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Yin X, Zhou G, Cai M, et al. (2022) Catabolic protein degradation in marine sediments confined to distinct archaea. ISME J.

Sikorski J, Baumgartner V, Birkhofer K, Boeddinghaus RS, Bunk B, Fischer M, Fösel BU, Friedrich MW, Göker M, Hölzel N, Huang S, Huber KJ, Kandeler E, Klaus VH, Kleinebecker T, Marhan S, von Mering C, Oelmann Y, Prati D, Regan KM, Richter-Heitmann T, Rodrigues João FM, Schmitt B, Schöning I, Schrumpf M, Schurig E, Solly EF, Wolters V, Overmann J (2022) The Evolution of Ecological Diversity in Acidobacteria. Frontiers in Microbiology. 13:715637.

Cai M, Yin X, Tang X, Zhang C, Zheng Q, Li M (2022) Metatranscriptomics reveals different features of methanogenic archaea among global vegetated coastal ecosystems. Science of The Total Environment. 802:149848.

Wunder LC, Aromokeye DA, Yin X, Richter-Heitmann T, Willis-Poratti G, Schnakenberg A, Otersen C, Dohrmann I, Römer M, Bohrmann G, Kasten S, Friedrich MW (2021) Iron and sulfate reduction structure microbial communities in (sub-)Antarctic sediments. ISME J.

Aromokeye DA, Willis-Poratti G, Wunder LC, Yin X,Wendt J, Richter-Heitmann T,Henkel S, Vazquez S, Elvert M, Mac Cormack W, Friedrich MW (2021) Macroalgae degradation promotes microbial iron reduction via electron shuttling in coastal Antarctic sediments. Environment Int. 156.

Schnakenberg A, Aromokeye DA, Kulkarni A, Maier L, Wunder LC,Richter-Heitmann T, Pape T, Pop Ristova P, Bühring SI, Dohrmann I, Bohrmann H, Kasten S, Friedrich MW (2021) Electron Acceptor Availability Shapes Anaerobically Methane Oxidizing Archaea (ANME) Communities in South Georgia Sediments. Front. Microbiol. 12:726.

Xu Y, Wu W, Xiao W, Ge H, Wei Y, Yin X, Yao H, Lipp JS, Pan B, Hinrichs KU (2020) Intact ether lipids in trench sediments related to archaeal community and environmental conditions in the deepest ocean. Journal of Geophysical Research: Biogeosciences.

Cai M, Richter-Heitmann T, Yin X, Huang WC, Yang Y, Zhang C, Duan C, Pan J, Liu Y, Liu Y, Friedrich MW, Li M (2020) Ecological features and global distribution of Asgard archaea. Science of The Total Environment. 758. 143581.

Aromokeye DA, Oni OE, Tebben J, Yin X, Richter-Heitmann T, Wendt J, Nimzyk R, Littmann S, Tienken D, Kulkarni AC, Henkel S, Hinrichs KU, Elvert M, Harder T, Kasten S, Friedrich MW (2020) Crystalline iron oxides stimulate methanogenic benzoate degradation in marine sediment-derived enrichment cultures. ISME J.

Yin X, Cai M, Liu Y, Zhou G, Richter-Heitmann T, Aromokeye DA, Kulkarni AC, Nimzyk R, Cullhed H, Zhou Z, Pan J, Yang Y, Gu JD, Elvert M, Li M, Friedrich MW (2020) Subgroup level differences of physiological activities in marine Lokiarchaeota. ISME J.

Han D, Richter-Heitmann T, Kim IN, Choy E, Park KT, Unno T, Kim J, Nam SI (2020) Survey of Bacterial Phylogenetic Diversity During the Glacier Melting Season in an Arctic Fjord. Microb Ecol.

Kämper J, Friedrich MW, Kahmann R (2020) Creating novel specificities in a fungal nonself recognition system by single step homologous recombination events. New Phytol. 228(3):1001-1010.

Fiore-Donno AM, Richter-Heitmann T, Bonkowski M (2020) Contrasting Responses of Protistan Plant Parasites and Phagotrophs to Ecosystems, Land Management and Soil Properties. Front. Microbol. 11:1823.

Richter-Heitmann T, Hofner B, Krah FS, Sikorski J, Wüst PK, Bunk B, Huang S, Regan KM, Berner D, Boeddinghaus RS, Marhan S, Prati D, Kandeler E, Overmann J, Friedrich MW (2020) Stochastic Dispersal Rather Than Deterministic Selection Explains the Spatio-Temporal Distribution of Soil Bacteria in a Temperate Grassland. Front. Microbol. 11:1391.

