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Archiv-Übersicht     Angebot Nr. 14762

Angebotsdatum: 21. Dezember 2022
Art der Stelle: Doktorarbeit
Fachgebiet: Biologie > Mikrobiologie
Titel des Themas: Two PhD Student Positions in Environmental Microbiology

Institut: Universität Stuttgart
Herr Sergey Abramov
Bandtäle 2
70569 Stuttgart
Tel.:    Fax.:
Bundesland: Baden-Württemberg
Homepage: http://https://www.iswa.uni-stuttgart.de/EMB/
E-Mail Kontakt: mail

Beschreibung: The Department of Environmental Microbiology at the Institute for Sanitary Engineering, Water Quality and Solid Waste Management (ISWA) at the University of Stuttgart is delighted to announce two open positions for PhD students who will either work on:
“Identification of surfactant impacts on microbial glyphosate degraders in soils and freshwater sediments”
“Identification of surfactant impacts on N- and C-cycling microbial key players in soils and freshwater sediments”

Glyphosate is the most widely applied herbicide on Earth, exhibits potential toxicity, and persists in the environment. Glyphosate is not used as single compound but as mixture, a formulation, with surfactants as the second most abundant ingredient. These surfactants are considered inert, and a critical knowledge gap exists regarding their impacts on microorganisms in the environment. Of particular interest are microbes capable of glyphosate degradation and microbial key players that drive biogeochemical cycles and influence the fate of greenhouse gases.

The PhD projects will identify glyphosate-based surfactant impacts on microorganisms that are capable of degrading glyphosate or on microbial key players that are involved in the N- and C-cycle (i.e., ammonium oxidizers, nitrifiers or heterotrophic C-cyclers). In particular, aerobic and anaerobic cultivation techniques will be used to enrich and isolate the target organisms. Subsequently, cultivation experiments will be established to unravel surfactant
impacts on isolated microbial key players. Microcosm studies will be performed to identify surfactant impacts on complex microbial communities in agricultural soil and freshwater sediment using a suite of biogeochemical and molecular tools (e.g., 16S rRNA gene sequencing, metagenomics, and metatranscriptomics). These interdisciplinary studies will further reveal if surfactants from glyphosate application can have effects on glyphosate persistence in the environment and on greenhouse gas formation. The projects are funded by the European Research Council (ERC).

We are offering two PhD student positions (3-4 years) in an interdisciplinary, international, and dynamic team of environmental microbiologists and microbial ecologists. These positions provide the opportunity for the candidates to be creative and innovative, and to work on a challenging topic that combines various fields within environmental sciences. Ideal candidates should have a solid background in environmental microbiology and molecular ecology. Applicants must have the ability to work independently and in a team, have excellent management and communication skills and should be highly motivated and committed to pursuing interdisciplinary research. Very good computer and language skills (English) are necessary. The candidates will have the opportunity to present their results in international journals and on conferences.

The starting date is June 2023 or as soon as possible thereafter. Employment (TV-L E 13, 75%) will be arranged by the administration of the University of Stuttgart. People with disabilities will be given preferential consideration if they are equally qualified. The University of Stuttgart strives to increase the proportion of women in research and teaching and therefore strongly encourages qualified women to apply.

Applications including CV, motivation letter, an overview about the methods used in the past, and contact information of academic references should be sent by email before January 31st, 2023 to: Prof. Dr. Sara Kleindienst, Department of Environmental Microbiology, Institute for Sanitary Engineering, Water Quality and Solid Waste Management (ISWA) at the University of Stuttgart. E-mail: sara.kleindienst@iswa.uni-stuttgart.de

More information about the Department of Environmental Microbiology can be found on the website: https://www.iswa.uni-stuttgart.de/EMB/
Anfangsdatum: 21. Dezember 2022
Geschätzte Dauer: 3-4 years
Bezahlung: TV-L E 13, 75%