Annika Vaksmaa
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View article: Lignocellulose-mediated selection of halophilic PET-degrading enzymes from mangrove soil
Lignocellulose-mediated selection of halophilic PET-degrading enzymes from mangrove soil Open
Mangroves are ecosystems located in land-sea transition zones, where they are continuously exposed to plant biomass inputs and plastic pollution. Their soils harbor extensive microbial diversity with potential for discovering polymer-degra…
View article: Environmental factors control microbial colonization of plastics in the North Sea
Environmental factors control microbial colonization of plastics in the North Sea Open
Large quantities of plastic enter the oceans each year providing extensive attachment surfaces for marine microbes yet understanding their interactions and colonization of plastic debris remains limited. We investigated microbial colonizat…
View article: Biodegradation of polyethylene by the marine fungus Parengyodontium album
Biodegradation of polyethylene by the marine fungus Parengyodontium album Open
Plastic pollution in the marine realm is a severe environmental problem. Nevertheless, plastic may also serve as a potential carbon and energy source for microbes, yet the contribution of marine microbes, especially marine fungi to plastic…
View article: Differentiation of bacterial communities on five common plastics after six days of exposure to Caribbean coastal waters
Differentiation of bacterial communities on five common plastics after six days of exposure to Caribbean coastal waters Open
Plastic pollution in coastal areas, particularly in subtropical and tropical regions, remains a pervasive environmental issue. Marine plastic debris provides an artificial surface that rapidly accumulates a dynamic microbial biofilm upon e…
View article: Polyethylene degradation and assimilation by the marine yeast <i>Rhodotorula mucilaginosa</i>
Polyethylene degradation and assimilation by the marine yeast <i>Rhodotorula mucilaginosa</i> Open
Ocean plastic pollution is a severe environmental problem but most of the plastic that has been released to the ocean since the 1950s is unaccounted for. Although fungal degradation of marine plastics has been suggested as a potential sink…
View article: Editorial: Women in aquatic microbiology: 2022
Editorial: Women in aquatic microbiology: 2022 Open
EDITORIAL article Front. Microbiol., 19 June 2023Sec. Aquatic Microbiology Volume 14 - 2023 | https://doi.org/10.3389/fmicb.2023.1225575
View article: Role of fungi in bioremediation of emerging pollutants
Role of fungi in bioremediation of emerging pollutants Open
Advancements in chemical, medical, cosmetic, and plastic producing industries have improved agricultural yields, health and human life in general. As a negative consequence, a plethora of chemicals are intentionally and unintentionally rel…
View article: Effect of water management on microbial diversity and composition in an Italian rice field system
Effect of water management on microbial diversity and composition in an Italian rice field system Open
Traditional rice cultivation consumes up to 2500 L of water per kg yield and new strategies such as the ‘Alternate Wetting and Drying’ (AWD) might be promising water-saving alternatives. However, they might have large impacts on the soil m…
View article: The Potential Role of Marine Fungi in Plastic Degradation – A Review
The Potential Role of Marine Fungi in Plastic Degradation – A Review Open
Plastic debris has been accumulating in the marine realm since the start of plastic mass production in the 1950s. Due to the adverse effects on ocean life, the fate of plastics in the marine environment is an increasingly important environ…
View article: Microbial Communities on Plastic Polymers in the Mediterranean Sea
Microbial Communities on Plastic Polymers in the Mediterranean Sea Open
Plastic particles in the ocean are typically covered with microbial biofilms, but it remains unclear whether distinct microbial communities colonize different polymer types. In this study, we analyzed microbial communities forming biofilms…
View article: Methanotrophs: Discoveries, Environmental Relevance, and a Perspective on Current and Future Applications
Methanotrophs: Discoveries, Environmental Relevance, and a Perspective on Current and Future Applications Open
Methane is the final product of the anaerobic decomposition of organic matter. The conversion of organic matter to methane (methanogenesis) as a mechanism for energy conservation is exclusively attributed to the archaeal domain. Methane is…
View article: Differential microbial colonization on microplastic in the Mediterranean Sea coastal zone
Differential microbial colonization on microplastic in the Mediterranean Sea coastal zone Open
<p>Ocean plastic debris poses a large threat to the marine environment. Millions of tons of plastic end up in the ocean each year and the Mediterranean Sea is one of the most plastic polluted sea. Ocean plastic particles are typicall…
View article: Response of the Anaerobic Methanotroph “ <i>Candidatus</i> Methanoperedens nitroreducens” to Oxygen Stress
Response of the Anaerobic Methanotroph “ <i>Candidatus</i> Methanoperedens nitroreducens” to Oxygen Stress Open
“ Candidatus Methanoperedens nitroreducens” is an anaerobic archaeon which couples the reduction of nitrate to the oxidation of methane. This microorganism is present in a wide range of aquatic environments and man-made ecosystems, such as…
View article: Stratification of Diversity and Activity of Methanogenic and Methanotrophic Microorganisms in a Nitrogen-Fertilized Italian Paddy Soil
Stratification of Diversity and Activity of Methanogenic and Methanotrophic Microorganisms in a Nitrogen-Fertilized Italian Paddy Soil Open
Paddy fields are important ecosystems, as rice is the primary food source for about half of the world's population. Paddy fields are impacted by nitrogen fertilization and are a major anthropogenic source of methane. Microbial diversity an…
View article: Enrichment of anaerobic nitrate-dependent methanotrophic ‘Candidatus Methanoperedens nitroreducens’ archaea from an Italian paddy field soil
Enrichment of anaerobic nitrate-dependent methanotrophic ‘Candidatus Methanoperedens nitroreducens’ archaea from an Italian paddy field soil Open
Paddy fields are a significant source of methane and contribute up to 20% of total methane emissions from wetland ecosystems. These inundated, anoxic soils featuring abundant nitrogen compounds and methane are an ideal niche for nitrate-de…
View article: McrA primers for the detection and quantification of the anaerobic archaeal methanotroph ‘Candidatus Methanoperedens nitroreducens’
McrA primers for the detection and quantification of the anaerobic archaeal methanotroph ‘Candidatus Methanoperedens nitroreducens’ Open
The nitrogen and methane cycles are important biogeochemical processes. Recently, 'Candidatus Methanoperedens nitroreducens,' archaea that catalyze nitrate-dependent anaerobic oxidation of methane (AOM), were enriched, and their genomes we…
View article: Nitrate‐ and nitrite‐dependent anaerobic oxidation of methane
Nitrate‐ and nitrite‐dependent anaerobic oxidation of methane Open
Summary Microbial methane oxidation is an important process to reduce the emission of the greenhouse gas methane. Anaerobic microorganisms couple the oxidation of methane to the reduction of sulfate, nitrate and nitrite, and possibly oxidi…
View article: Distribution and activity of the anaerobic methanotrophic community in a nitrogen-fertilized Italian paddy soil
Distribution and activity of the anaerobic methanotrophic community in a nitrogen-fertilized Italian paddy soil Open
In order to mitigate methane emissions from paddy fields, it is important to understand the sources and sinks. Most paddy fields are heavily fertilized with nitrite and nitrate, which can be used as electron acceptors by anaerobic methanot…