Listar Biología por autor "02c427b2-d498-4398-b249-db42459a43fc"

Mostrando ítems 1-20 de 22

    • A New Parasitic Chytrid, Staurastromyces oculus (Rhizophydiales, Staurastromycetaceae fam. nov.), Infecting the Freshwater Desmid Staurastrum sp. 

      Wyngaert, Silke Van den; Seto, Kensuke; Rojas Jiménez, Keilor Osvaldo; Kagami, Maiko; Grossart, Hans-Peter (2017-08)
      Chytrids are a diverse group of ubiquitous true zoosporic fungi. The recent molecular discovery of a large diversity of undescribed chytrids has raised awareness on their important, but so far understudied ecological role ...

    • A preliminary report of aquatic hyphomycetes isolated from Anzali lagoon (Gilan province, North of Iran) 

      Rezakhani, Forough; Khodaparast, Seyed Akbar; Masigol, Hossein; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter; Bakhshi, Mounes (2019)
      Aquatic hyphomycetes equipped with a rich array of extracellular enzymes are involved in bioremediation of anthropogenic pollutants, plastics, aromatic contaminants and petroleum hydrocarbons. The current study contributes ...

    • A Salinity Threshold Separating Fungal Communities in the Baltic Sea 

      Rojas Jiménez, Keilor Osvaldo; Rieck, Angelika; Wurzbacher, Christian; Jürgens, Klaus; Labrenz, Matthias; Grossart, Hans-Peter (2019)
      Salinity is a significant factor for structuring microbial communities, but little is known for aquatic fungi, particularly in the pelagic zone of brackish ecosystems. In this study, we explored the diversity and composition ...

    • Aquatic fungi: targeting the forgotten in microbial ecology 

      Grossart, Hans-Peter; Rojas Jiménez, Keilor Osvaldo (2016-06)
      Fungi constitute important and conspicuous components of aquatic microbial communities, but their diversity and functional roles remain poorly characterized. New methods and conceptual frameworks are required to accurately ...

    • Collateral effects of microplastic pollution on aquatic microorganisms: An ecological perspective 

      Arias Andrés, María de Jesús; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter (2018-12-05)
      Microplastics (MP) provide a unique and extensive surface for microbial colonization in aquatic ecosystems. The formation of microorganism-microplastic complexes, such as biofilms, maximizes the degradation of organic ...

    • Diversity and hidden host specificity of chytrids infecting colonial volvocacean algae 

      Wyngaert, Silke Van den; Rojas Jiménez, Keilor Osvaldo; Seto, Kensuke; Kagami, Maiko; Grossart, Hans-Peter (2018-05)
      Chytrids are zoosporic fungi that play an important, but yet understudied, ecological role in aquatic ecosystems. Many chytrid species have been morphologically described as parasites on phytoplankton. However, the majority ...

    • Early diverging lineages within Cryptomycota and Chytridiomycota dominate the fungal communities in ice-covered lakes of the McMurdo Dry Valleys, Antarctica 

      Rojas Jiménez, Keilor Osvaldo; Wurzbacher, Christian; Bourne, Elizabeth Charlotte; Chiuchiolo, Amy; Priscu, John C.; Grossart, Hans-Peter (2017-11)
      Antarctic ice-covered lakes are exceptional sites for studying the ecology of aquatic fungi under conditions of minimal human disturbance. In this study, we explored the diversity and community composition of fungi in five ...

    • Fungi in aquatic ecosystems 

      Grossart, Hans-Peter; Wyngaert, Silke Van den; Kagami, Maiko; Wurzbacher, Christian; Cunliffe, Michael; Rojas Jiménez, Keilor Osvaldo (2019-03)
      Fungi are phylogenetically and functionally diverse ubiquitous components of almost all ecosystems on Earth, including aquatic environments stretching from high montane lakes down to the deep ocean. Aquatic ecosystems, ...

    • Fungi increases kelp (Ecklonia radiata) remineralisation and dissolved organic carbon, alkalinity, and dimethylsulfoniopropionate (DMSP) production 

      Perkins, Anita K.; Rose, Andrew L.; Grossart, Hans-Peter; Schulz, Kai G.; Neubauer, Darshan; Tonge, Matthew P.; Rosentreter, Judith A.; Eyre, Bradley D.; Rojas Jiménez, Keilor Osvaldo; Deschaseaux, Elisabeth; Oakes, Joanne M. (2023-09)
      Fungi are key players in terrestrial organic matter (OM) degradation, but little is known about their role in marine environments. Here we compared the degradation of kelp (Ecklonia radiata) in mesocosms with and without ...

    • Highly diverse fungal communities in carbon-rich aquifers of two contrasting lakes in Northeast Germany 

      Perkins, Anita K.; Ganzert, Lars; Rojas Jiménez, Keilor Osvaldo; Fonvielle, Jeremy; Hose, Grant C.; Grossart, Hans-Peter (2019-10)
      Fungi are an important component of microbial communities and are well known for their ability to decompose refractory, highly polymeric organic matter. In soils and aquatic systems, fungi play an important role in carbon ...

    • Inland Water Fungi in the Anthropocene: Current and Future Perspectives 

      Grossart, Hans-Peter; Hassan, Elhagag Ahmed; Masigol, Hossein; Arias Andrés, María de Jesús; Rojas Jiménez, Keilor Osvaldo (2022-06)
      Fungi are increasingly gaining interest from aquatic microbial ecologists. The application of new molecular tools has revealed that they are a ubiquitous and highly diverse organismic group in aquatic environments with ...

