Abstract
Pyridine-2,6-bis(thiocarboxylic acid)Pyridine-2,6-bis(thiocarboxylic acid) (pdtc)(pdtc) is a siderophore produced by Pseudomonas stutzeri KCPseudomonas stutzeri KC that plays a role in conditioning the bacterial environment. It serves as a siderophore in solubilizing ferric iron and other micronutrient metals, and as a thiol-containing compound, it reacts with toxic heavy metals and metalloids, reducing metals like Cr(VI), Se(IV), and Te(IV) and precipitating metals as sulfides (e.g., Hg(II), Cd(II), Pb(II), and As(III)), rendering them insoluble and less toxic. Understanding the mechanism by which bacteria use pdtc to interact with metals may contribute to our understanding of metal cycling in the biosphere, and may have potential for use in bioremediationbioremediation of heavy metals.
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Zawadzka, A.M., Paszczynski, A.J., Crawford, R.L. (2009). Transformations of Toxic Metals and Metalloids by Pseudomonas stutzeri Strain KC and its Siderophore Pyridine-2,6-bis(thiocarboxylic acid). In: Singh, A., Kuhad, R., Ward, O. (eds) Advances in Applied Bioremediation. Soil Biology, vol 17. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-89621-0_12
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