Banos S, Gysi DM, Richter-Heitmann T, Glöckner FO, Boersma M, Wiltshire KH, Gerdts G, Wichels A, Reich M (2020) Seasonal Dynamics of Pelagic Mycoplanktonic Communities: Interplay of Taxon Abundance, Temporal Occurrence, and Biotic Interactions. Front. Microbol. 11:1305.

Fiore-Donno AM, Richter-Heitmann T, Bonkowski M (2020) Contrasting responses of protistan plant parasites and phagotrophs to ecosystems, land management and soil properties. bioRxiv 2020.03.22.001768.

Cai M, Liu Y, Yin X, Zhou Z, Friedrich MW, Richter-Heitmann T, Nimzyk R, Kulkarni A, Wang X, Li W, Pan J, Yang Y, Gu JD, Li M (2020) Diverse Asgard archaea including the novel phylum Gerdarchaeota participate in organic matter degradation. SCIENCE CHINA Life Sciences. 63:886-897.

Aromokeye DA, Kulkarni A, Elvert M, Wegener G, Henkel S, Coffinet S, Eickhorst T, Oni O, Richter-Heitmann T, Schnakenberg A, Taubner H, Wunder L, Yin X, Zhu Q, Hinrichs KU, Kasten S, Friedrich MW (2020) Rates and Microbial Players of Iron-Driven Anaerobic Oxidation of Methane in Methanic Marine Sediments. Front. Microbiol. 10:3041.

Cai M, Liu Y, Yin X, Zhou Z, Friedrich MW, Richter-Heitmann T, Nimzyk R, Kulkarni A, Wang X, Li W, Pan J, Yang Y, Gu JD, Li M (2019) Highly diverse Asgard archaea participate in organic matter degradation in coastal sediments. BioRxiv 858530.

Vieira S, Sikorski J, Dietz S, Herz K, Schrumpf M, Bruelheide H, Scheel D, Friedrich MW, Overmann J (2019) Drivers of the composition of active rhizosphere bacterial communities in temperate grasslands. ISME J. 14:463–475.

Yin X, Kulkarni A, Friedrich MW (2019) DNA and RNA Stable Isotope Probing of Methylotrophic Methanogenic Archaea. In: Dumont M., Hernández García M. (eds) Stable Isotope Probing. Methods in Molecular Biology. 2046:189-206. Humana, New York, NY

Fiore-Donno AM, Richter-Heitmann T, Degrune F, Dumack K, Regan K, Marhan S, Boeddinghaus R, Rillig M, Friedrich MW, Kandeler E, Bonkowski M (2019) Functional traits and spatio-temporal structure of a major group of soil protists (Rhizaria: Cercozoa) in a temperate grassland. Frontiers in Microbiology 10:1332.

Yin X, Wu W, Maeke M, Richter-Heitmann TKulkarni A, Oni O, Wendt J, Elvert M, Friedrich MW (2019) CO2 conversion to methane and biomass in obligate methylotrophic methanogens in marine sediments. ISME J. 13:2017-2119.

Serrano W, Olaechea R, Wink J, Friedrich MW (2019) Draft Genome Sequence of Streptomyces sp. Strain RFCAC02, Isolated from the Gut Microflora of the Pacific Chub Mackerel Scomber japonicus peruanus. Microbiology Resource Announcements. 8(23).

Aromokeye DA, Richter-Heitmann T, Oni O, Kulkarni A, Yin X, Kasten S, Friedrich MW (2018) Temperature Controls Crystalline Iron(III) Oxide Utilization by Microbial Communities in Methanic Ferruginous Marine Sediment Incubations. Front Microbiol. 9:2574.

Serrano W, Tarazona, UI, Olaechea RM, Friedrich MW (2018) Draft genome sequence of a new Vibrio strain with the potential to produce bacateriocin-like inhibitory substances isolated from the gut microflora of scallop (Argopecten purpuratus). Genome Announcements. 6(20).

Fortney NW, He S, Kulkarni A, Friedrich MW, Holz C, Boyd ES, Roden EE (2018) Stable Isotope Probing for Microbial Iron Reduction in Chocolate Pots Hot Spring, Yellowstone National Park.Appl. Environ. Microbiol. 84(11).

Pop Ristova PP, Pichler T, Friedrich MW, Bühring SI (2017) Bacterial diversity and biogeochemistry of two marine shallow-water hydrothermal systems off Dominica (Lesser Antilles). Front Microbiol. 8:2400.

Pavloudi C, Oulas A, Vasileiadou K, Kotoulas G, De Troch M, Friedrich MW, Arvanitidis C (2017) Diversity and abundance of sulfate‐reducing microorganisms in a Mediterranean lagoonal complex (Amvrakikos Gulf, Ionian Sea) derived from dsrB gene. Aquat Microb Ecol. 79:209-219.

