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Exploring microbial mercury methylation in Antarctica
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Mason, Jessica Lyn. Exploring microbial mercury methylation in Antarctica. Retrieved from https://doi.org/doi:10.7282/t3-8pqd-fa35

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TitleExploring microbial mercury methylation in Antarctica
NameMason, Jessica Lyn (author); Reinfelder, John (chair); Reinfelder, John R (member); Zylstra, Gerben (member); Schaefer, Jeffra K (member); Rutgers University; School of Graduate Studies
Date Created2022
Other Date2022-01 (degree)
SubjectMicrobiology, Environmental science, Antarctica, Krill, Mercury methylation, Microbiology, Microbiome, Sea ice
Extent90 pages : illustrations
DescriptionMethylmercury (MeHg) is a toxin that biomagnifies in marine food webs and can have detrimental effects in birds, fish, and mammals. The production of MeHg in the environment is catalyzed by various anaerobic microorganisms that possess the genes hgcA and hgcB. The source of MeHg is unclear in the coastal waters of the West Antarctic Peninsula (WAP), which plays an important role in the cycling of nutrients and contaminants while supporting a productive marine food web. Antarctic krill, Euphausia superba, are a critical food source for many organisms within the WAP marine ecosystem and as such may transfer MeHg to higher trophic levels. Through the analysis of genomic DNA from microorganisms living within both the krill digestive tract and sea ice, community profiles were constructed and potential methylators from varying classes were identified, including a known mercury methylator, Desulfovibrio dechloracetivorans.
NoteM.S.
NoteIncludes bibliographical references
Genretheses
Persistent URLhttps://doi.org/doi:10.7282/t3-8pqd-fa35
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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