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oapen-20.500.12657-549012022-06-01T03:01:57Z Studio di ceppi batterici per il biorisanamento di suoli contaminati da Cr(VI) Decorosi, Francesca bic Book Industry Communication::M Medicine::MZ Veterinary medicine bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science 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). 2022-05-31T10:16:18Z 2022-05-31T10:16:18Z 2010 book ONIX_20220531_9788884539366_185 2612-8020 9788884539366 9788884539854 9788892736924 https://library.oapen.org/handle/20.500.12657/54901 ita Premio Tesi di Dottorato application/pdf n/a 9788884539366.pdf https://books.fupress.com/isbn/9788884539366 Firenze University Press 10.36253/978-88-8453-936-6 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). 10.36253/978-88-8453-936-6 bf65d21a-78e5-4ba2-983a-dbfa90962870 9788884539366 9788884539854 9788892736924 16 140 Firenze open access
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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).
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