Serrano W, Tarazona, UI, Olaechea RM, Friedrich MW (2017) Draft Genome Sequence of Vibrio sp. Strain V1B Isolated from the Gut Microflora of the Scallop Argopecten purpuratus. Genome Announcements. 5(42).

Stempfhuber B, Richter-Heitmann T, Bienek L, Schöning I, Schrumpf M, Friedrich MW, Schulz S, Schloter M (2017) Soil pH and plant diversity drive co-occurrence patterns of ammonia and nitrite oxidizer in soils from forest ecosystems. Biol Fertil Soils. 53:691-700.

Reyes C, Schneider D, Lipka M, Thürmer A, Böttcher ME, Friedrich MW (2017) Nitrogen Metabolism Genes from Temperate Marine Sediments. Marine Biotechnology. 19(2):175-190.

Reyes C, Schneider D, Thürmer A, Kulkarni A, Lipka M, Sztejrenszus S, Böttcher ME, Daniel R, Friedrich MW (2017) Potentially Active Iron, Sulfur, and Sulfate Reducing Bacteria in Skagerrak and Bothnian Bay Sediments. Geomicrobiology Journal. 34(10):840-850.

Oni O, Friedrich MW (2017) Metal Oxide Reduction Linked to Anaerobic Methane Oxidation. Trends in Microbiology. 25(2):88–90.

Richter-Heitmann T, Eickhorst T, Knauth S, Friedrich MW, Schmidt H (2016) Evaluation of Strategies to Separate Root-Associated Microbial Communities: A Crucial Choice in Rhizobiome Research. Front Microbiol. 7:773.

Costa BFO, Blumers M, Shylin SI, Ksenofontov V, Oni O, Kasten S, Fischer D, Wagenknecht L, Kulkarni A, Friedrich MW, Klingelhoefer G (2016) Mössbauer spectroscopy and X-ray fluorescence studies on sediments from the methanic zone of the Helgoland mud area, North Sea. Hyperfine Int. 237:76.

Reyes C, Dellwig O, Dähnke K, Gehre M, Noriega-Ortega B, Böttcher ME, Meister P, Friedrich MW (2016) Bacterial communities potentially involved in iron-cycling in Baltic Sea and North Sea sediments revealed by pyrosequencing. FEMS Microbiology Ecology. 92(4).

Stempfhuber B, Richter-Heitmann T, Regan KM, Kölbl A, Wüst PK, Marhan S, Sikorski J, Overmann J, Friedrich MW, Kandeler E, Schloter M. (2016) Spatial interaction of archaeal ammonia-oxidizers and nitrite-oxidizing bacteria in an unfertilized grassland soil. Front. Microbiol. 6:1567.

Oni O, Schmidt F, Miyatake T, Kasten S, Witt M, Hinrichs KU, Friedrich MW (2015) Microbial communities and organic matter composition in surface and subsurface sediments of the Helgoland mud area, North Sea. Front. Microbiol. 6:1290.

Serrano W, Schruebbers J, Amann R, Fischer U (2015Allochromatium humboldtianum sp. nov.*, a novel marine Allochromatium species isolated from soft coastal sediments off Peru. Int. J. Syst. Evol. Microbiol. 65(9):2980.

Hori T, Aoyagi T, Itoh H, Narihiro T, Oikawa A, Suzuki K, Ogata A, Friedrich MW, Conrad R, Kamagata Y (2015) Isolation of microorganisms involved in reduction of crystalline iron(III) oxides in natural environments. Front. Microbiol. 6:386.

Oni O, Miyatake T, Kasten S, Richter-Heitmann T, Fischer D, Wagenknecht L, Kulkarni A, Blumers M, Shylin SI, Ksenofontov V, Costa BF, Klingelhöfer G, Friedrich MW (2015) Distinct microbial populations are tightly linked to the profile of dissolved iron in the methanic sediments of the Helgoland mud area, North Sea. Front. Microbiol. 6:365.

Cabezas A, Pommerenke B, Boon N, Friedrich MW (2015Geobacter, Anaeromyxobacter and Anaerolineaepopulations are enriched on anodes of root exudate-driven microbial fuel cells in rice field soil. Environ. Microbiol. Rep. 7:489.

Aoyagi T, Hanada S, Itoh H, Sato H, Ogata A, Friedrich MW, Kikuchi Y, Hori T (2015) Ultra-high-sensitivity stable-isotope probing of rRNA by high-throughput sequencing of isopycnic centrifugation gradients. Environ. Microbiol. Rep. 7:282.

Miyatake T, Moerdijk-Poortvliet TCW, Stal LJ, Boschker HTS. (2014) Tracing carbon flow from microphytobenthos to major bacterial groups in an intertidal marine sediment by using an in situ 13C pulse-chase method. Limnol. Oceanogr. 59:1275.

Friedrich MW, Finster KW (2014) How sulfur beats iron. Science. 344:974-975.

