Zobrazeno 1 - 10
of 95
pro vyhledávání: '"hgcAB"'
Autor:
Léa Cabrol, Eric Capo, Daan M. van Vliet, F. A. Bastiaan von Meijenfeldt, Stefan Bertilsson, Laura Villanueva, Irene Sánchez-Andrea, Erik Björn, Andrea G. Bravo, Lars-Eric Heimburger Boavida
Publikováno v:
mSystems, Vol 8, Iss 4 (2023)
ABSTRACT In the global context of seawater deoxygenation triggered by climate change and anthropogenic activities, changes in redox gradients impacting biogeochemical transformations of pollutants, such as mercury, become more likely. Being the large
Externí odkaz:
https://doaj.org/article/b84b2e5717804abcadbadc7b38964570
Publikováno v:
Frontiers in Microbiology, Vol 13 (2022)
Soil microorganisms are key transformers of mercury (Hg), a toxic and widespread pollutant. It remains uncertain, however, how long-term exposure to Hg affects crucial microbial functions, such as litter decomposition and nitrogen cycling. Here, we u
Externí odkaz:
https://doaj.org/article/ee4fdc68cf4044538668e892b1a54c5d
Publikováno v:
Microbiology Spectrum, Vol 9, Iss 2 (2021)
ABSTRACT Highly neurotoxic methylmercury (MeHg) accumulates in marine organisms, thereby negatively affecting human and environmental health. Recent studies have revealed that oceanic prokaryotes harboring the hgcAB gene pair are involved in Hg methy
Externí odkaz:
https://doaj.org/article/dd9c6b490c4e49bb8b91ddfbc17cce38
Autor:
Andrea Gallorini, Jean-Luc Loizeau
Publikováno v:
Journal of Limnology, Iss AOP (2021)
Mercury methylation in aquatic environments is a key process that incorporates this neurotoxin into the food chain and ultimately the human diet. Mercury methylation is considered to be essentially biotic and mainly driven by sulfate-reducing bacteri
Externí odkaz:
https://doaj.org/article/69b91dd3ace04ba093ef1cc90b8daeaa
Autor:
Caitlin M. Gionfriddo, Ann M. Wymore, Daniel S. Jones, Regina L. Wilpiszeski, Mackenzie M. Lynes, Geoff A. Christensen, Ally Soren, Cynthia C. Gilmour, Mircea Podar, Dwayne A. Elias
Publikováno v:
Frontiers in Microbiology, Vol 11 (2020)
The gene pair hgcAB is essential for microbial mercury methylation. Our understanding of its abundance and diversity in nature is rapidly evolving. In this study we developed a new broad-range primer set for hgcAB, plus an expanded hgcAB reference li
Externí odkaz:
https://doaj.org/article/3281662b78614fb59d9d8700c04ef079
Autor:
Eric Capo, Andrea G. Bravo, Anne L. Soerensen, Stefan Bertilsson, Jarone Pinhassi, Caiyan Feng, Anders F. Andersson, Moritz Buck, Erik Björn
Publikováno v:
Frontiers in Microbiology, Vol 11 (2020)
Methylmercury (MeHg), a neurotoxic compound biomagnifying in aquatic food webs, can be a threat to human health via fish consumption. However, the composition and distribution of the microbial communities mediating the methylation of mercury (Hg) to
Externí odkaz:
https://doaj.org/article/9884e5b8cee647e49c80b9e4afe9c863
Publikováno v:
Frontiers in Microbiology, Vol 11 (2020)
In natural environments, the production of neurotoxic and bioaccumulative methylmercury (MeHg) is mediated by microorganisms carrying the genes hgcA and hgcB. However, the contribution of these microorganisms to mercury (Hg) methylation or MeHg accum
Externí odkaz:
https://doaj.org/article/91a92850a82443648b7bc2712f5c9ea2
Autor:
Avnee R. Paranjape, Britt D. Hall
Publikováno v:
FACETS, Vol 2, Pp 85-119 (2017)
With increasing input of neurotoxic mercury to environments as a result of anthropogenic activity, it has become imperative to examine how mercury may enter biotic systems through its methylation to bioavailable forms in aquatic environments. Recent
Externí odkaz:
https://doaj.org/article/55e3a5b444264d378b6bb373b6c3088d
Autor:
Leclerc, Maxime
Les biofilms périphytiques, ou périphyton, sont des assemblages de microorganismes colonisant les surfaces d’une variété de substrats de la zone photique des habitats aquatiques. Retrouvés à la base des réseaux trophiques, ils présentent un
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