Items where Author is "Marchant, Hannah K"

Article

Jalaluddin, FM, Ahmerkamp, S, Marchant, HK, Meyer, V, Koren, K and Kuypers, MMM (2025) Microenvironments on individual sand grains enhance nitrogen loss in coastal sediments. Scientific Reports, 15(1). doi:10.1038/s41598-025-00755-3

Stuehrenberg, J, Kitzinger, K, von Arx, JN, Graf, JS, Lavik, G, Littmann, S, Milucka, J, Orsi, WD, Schorn, S, Speth, DR, Vuillemin, A, Wu, S, Marchant, HK and Kuypers, MMM (2025) Urea use drives niche separation between dominant marine ammonia oxidizing archaea. Nature Communications, 16(1). doi:10.1038/s41467-025-67048-1

Tschitschko, B, Esti, M, Philippi, M, Kidane, AT, Littmann, S, Kitzinger, K, Speth, DR, Li, S, Kraberg, A, Tienken, D, Marchant, HK, Kartal, B, Milucka, J, Mohr, W and Kuypers, MMM (2024) Rhizobia–diatom symbiosis fixes missing nitrogen in the ocean. Nature, 630(8018). 899-904. doi:10.1038/s41586-024-07495-w

Bourceau, OM, Ferdelman, T, Lavik, G, Mussmann, M, Kuypers, MMM and Marchant, HK (2023) Simultaneous sulfate and nitrate reduction in coastal sediments. ISME Communications, 3(1). doi:10.1038/s43705-023-00222-y

Karthäuser, C, Ahmerkamp, S, Marchant, HK, Bristow, LA, Hauss, H, Iversen, MH, Kiko, R, Maerz, J, Lavik, G and Kuypers, MMM (2021) Small sinking particles control anammox rates in the Peruvian oxygen minimum zone. Nature Communications, 12(1). doi:10.1038/s41467-021-23340-4

Hach, PF, Marchant, HK, Krupke, A, Riedel, T, Meier, DV, Lavik, G, Holtappels, M, Dittmar, T and Kuypers, MMM (2020) Rapid microbial diversification of dissolved organic matter in oceanic surface waters leads to carbon sequestration. Scientific Reports, 10(1). doi:10.1038/s41598-020-69930-y

Ahrens, J, Beck, M, Marchant, HK, Ahmerkamp, S, Schnetger, B and Brumsack, HJ (2020) Seasonality of organic matter degradation regulates nutrient and metal net fluxes in a high energy sandy beach. Journal of Geophysical Research: Biogeosciences, 125(2). doi:10.1029/2019JG005399

Kitzinger, K, Marchant, HK, Bristow, LA, Herbold, CW, Padilla, CC, Kidane, AT, Littmann, S, Daims, H, Pjevac, P, Stewart, FJ, Wagner, M and Kuypers, MMM (2020) Single cell analyses reveal contrasting life strategies of the two main nitrifiers in the ocean. Nature Communications, 11(1). doi:10.1038/s41467-020-14542-3

Ahmerkamp, S, Marchant, HK, Peng, C, Probandt, D, Littmann, S, Kuypers, MMM and Holtappels, M (2020) The effect of sediment grain properties and porewater flow on microbial abundance and respiration in permeable sediments. Scientific Reports, 10(1). doi:10.1038/s41598-020-60557-7

Kitzinger, K, Padilla, CC, Marchant, HK, Hach, PF, Herbold, CW, Kidane, AT, Könneke, M, Littmann, S, Mooshammer, M, Niggemann, J, Petrov, S, Richter, A, Stewart, FJ, Wagner, M, Kuypers, MMM and Bristow, LA (2019) Cyanate and urea are substrates for nitrification by Thaumarchaeota in the marine environment. Nature Microbiology, 4(2). 234-243. doi:10.1038/s41564-018-0316-2

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 and Dittmar, T (2019) Spatial and temporal patterns of pore water chemistry in the inter-tidal zone of a high energy beach. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00154

Marchant, HK, Ahmerkamp, S, Lavik, G, Tegetmeyer, HE, Graf, J, Klatt, JM, Holtappels, M, Walpersdorf, E and Kuypers, MMM (2017) Denitrifying community in coastal sediments performs aerobic and anaerobic respiration simultaneously. The ISME Journal, 11(8). 1799-1812. doi:10.1038/ismej.2017.51

Marchant, HK, Holtappels, M, Lavik, G, Ahmerkamp, S, Winter, C and Kuypers, MMM (2016) Coupled nitrification-denitrification leads to extensive N loss in subtidal permeable sediments. Limnology and Oceanography, 61(3). 1033-1048. doi:10.1002/lno.10271

Marchant, HK, Lavik, G, Holtappels, M and Kuypers, MMM (2014) The fate of nitrate in intertidal permeable sediments. PLoS ONE, 9(8). e104517. doi:10.1371/journal.pone.0104517