Foster RA, Sztejrenszus S, Kuypers MM (2013) Measuring carbon and N2 fixation in field populations of colonial and free-living unicellular cyanobacteria using Nanometer-Scale Secondary Ion Mass Spectrometry1. J. Phycol. 49:502.

Wegner C-E, Richter-Heitmann T, Klindworth A, Klockow C, Richter M, Achstetter T, Glöckner FO, Jens Harder J. (2013) Expression of sulfatases in Rhodopirellula baltica and the diversity of sulfatases in the genus Rhodopirellula. Marine Genomics. 9:51.

Foesel BU, Nägele V, Naether A, Wüst PK, Weinert J, Bonkowski M, Lohaus G, Polle A, Alt F, Oelmann Y, Fischer M, Friedrich MW, Overmann J (2014) Determinants of Acidobacteria activity inferred from the relative abundances of 16S rRNA transcripts in German grassland and forest soils. Environ. Microbiol. 16:658.

Miyatake T, McGregor B, Boschker HTS (2013) Depth-related differences in organic substrate utilization by major microbial groups in intertidal marine sediment. Appl. Environ. Microbiol. 79:389.

Reyes C, Qian F, Zhang A, Bondarev S, Welch A, Thelen MP, Saltikova CW (2012) Characterization of axial and proximal histidine mutations of the decaheme cytochrome MtrA from Shewanella sp. strain ANA-3 and implications for the electron transport system. J. Bacteriol. 194: 5840 | doi: 10.1128/JB.00890-12

Naether A, Foesel BU, Naegele V, Wüst PK, Weinert J, Bonkowski M, Alt F, Oelmann Y, Polle A, Lohaus G, Gockel S, Hemp A, Kalko EKV, Linsenmair KE, Pfeiffer S, Renner S, Schöning I, Weisser WW, Wells K, Fischer M, Overmann J, Friedrich MW (2012) Environmental factors affect acidobacterial communities below the subgroup level in grassland and forest soils. Appl. Environ. Microbiol. 78: 7398 | doi: 10.1128/AEM.01325-12

Birkhofer K, Schöning I, Alt F, Herold N, Klarner B, Maraun M, Marhan S, Oelmann Y, Wubet T, Yurkov A, Begerow D, Berner D, Buscot F, Daniel R, Diekötter T, Ehnes RB, Erdmann G,  Fischer C, Foesel B, Groh J, Gutknecht J, Kandeler E, Lang C, Lohaus G, Meyer A, Nacke H, Näther A,  Overmann J, Polle A, Pollierer MM, Scheu S, Schloter M, Schulze E-D, Schulze W, Weinert J,  Weisser WW, Wolters V, Schrumpf M  (2012) General relationships between abiotic soil properties and soil biota across spatial scales and different land-use types. PLoS ONE 7:e43292 | doi: 10.1371/journal.pone.0043292

Hill PG, Heywood JL, Holland RJ, Purdie DA, Fuchs BM, Zubkov MV  (2012) Internal and external influences on near-surface microbial community structure in the vicinity of the Cape Verde Islands. Microb. Ecol. 63: 139 | doi: 10.​1007/​s00248-011-9952-2

Rau JE, Blotevogel KH, Fischer U (2012Algoriphagus aquaeductus sp nov., isolated from a freshwater pipe. IJSEM 62: 675 | doi: 10.1099/ijs.0.030809-0

Vandieken V, Pester M, Finke N, Hyun JH, Friedrich MW, Loy A, Thamdrup B  (2012) Three manganese oxide-rich marine sediments harbor similar communities of acetate-oxidizing manganese-reducing bacteria.ISME J.  6: 2078 | doi: 10.1038/ismej.2012.41

Pester M,  Knorr K, Friedrich MW, Wagner M, Loy A  (2012) Sulfate-reducing microorganisms in wetlands - fameless actors in carbon cycling and climate change. Front. Microbiol. 3: 72 | doi: 10.3389/fmicb.2012.00072

Heywood JL, Sieracki ME, Bellows W, Poulton NJ, Stepanauskas R. (2011) Capturing diversity of marine heterotrophic protists: one cell at a time. ISME J. 5: 674 | doi: 10.1038/ismej.2010.155

Friedrich MW. (2011) Trophic interactions in microbial communities and food webs traced by stable isotope probing of nucleic acids. In: C. Murrell, A. S. Whiteley (eds). Stable isotope probing in microbial molecular ecology, ASM Press, Washington, DC,  p. 203-232.

Friedrich MW. (2011) Microbial communities, structure and function. In: J. Reitner, V. Thiel. Encyclopedia of geobiology. Springer encyclopedia of earth science series, p. 592-595.

