Studio di ceppi batterici per il biorisanamento di suoli contaminati da Cr(VI)

Author: Decorosi, Francesca
Published: Firenze : Firenze University Press, 2010.
Physical Description: 1 electronic resource (140 pages).

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Series

Premio Tesi di dottorato ; 16.

Language Note

Italian

Restrictions on Access

Open Access Unrestricted online access

Summary

Chromium, in its hexavalent form [Cr(VI)], is a dangerous environmental pollutant. Bioremediation, which exploits the capacity of microorganisms to reduce Cr(VI) to Cr(III), is an interesting alternative to chemical-physical technologies for the rehabilitation of soil contaminated by Cr(VI). This study has made it possible to obtain a profound phenotypical characterisation of a number of bacterial strains capable of reducing and resisting Cr(VI), making it possible to identify various candidates that could potentially be employed in bioremediation. Moreover, a new gene involved in resistance to Cr(VI) has also been identified, the primary function of which consists in the induction of the cellular response to sulphur starvation. The study of this gene has highlighted that the sulphur content of the soils is one of the parameters that can influence the bioremediation of soils contaminated with Cr(VI).

Subject(s)

ISBN

9788884539366
9788884539854
9788892736924

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OAPEN Library.

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Creative Commons https://creativecommons.org/licenses/by-nd/3.0/

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