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An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters./
作者:	Sabuda, Mary C.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	366 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-03, Section: B.
Contained By:	Dissertations Abstracts International83-03B.
標題:	Biogeochemistry. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28652906
ISBN:	9798538123384

An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters.
Sabuda, Mary C.

An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 366 p.

Source: Dissertations Abstracts International, Volume: 83-03, Section: B.

Thesis (Ph.D.)--University of Minnesota, 2021.

This item must not be sold to any third party vendors.

Selenium (Se) is both a micronutrient required for most life and an element of environmental concern due to its toxicity in high concentrations. Se can be released into the environment through both natural and anthropogenic (human) activity, where it can exist as volatile or organic Se(-II), nanoparticulate Se(0), or aqueous Se(+IV/VI). Coal mining, processing, and burning can release high levels of Se to the environment, as selenium can easily substitute for sulfur, a main component of coal. Se is also useful in the medical field, where it has anticancer properties and Se(0) is an effective coating on medical devices. While most knowledge of biotic Se transformations is related to either anaerobic or aerobic bacterial processes, some common soil Ascomycota fungi can reduce Se under oxic conditions. These microeukaryotes readily transform elevated concentrations of this essential toxin from a bioavailable aqueous phase (Se(IV/VI)) to solid or volatile phases (Se(0/-II)), which is ideal for engineering efficient, cost-effective treatment strategies for Se-contaminated environments. Elucidating the geochemical and genetic mechanisms behind filamentous fungal Se transformation strategies will progress biotechnological applications for biogenic Se nanoparticles, and aid in a more complete understanding of Se biogeochemical cycling.

ISBN: 9798538123384Subjects--Topical Terms:

545717
Biogeochemistry.
Subjects--Index Terms:

Bioremediation

An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters.
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245 1 3 $a An Interdisciplinary Geochemical and Genomics Approach to Understanding Fungal Selenium Transformations for the Bioremediation of Contaminated Waters.
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300 $a 366 p.
500 $a Source: Dissertations Abstracts International, Volume: 83-03, Section: B.
500 $a Includes supplementary digital materials.
500 $a Advisor: Santelli, Cara.
502 $a Thesis (Ph.D.)--University of Minnesota, 2021.
506 $a This item must not be sold to any third party vendors.
520 $a Selenium (Se) is both a micronutrient required for most life and an element of environmental concern due to its toxicity in high concentrations. Se can be released into the environment through both natural and anthropogenic (human) activity, where it can exist as volatile or organic Se(-II), nanoparticulate Se(0), or aqueous Se(+IV/VI). Coal mining, processing, and burning can release high levels of Se to the environment, as selenium can easily substitute for sulfur, a main component of coal. Se is also useful in the medical field, where it has anticancer properties and Se(0) is an effective coating on medical devices. While most knowledge of biotic Se transformations is related to either anaerobic or aerobic bacterial processes, some common soil Ascomycota fungi can reduce Se under oxic conditions. These microeukaryotes readily transform elevated concentrations of this essential toxin from a bioavailable aqueous phase (Se(IV/VI)) to solid or volatile phases (Se(0/-II)), which is ideal for engineering efficient, cost-effective treatment strategies for Se-contaminated environments. Elucidating the geochemical and genetic mechanisms behind filamentous fungal Se transformation strategies will progress biotechnological applications for biogenic Se nanoparticles, and aid in a more complete understanding of Se biogeochemical cycling.
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650 4 $a Geobiology. $3 549918
650 4 $a Geochemistry. $3 539092
650 4 $a Microbiology. $3 536250
650 4 $a Genetics. $3 530508
650 4 $a Water resources management. $3 794747
653 $a Bioremediation
653 $a Fungi
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653 $a Selenium
653 $a Transcriptomics
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