De Schampelhaire L, Cabezas A, Marzorati M, Friedrich MW, Boon N, Verstraete W. (2010). Microbial community analysis of anodes from sediment microbial fuel cells powered by rhizodeposits of living rice plants. Appl. Environ. Microbiol. 76: 2002 | doi: 10.1128/AEM.02432-09

Bruun AM, Finster K, Gunnlaugsson HP, Friedrich MW (2010) A comprehensive investigation on iron cycling in a freshwater seep including microscopy, cultivation and molecular community analysis. Geomicrobiol. J.27: 15 | doi: 10.1080/01490450903232165

Chen Y, Neufeld JD, Dumont MG, Friedrich MW, Murrell JC (2010). Metagenomic analysis of isotopically enriched DNA, In: W. Streit, R. Daniel (eds) Metagenomics - Methods and Protocols, Springer Book series, Springer, New York,  p. 67-75.

Hori T, Müller A, Agarashi Y, Conrad R, Friedrich MW (2009) Identification of iron-reducing microorganisms in anoxic rice paddy soil by 13C-acetate probing. ISME J 4: 67 | doi: 10.1038/ismej.2009.100

Kittelmann S, Friedrich MW (2008) Novel uncultured Chloroflexi dechlorinate perchloroethene to trans-dichloroethene in tidal flat sediments. Environ. Microbiol. 10:1557 | doi: 10.1111/j.1462-2920.2008.01571.x

Ekschmitt K, Kandeler E, Poll C, Brune A, Buscot F, Friedrich MW, Gleixner G, Hartmann A, Kästner M, Marhan S, Miltner A, Scheu S, Wolters V (2008) Soil carbon preservation through habitat constraints and biological limitations on decomposer activity. J. Plant. Nutr. Soil. Sci.  171: 27 | doi: 10.1002/jpln.200700051

Kittelmann S, Friedrich MW (2008) Identification of novel perchloroethene-respiring microorganisms in anoxic river sediment by RNA-based stable isotope probing. Env. Microbiol.  10: 31 | doi: 10.1111/j.1462-2920.2007.01427.x

Neufeld JD, Vohra J, Dumont MG, Lueders T, Manefield M, Friedrich MW, Murrell JC (2007) DNA stable-isotope probing. Nat. Protocols 2: 860 | doi: 10.1038/nprot.2007.109

Pester M, Tholen A, Friedrich MW, Brune A (2007) Methane oxidation in termite hindguts: absence of evidence and evidence of absence. Appl. Environ. Microbiol. 73: 2024 | doi: 10.1128/AEM.02190-06

Kotsyurbenko OR, Friedrich MW, Simankova MV, Nozhevnikova AN, Golyshin PN, Timmis KN, Conrad R (2007) Shift from acetoclastic to H2-dependent methanogenesis in a West Siberian peat bog at low pH and isolation of an acidophilic Methanobacterium strain. Appl. Environ. Microbiol. 73: 2344 | doi: 10.1128/AEM.02413-06

Hori T, Noll M, Igarashi Y, Friedrich MW, Conrad R (2007) Identification of acetate-assimilating microorganisms under methanogenic conditions in anoxic rice field soil by comparative stable isotope probing of RNA. Appl. Environ. Microbiol. 73: 101 | doi: 10.1128/AEM.01676-06

Lueders T, Kindler R, Miltner A, Friedrich MW, Kaestner M (2006) Identification of bacterial micropredators distinctively active in a soil microbial food web. Appl. Environ. Microbiol. 72: 5342 | doi: 10.1128/AEM.00400-06

Friedrich MW (2006) Stabile Isotopenbeprobung von Nukleinsäuren– ein Schlüssel zur Ökophysiologie nicht kultivierter Mikroorganismen.

Wu X-L, Friedrich MW, Conrad R (2006) Diversity and ubiquity of thermophilic methanogenic archaea in temperate anoxic soils. Env. Microbiol. 8: 394 | doi: 10.1111/j.1462-2920.2005.00904.x

Paarup M, Friedrich MW, Tindall BJ, Finster K (2006) Characterization of the psychrotolerant acetogen strain SyrA5 and the emended description of the species Acetobacterium carbinolicumAntonie van Leeuwenhook89: 55 | doi: 10.1007/s10482-005-9009-y

Friedrich MW (2006) Stable-isotope probing of DNA: insights into the function of uncultivated microorganisms from isotopically labeled metagenomes. Curr. Opin. Biotechnol. 17: 59 | doi: 10.1016/j.copbio.2005.12.003

Wagner M, Loy A, Klein M, Lee N, Ramsing NB, Stahl DA, Friedrich MW (2005) Functional marker genes for identification of sulphate-reducing prokaryotes. Methods in Enzymology 397: 469 | doi: 10.1016/S0076-6879(05)97029-8

Friedrich MW (2005) Methyl-coenzyme M reductase genes - unique functional markers for methanogenic and anaerobic methane-oxidizing Archaea. Methods in Enzymology 397: 428 | doi: 10.1016/S0076-6879(05)97026-2

Friedrich M, Schink B (2005) The genus Desulfofustis. In: Krieg, N. R., Staley, J. T., Brenner, D. J., (eds.), Bergey's Manual of Determinative Bacteriology, Vol. 2: The Proteobacteria, pp. 994-995

Egert M, Stingl U, Dyhrberg Bruun L, Pommerenke B, Brune A, Friedrich MW (2005) Structure and topology of microbial communities in the major gut compartments of Melolontha melolontha larvae (Coleoptera: Scarabaeidae). Appl. Environ. Microbiol. 71: 4556 | doi: 10.1128/AEM.71.8.4556-4566.2005

Schink B, Friedrich MW (2005) The genus Syntrophobotulus. Vol. 3: The Firmicutes, In: P. De Vos, D. Jones, F. A. Rainey, K.-H. Schleifer, G. M. Garrity (eds.), Bergey´s Manual of Systematic Bacteriology, Vol. 3: The Firmicutes, Springer, New York - pp. ?? (2005 in press)

Zvervlov V, Klein M, Lücker S, Friedrich MW, Kellermann J, Stahl DA, Loy A, Wagner M (2005) Lateral gene transfer of dissimilatory (bi)sulfite reductase revisited. J. Bacteriol. 187: 2203 | doi: 10.1128/JB.187.6.2203-2208.2005

Egert M, Friedrich MW (2005) Post-amplification Klenow fragment treatment alleviates PCR bias caused by partially single-stranded amplicons. J. Microbiol. Methods 61: 69 | doi: 10.1016/j.mimet.2004.11.002

Lu Y, Lueders T, Friedrich MW, Conrad R (2005) Detecting active methanogenic populations on rice roots using stable isotope probing. Environ. Microbiol.  7: 326 | doi: 10.1111/j.1462-2920.2005.00697.x

Lueders T, Pommerenke B, Friedrich MW (2004) Stable-isotope probing of microorganisms thriving at thermodynamic limits: syntrophic propionate oxidation in flooded soil. Appl. Environ. Microbiol. 70: 5778 | doi: 10.1128/AEM.70.10.5778-5786.2004

Pester M, Friedrich MW, Schink B, Brune A (2004) pmoA-based analysis of methanotrophs in a littoral lake sediment reveals a diverse and stable community in a dynamic environment. Appl. Environ. Microbiol. 70: 3138 | doi: 10.1128/AEM.70.5.3138-3142.2004

Egert M, Marhan S, Wagner B, Scheu S, Friedrich MW (2004) Molecular profiling of 16S rRNA genes reveals diet-related differences of microbial communities in soil, gut, and casts of Lumbricus terrestris (Oligochaeta: Lumbricidae) FEMS Microbiol. Ecol.  48: 187 | doi: 10.1016/j.femsec.2004.01.007

Shlimon AG, Friedrich MW, Niemann H, Ramsing NB, Finster K (2004Methanobacterium aarhusensesp.nov., a novel methanogen isolated from a marine sediment (Aarhus Bay, Denmark). Int. J. Syst. Evol. Microbiol. 54: 759 | doi: 10.1099/ijs.0.02994-0

Lueders T, Wagner B, Claus P, Friedrich MW (2004) Stable isotope probing of rRNA and DNA reveals a dynamic methylotroph community and trophic interactions with fungi and protozoa in oxic rice field soil. Environ. Microbiol. 6: 60 | doi: 10.1046/j.1462-2920.2003.00535.x

Lueders T, Manefield M, Friedrich MW (2004) Enhanced sensitivity of DNA- and rRNA-based stable isotope probing by fractionation and quantitative analysis of isopycnic centrifugation gradients. Environ. Microbiol.6: 73 | doi:  10.1046/j.1462-2920.2003.00536.x

Chin K-J, Lueders T, Friedrich MW, Klose M, Conrad R (2004) Archaeal community structure and pathway of methane formation on rice roots. Microb. Ecol. 47: 59 | doi: 10.1007/s00248-003-2014-7

Egert M, Wagner B, Lemke T, Brune A, Friedrich MW (2003) Microbial community structure in midgut and hindgut of the humus-feeding larva of Pachnoda ephippiata (Coleoptera: Scarabaeidae). Appl. Environ. Microbiol. 69: 6659 | doi:  10.1128/AEM.69.11.6659-6668.2003

Lemke T, Stingl U, Egert M, Friedrich MW, Brune A (2003) Physicochemical conditions and microbial activities in the highly alkaline gut of the humus-feeding larva of Pachnoda ephippiata (Coleoptera: Scarabaeidae) Appl. Environ. Microbiol. 69: 6650 | doi: 10.1128/AEM.69.11.6650-6658.2003

Schmitt-Wagner D, Friedrich MW, Wagner B, Brune A (2003) Phylogenetic diversity, abundance, and axial distribution of bacteria in the intestinal tract of two soil-feeding termites (Cubitermes spp.) Appl. Environ. Microbiol. 69: 6007 | doi:  10.1128/AEM.69.10.6007-6017.2003

Schmitt-Wagner D, Friedrich MW, Wagner B, Brune A (2003) Axial dynamics, stability, and inter-species similarity of bacterial community structure in the highly compartmentalized gut of soil-feeding termites (Cubitermes spp.) Appl. Environ. Microbiol. 69: 6018 | doi:  10.1128/AEM.69.10.6018-6024.2003

Simankova MV, Kotsyurbenko OR, Lueders T, Nozhevnikova AN, Wagner B, Conrad R, Friedrich MW (2003) Isolation and characterization of new strains of methanogens from cold terrestrial habitats. System. Appl. Microbiol. 26: 312 | doi:  10.1078/072320203322346173

Egert M, Friedrich MW (2003) Formation of pseudo-terminal restriction fragments: a PCR-related bias affecting terminal restriction fragment length polymorphism analysis of microbial community structure. Appl. Environ. Microbiol. 69: 2555 | doi: 10.1128/AEM.69.5.2555-2562.2003

Balk M, Weijma J, Friedrich MW, Stams AJM (2003) Methanol utilization by a novel thermophilic homoacetogenic bacterium, Moorella mulderi sp. nov., isolated from a bioreactor. Arch. Microbiol. 179: 315 | doi: 10.1007/s00203-003-0523-x

Lueders T, Friedrich MW (2003) Evaluation of PCR amplification bias by T-RFLP analysis of SSU rRNA and mcrA genes using defined template mixtures of methanogenic pure cultures and soil DNA extracts. Appl. Environ. Microbiol. 69: 320 | doi: 10.1128/AEM.69.1.320-326.2003

Wedlich-Soldner R, Straube A, Friedrich MW, Steinberg G (2002) A balance of KIF1A-like kinesin and dynein organizes early endosomes in the fungus Ustilago maydis. EMBO J. 21: 2946 | doi: 10.1093/emboj/cdf296

Lueders T, Friedrich MW (2002) Effects of Amendment with Ferrihydrite and Gypsum on the Structure and Activity of Methanogenic Populations in Rice Field Soil. Appl. Environ. Microbiol. 68: 2484 | doi: 10.1128/AEM.68.5.2484-2494.2002

Schink B, Thiemann V, Laue H, Friedrich MW (2002) Desulfotignum phosphitoxidans sp. nov., a new marine sulfate reducer that oxidizes phosphite to phosphate. Arch. Microbiol. 177: 381 | doi: 10.1007/s00203-002-0402-x

Friedrich MW (2002) Phylogenetic analysis reveals multiple lateral transfers of adenosine-5'-phosphosulfate reductase genes among sulfate-reducing microorganisms. J. Bacteriol. 184: 278 | doi: 10.1128/JB.184.1.278-289.2002

Weber S, Lueders T, Friedrich MW, Conrad R (2001) Methanogenic populations involved in the degradation of rice straw in anoxic paddy soil. FEMS Microbiol. Ecol. 38: 11 | doi: 10.1111/j.1574-6941.2001.tb00877.x

Ramakrishnan B, Lueders T, Conrad R, Friedrich MW (2001) Archaeal community structures in rice soils from different geographical regions before and after initiation of methane production. FEMS Microbiol. Ecol.37: 175 | doi: 10.1111/j.1574-6941.2001.tb00865.x

Klein M, Friedrich M, Roger AJ, Hugenholtz P, Fishbain S, Abicht H, Blackall LL, Stahl DA, Wagner M (2001) Multiple lateral transfers of dissimilatory sulfite reductase genes between major lineages of sulfate-reducing prokaryotes. J. Bacteriol. 183: 6028 | doi: 10.1128/JB.183.20.6028-6035.2001

Friedrich MW, Schmitt-Wagner D, Lueders T, Brune A (2001) Axial differences in community structure of Crenarchaeota and Euryarchaeota in the highly compartmentalized gut of the soil-feeding termite Cubitermes orthognathus. Appl. Environ. Microbiol. 67: 4880 | doi: 10.1128/AEM.67.10.4880-4890.2001

Lueders T, Chin K-J, Conrad R, Friedrich M (2001) Molecular analyses of methyl-coenzyme M reductase alpha-subunit (mcrA) genes in rice field soil and enrichment cultures reveal the methanogenic phenotype of a novel archaeal lineage. Environ. Microbiol. 3: 194 | doi: 10.1046/j.1462-2920.2001.00179.x

