Kurth, J. M.; Nobu, M. K.; Tamaki, H.; de Jonge, N.; Berger, S.; Jetten, M. S. M.; Yamamoto, K.; Mayumi, D.; Sakata, S.; Bai, L. et al.; Cheng, L.; Nielsen, J. L.; Kamagata, Y.; Wagner, T.; Welte, C. U.: Methanogenic archaea use a bacteria-like methyltransferase system to demethoxylate aromatic compounds. ISME JOURNAL (2021)

Schutte, C. A.; Huanca-Valenzuela, P.; Lavik, G.; Marchant, H. K.; de Beer, D.: Advection Drives Nitrate Past the Microphytobenthos in Intertidal Sands, Fueling Deeper Denitrification. FRONTIERS IN MICROBIOLOGY 12, 556268 (2021)

Gomez-Saez, G. V.; Dittmar, T.; Holtappels, M.; Pohlabeln, A. M.; Lichtschlag, A.; Schnetger, B.; Boetius, A.; Niggemann, J.: Sulfurization of dissolved organic matter in the anoxic water column of the Black Sea. SCIENCE ADVANCES 7 (25), eabf6199 (2021)

Vaksmaa, A.; Knittel, K.; Asbun, A. A.; Goudriaan, M.; Ellrott, A.; Witte, H. J.; Vollmer, I.; Meirer, F.; Lott, C.; Weber, M. et al.; Engelmann, J. C.; Niemann, H.: Microbial Communities on Plastic Polymers in the Mediterranean Sea. FRONTIERS IN MICROBIOLOGY 12, 673553 (2021)

Fernandez-Urruzola, I.; Ulloa, O.; Glud, R. N.; Pinkerton, M. H.; Schneider, W.; Wenzhöfer, F.; Escribano, R.: Plankton respiration in the Atacama Trench region: Implications for particulate organic carbon flux into the hadal realm. LIMNOLOGY AND OCEANOGRAPHY (2021)

van Kessel, M. A. H. J.; Stultiens, K.; Pol, A.; Jetten, M. S. M.; Kartal, B.; Op den Camp, H. J. M.: Simultaneous Anaerobic and Aerobic Ammonia and Methane Oxidation under Oxygen Limitation Conditions. APPLIED AND ENVIRONMENTAL MICROBIOLOGY 87 (13), e00043-21 (2021)

Stratmann, T.; Soetaert, K.; Kersken, D.; van Oevelen, D.: Polymetallic nodules are essential for food-web integrity of a prospective deep-seabed mining area in Pacific abyssal plains. SCIENTIFIC REPORTS 11 (1), 12238 (2021)

Schauberger, C.; Glud, R. N.; Hausmann, B.; Trouche, B.; Maignien, L.; Poulain, J.; Wincker, P.; Arnaud-Haond, S.; Wenzhoefer, F.; Thamdrup, B.: Microbial community structure in hadal sediments: high similarity along trench axes and strong changes along redox gradients. ISME JOURNAL (2021)

Sorrell, B. K.; Hawes, I.; Stratmann, T.; Lund-Hansen, L. C.: Photobiological Effects on Ice Algae of a Rapid Whole-Fjord Loss of Snow Cover during Spring Growth in Kangerlussuaq, a West Greenland Fjord. JOURNAL OF MARINE SCIENCE AND ENGINEERING 9 (8), 814 (2021)

Karthäuser, C.; Ahmerkamp, S.; Marchant, H. K.; Bristow, L.; Hauss, H.; Iversen, M. H.; Kiko, R.; Maerz, J.; Lavik, G.; Kuypers, M. M. M.: Small sinking particles control anammox rates in the Peruvian oxygen minimum zone. NATURE COMMUNICATIONS 12 (1), 3235 (2021)

Schubert, N.; Hofmann, L. C.; Saa, A. C. A.; Moreira, A. C.; Arenhart, R. G.; Fernandes, C. P.; de Beer, D.; Horta, P. A.; Silva, J.: Calcification in free-living coralline algae is strongly influenced by morphology: Implications for susceptibility to ocean acidification. SCIENTIFIC REPORTS 11 (1), 11232 (2021)

Schubert, N.; Hofmann, L. C.; Saa, A. C. A.; Moreira, A. C.; Arenhart, R. G.; Fernandes, C. P.; de Beer, D.; Horta, P. A.; Silva, J.: Calcification in free-living coralline algae is strongly influenced by morphology: Implications for susceptibility to ocean acidification. SCIENTIFIC REPORTS 11 (1), 11232 (2021)

Pathiraja, D.; Christiansen, L.; Park, B.; Schultz-Johansen, M.; Bang, G.; Stougaard, P.; Choi, I.-G.: A Novel Auxiliary Agarolytic Pathway Expands Metabolic Versatility in the Agar-Degrading Marine Bacterium Colwellia echini A3(T). APPLIED AND ENVIRONMENTAL MICROBIOLOGY 87 (12), e00230-21 (2021)

Sanei, H.; Outridge, P. M.; Oguri, K.; Stern, G. A.; Thamdrup, B.; Wenzhoefer, F.; Wang, F.; Glud, R. N.: High mercury accumulation in deep-ocean hadal sediments. SCIENTIFIC REPORTS 11 (1), 10970 (2021)

Weston, J. N. J.; Espinosa-Leal, L.; Wainwright, J. A.; Stewart, E. C. D.; Gonzalez, C. E.; Linley, T. D.; Reid, W. D. K.; Hidalgo, P.; Oliva, M. E.; Ulloa, O. et al.; Wenzhöfer, F.; Glud, R. N.; Escribano, R.; Jamieson, A. J.: Eurythenes atacamensis sp. nov. (Crustacea: Amphipoda) exhibits ontogenetic vertical stratification across abyssal and hadal depths in the Atacama Trench, eastern South Pacific Ocean. MARINE BIODIVERSITY 51 (3), 51 (2021)

Ansorge, R.; Ücker, M.; Sato, Y.; Sayavedra, L.; Breusing, C.; Dubilier, N.: Deep-sea mussels from a hybrid zone on the Mid-Atlantic Ridge host genetically indistinguishable symbionts. ISME JOURNAL (2021)

Fadeev, E.; Cardozo-Mino, M. G.; Salman-Carvalho, V.; Boetius, A.: Spatial Distribution of Arctic Bacterioplankton Abundance Is Linked to Distinct Water Masses and Summertime Phytoplankton Bloom Dynamics (Fram Strait, 79 degrees N). FRONTIERS IN MICROBIOLOGY 12, 658803 (2021)

Wegener, G.; Gropp, J.; Taubner, H.; Halevy, I.; Elvert, M.: Sulfate-dependent reversibility of intracellular reactions explains the opposing isotope effects in the anaerobic oxidation of methane. SCIENCE ADVANCES 7 (19), eabe4939 (2021)

Kurth, J. M.; Müller, M.-C.; Welte, C. U.; Wagner, T.: Structural Insights into the Methane-Generating Enzyme from a Methoxydotrophic Methanogen Reveal a Restrained Gallery of Post-Translational Modifications. MICROORGANISMS 9 (4), 837 (2021)

Xu, Y.; Li, X.; Luo, M.; Xiao, W.; Fang, J.; Rashid, H.; Peng, Y.; Li, W.; Wenzhoefer, F.; Rowden, A. A. et al.; Glud, R. N.: Distribution, Source, and Burial of Sedimentary Organic Carbon in Kermadec and Atacama Trenches. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 126 (5), e2020JG006189 (2021)