics 9:2000 (1979)(in press).
G. Agnes, H.A.O. Hill, J.M. Ridsdale, F.S. Kennedy and R.J.P. Williams, B12-dependent methyl-transfer to metals, Biochim. Biophys. Acta 252: 207 (1971).
W.H. Scovell, The mechanism for B12-dependent methyl-transfer to palladium, J. Am. Chem. Soc. 96: 3541 (1974).
Y.-T. Fanchiang, W.P. Ridley and J.M. Wood, Kinetic and mechanistic studies on B12-dependent methyl-transfer to certain toxic metal ions, Organometals and Organometalloids, ACS Symposium Series 82, eds., F.E. Brinckman and J.M. Bellama, p. 54–64 (1978).
L.J. Dizikes, W.P. Ridley and J.M. Wood, A mechanism for the biomethylation of tin by reductive Co-C bond cleavage in alkylcobalamins, J. Am. Chem. Soc. 100: 1010 (1978).
R.L. Rich and H. Taube, Aqueous ion chemistry of gold salts, J. Phys. Chem. 58: 1, 6 (1954).
J.M. Wood, A. Cheh, L.J. Dizikes, W.P. Ridley, S. Rakow and J.R. Lakowicz, Biomethylation of toxic elements, Fed. Proc. 37:No. 1, 16 (1978)
P.J. Craig, Metals and biological methylation, Handbook of Environmental Chemistry, ed., O. Hutzinger, Springer-Verlag, Heidelberg (1979)(in press).
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© 1980 Plenum Press, New York
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Wood, J.M. (1980). The Role of pH and Oxidation-Reduction Potentials in the Mobilization of Heavy Metals. In: Toribara, T.Y., Miller, M.W., Morrow, P.E. (eds) Polluted Rain. Environmental Science Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3060-8_11
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DOI: https://doi.org/10.1007/978-1-4613-3060-8_11
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