Laue H, Friedrich M, Ruff J, Cook AM (2001) Dissimilatory sulfite reductase (desulfoviridin) of the taurine-degrading, non-sulfate-reducing bacterium Bilophila wadsworthia RZATAU contains a fused DsrB-DsrD subunit. J. Bacteriol. 183: 1727 | doi: 10.1128/JB.183.5.1727-1733.2001

Schink B, Friedrich M (2000) Phosphite oxidation by sulphate reduction. Nature 406: 37 | doi:   10.1038/35017644

Brune A, Friedrich M (2000) Microecology of the termite gut: structure and function on a microscale. Curr. Opin. Microbiol. 3: 263 | doi: 10.1016/S1369-5274(00)00087-4

Friedrich M (2000) Struktur und Funktion mikrobieller Gemeinschaften in methanogenen Habitaten. Max-Planck-Gesellschaft Jahrbuch 2000. Max-Planck-Gesellschaft, München.

Ramakrishnan B, Lüders T, Conrad R, Friedrich M (2000) Effect of soil aggregate size on methanogenesis and archaeal community structure in anoxic rice field soil. FEMS Microbiol. Ecol. 32: 261 | doi: 10.1111/j.1574-6941.2000.tb00719.x

Lueders T, Friedrich M (2000) Archaeal population dynamics during sequential reduction processes in rice field soil. Appl. Environ. Microbiol. 66: 2732 | doi: 10.1128/AEM.66.7.2732-2742.2000

Grosser RJ, Friedrich M, Ward DM, Inskeep WP (2000) Effect of model sorptive phases on phenanthrene biodegradation: Different enrichment conditions influence bioavailability and selection of phenanthrene-degrading isolates. Appl. Environ. Microbiol. 66: 2695 | doi: 10.1128/AEM.66.7.2695-2702.2000

Friedrich M, Grosser RJ, Kern EA, Ward DM (2000) Effect of model sorptive phases on phenanthrene biodegradation: Molecular analysis of enrichments and isolates suggests selection based on bioavailability. Appl. Environ. Microbiol. 66: 2703 | doi: 10.1128/AEM.66.7.2703-2710.2000

Costa C, Dijkema C, Friedrich M, Garcia-Encina P, Fernandez-Polanco F, Stams, AJM (2000) Denitrification with methane as electron donor in oxygen limited bioreactors. Appl. Microbiol. Biotechnol. 53: 754 | doi: 10.1007/s002530000337

Henckel T, Friedrich M, Conrad R (1999) Molecular analyses of the methane-oxidizing microbial community in rice field soil by targeting the genes of the 16S rRNA, particulate methane monooxygenase, and methanol dehydrogenase. Appl. Environ. Microbiol. 65(5): 1980-1990

Friedrich M, Springer N, Ludwig W, Schink B (1996) Phylogenetic position of Desulfofustis glycolicus gen. nov. sp. nov. and Syntrophobotulus glycolicus gen. nov. sp. nov., two new strict anaerobes growing with glycolic acid. Int. J. Syst. Bacteriol. 46: 1065-1069 | doi:  10.1099/00207713-46-4-1065

Friedrich M, Schink B (1996) Isolation and characterization of a desulforubidin-containing sulfate-reducing bacterium growing with glycolate. Arch. Microbiol. 164: 271 | doi:  10.1007/BF02529961

Friedrich M, Schink B (1995) Electron transport phosphorylation driven by glyoxylate respiration withhydrogen as electron donor in membrane vesicles of a glyoxylate-fermenting bacterium. Arch. Microbiol. 163: 268 | doi: 10.1007/BF00393379

Schink B, Friedrich M (1994) Energetics of syntrophic fatty acid oxidation. FEMS Microbiol. Rev. 15: 85 | doi:  10.1111/j.1574-6976.1994.tb00127.x

Friedrich M, Schink B (1993) Hydrogen formation from glycolate driven by reversed electron transport in membrane vesicles of a syntrophic glycolate-oxidizing bacterium. Eur. J. Biochem. 217: 233 | doi:  10.1111/j.1432-1033.1993.tb18238.x

Friedrich M, Schink B (1991) Fermentative degradation of glyoxylate via malyl-CoA by a new strictly anaerobic bacterium. Arch. Microbiol. 156: 392 | doi: 10.1007/BF00248716

Friedrich M, Laderer U, Schink B (1991) Fermentative degradation of glycolic acid by defined syntrophic cocultures. Arch. Microbiol. 156: 398 | doi: 10.1007/BF00248717


Xiuran Yin (2019) Carbon metabolism of methylotrophic methanogens and Asgard archaea in marine sediments. Universität Bremen.

David A. