Dr. Julius Degenhardt

Postdoc

Contact

Julius Degenhardt

Institute for Chemistry and Biology of the Marine Environment  (» Postal address)

W15-1-122 (» Adress and map)

+49 441 798-5376  (F&P

Dr. Julius Degenhardt

Research interests

I investigate the role of microbial communities in marine sediments in the degradation recalcitrant dissolved organic matter (DOM) and anaerobic processes like metal- and sulfate reduction. 

Therefore I study environments like coastal aquifers or deep mud flat sediments.

Academic vita

Positions

 
Since April 2024 PostDoc (ICBM OLDENBURG

2023-2024

PostDoc (DSMZ, BRAUNSCHWEIG) 

Project

MediCow – Individualized mastitis risk assessment in dairy farming using sensors, digitalization and artificial intelligence

2022-2023

PostDoc (DSMZ, BRAUNSCHWEIG) 

Project

Plastic degradation in limnic environments (PlasDegLim)

2017-2021

PhD (ICBM OLDENBURG)

Thesis

„The impact of groundwater seepage on benthic microbial community structures”
Project Barrier island mass effect (BIME) consortium

Studies 

 

2015-2017

Microbiology Master of Science (ICBM OLDENBURG)

Thesis:

„Abundance and diversity of the Roseobacter group within deep-sea sediments along a transect from New Zealand to Alaska“

2011-2014

Biosciences Bachelor of Science (UNIVERSITY OF Rostock) 

Thesis:

„Stability of brackish microbial biofilms on microplastic particles “

Projects

At the moment I focus on writing project proposals and finishing manuscripts from previous projects.

Methods

Molecular ecology

qPCR
16S amplicon sequencing
Metragenomics and metatranscriptomics

Sequence data analysis
R
Bash
HPC usage via SLURM

Cultivation
Oxic and anoxic cultivation techniques

Analytics
Ion chromatography
Colorimetric measurements of sulfide, dissolved iron, nitrate, nitrite and ammonium
Total organic carbon

Sampling
Field and ship based sampling of sediment and water

Publications

November 2023 Meyer Cifuentes IE, Degenhardt J, Neumann-Schaal M, Jehmlich N, Ngugi DK, Öztürk B. 2023. Comparative biodegradation analysis of three compostable polyesters by a marine microbial community. Appl Environ Microbiol 89:e01060-23. doi.org/10.1128/aem.01060-23
August 2021 Degenhardt J, Merder J, Heyerhoff B, Simon H, Engelen B, Waska, H. Cross-Shore and DepthZonations in Bacterial Diversity Are Linked to Age and Source of Dissolved Organic Matter across the Intertidal Area of a Sandy Beach. Microorganisms 2021, 9, 1720. doi.org/10.3390/microorganisms9081720
April 2021 Degenhardt J, Khodami S, Milke F, Waska H, Engelen B, Martinez Arbizu P (2021) The Three Domains of Life Within the Discharge Area of a Shallow Subterranean Estuary at a High Energy Beach. Front. Environ. Sci. 9:642098; doi.org/10.3389/fenvs.2021.642098
April 2021 Ahrens J, Beck M, Böning P, Degenhardt J, Pahnke K, Schnetger B, Brumsack H-J (2021). Thallium cycling in pore waters of intertidal beach sediments, Geochimica et Cosmochimica Acta, ISSN 0016-7037, doi.org/10.1016/j.gca.2021.04.009.
October 2020 Degenhardt J, Dlugosch L, Ahrens J, Beck M, Waska H, Engelen B (2020). Seasonal Dynamics of Microbial Diversity at a Sandy High Energy Beach Reveal a Resilient Core Community. Frontiers in Marine Science 7. doi.org/10.3389/fmars.2020.573570
October 2019 Seibert SL, Degenhardt J, Ahrens J, Reckhardt A, Schwalfenberg K, Waska H (2019) Investigating the Land-Sea Transition Zone. In: Jungblut S, Liebich V, Bode-Dalby M (Eds.), Youmares 9 - The Oceans: Our research, our future. Proceedings of the 2018 conference for YOUng MArine RESearcher in Oldenburg, Germany, Springer International Publishing, p. 225-242, doi.org/10.1007/978-3-030-20389-4_12.
April 2019 Waska H, Greskowiak J, Ahrens J, Beck M, Ahmerkamp S, Böning P, Brumsack HJ, Degenhardt J, Ehlert C, Engelen B, Grünenbaum N, Holtappels M, Pahnke K, Marchant HK, Massmann G, Meier D, Schnetger B, Schwalfenberg K, Simon H, Vandieken V, Zielinski O, Dittmar T (2019) Spatial and Temporal Patterns of Pore Water Chemistry in the Inter-Tidal Zone of a High Energy Beach. Front Mar Sci 6:154, doi.org/10.3389/fmars.2019.00154.

Januar 2019

Wemheuer F, von Hoyningen-Huene AJE, Pohlner M, Degenhardt J, Engelen B, Daniel R, Wemheuer B (2019) Primary Production in the Water Column as Major Structuring Element of the Biogeographical Distribution and Function of Archaea in Deep-Sea Sediments of the Central Pacific Ocean. Archaea, vol. 2019, Article ID 3717239, doi.org/10.1155/2019/3717239.
Dezember 2017 Pohlner M., Degenhardt J., Von Hoyningen-Hiene A. J. E., Wemheuer B., Erlmann N., Schnetger B., Badewien T. H., Engelen B. (2017) The Biogeographical Distribution of Benthic Roseobacter Group Members along a Pacific Transect Is Structured by Nutrient Availability within the Sediments and Primary Production in Different Oceanic Provinces Front. Microbiol. doi.org/10.3389/fmicb.2017.02550.
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