    • Integrating chytrid fungal parasites into plankton ecology: research gaps and needs 

      Frenken, Thijs; Alacid, Elisabet; Berger, Stella A.; Bourne, Elizabeth Charlotte; Gerphagnon, Mélanie; Grossart, Hans-Peter; Gsell, Alena S.; Ibelings, Bas W.; Kagami, Maiko; Küpper, Frithjof C.; Letcher, Peter M.; Loyau, Adeline; Miki, Takeshi; Nejstgaard, Jens C.; Rasconi, Serena; Reñé, Albert; Rohrlack, Thomas; Rojas Jiménez, Keilor Osvaldo; Schmeller, Dirk S.; Scholz, Bettina; Seto, Kensuke; Sime Ngando, Télesphore; Sukenik, Assaf; Van de Waal, Dedmer B.; Van den Wyngaert, Silke; Van Donk, Ellen; Wolinska, Justyna; Wurzbacher, Christian; Agha, Ramsy (2017-06-15)
      Chytridiomycota, often referred to as chytrids, can be virulent parasites with the potential to inflict mass mortalities on hosts, causing e.g. changes in phytoplankton size distributions and succession, and the delay or ...

    • Microplastic pollution increases gene exchange in aquatic ecosystems 

      Arias Andrés, María de Jesús; Klümper, Uli; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter (2018-06)
      Pollution by microplastics in aquatic ecosystems is accumulating at an unprecedented scale, emerging as a new surface for biofilm formation and gene exchange. In this study, we determined the permissiveness of aquatic ...

    • Microplastics alter composition of fungal communities in aquatic ecosystems 

      Kettner, Marie Therese; Rojas Jiménez, Keilor Osvaldo; Oberbeckmann, Sonja; Labrenz, Matthias; Grossart, Hans-Peter (2017)
      Despite increasing concerns about microplastic (MP) pollution in aquatic ecosystems, there is insufficient knowledge on how MP affect fungal communities. In this study, we explored the diversity and community composition ...

    • Notes on Dictyuchus species (Stramenopila, Oomycetes) from Anzali lagoon, Iran 

      Masigol, Hossein; Khodaparast, Seyed Akbar; Mostowfizadeh Ghalamfarsa, Reza; Mousanejad, Sedigheh; Rojas Jiménez, Keilor Osvaldo; Grossart, Hans-Peter (2018)
      Nine Dictyuchus isolates were obtained from floating and decaying twigs and leaves in Anzali lagoon, Anzali County, Guilan province, Iran. They are interestingly distinguished from current Dictyuchus species by the presence ...

    • Oxic and Anoxic Organic Polymer Degradation Potential of Endophytic Fungi From the Marine Macroalga, Ecklonia radiata 

      Perkins, Anita K.; Rose, Andrew L.; Grossart, Hans-Peter; Rojas Jiménez, Keilor Osvaldo; Barroso Prescott, Selva K.; Oakes, Joanne M. (2021-10-18)
      Cellulose and chitin are the most abundant polymeric, organic carbon source globally. Thus, microbes degrading these polymers significantly influence global carbon cycling and greenhouse gas production. Fungi are recognized ...

    • Phylogenetic and Functional Diversity of Saprolegniales and Fungi Isolated from Temperate Lakes in Northeast Germany 

      Masigol, Hossein; Woodhouse, Jason Nicholas; van West, Pieter; Mostowfizadeh Ghalamfarsa, Reza; Rojas Jiménez, Keilor Osvaldo; Goldhammer, Tobias; Khodaparast, Seyed Akbar; Grossart, Hans-Peter (2021-11-13)
      The contribution of fungi to the degradation of plant litter and transformation of dissolved organic matter (humic substances, in particular) in freshwater ecosystems has received increasing attention recently. However, ...

    • Pilze in aquatischen Ökosystemen 

      Grossart, Hans-Peter; Wyngaert, Silke Van den; Kagami, Maiko; Wurzbacher, Christian; Cunliffe, Michael; Rojas Jiménez, Keilor Osvaldo (2020-06)
      Pilze sind phylogenetisch und funktionell vielfältige, allgegenwärtige Bestandteile fast aller Ökosysteme der Erde, einschließlich aquatischer Ökosysteme, die sich von hochmontanen Seen bis in den tiefen Ozean erstrecken. ...

    • Seasonality of parasitic and saprotrophic zoosporic fungi: linking sequence data to ecological traits 

      Van den Wyngaert, Silke; Ganzert, Lars; Seto, Kensuke; Rojas Jiménez, Keilor Osvaldo; Agha, Ramsy; Berger, Stella A.; Woodhouse, Jason Nicholas; Padisak, Judit; Wurzbacher, Christian; Kagami, Maiko; Grossart, Hans-Peter (2022-06-28)
      Zoosporic fungi of the phylum Chytridiomycota (chytrids) regularly dominate pelagic fungal communities in freshwater and marine environments. Their lifestyles range from obligate parasites to saprophytes. Yet, linking the ...

    • Taxonomical and functional diversity of Saprolegniales in Anzali lagoon, Iran 

      Masigol, Hossein; Khodaparast, Seyed Akbar; Mostowfizadeh Ghalamfarsa, Reza; Rojas Jiménez, Keilor Osvaldo; Woodhouse, Jason Nicholas; Neubauer, Darshan; Grossart, Hans-Peter (2020)
      Studies on the diversity, distribution and ecological role of Saprolegniales (Oomycota) in freshwater ecosystems are currently receiving attention due to a greater understanding of their role in carbon cycling in various ...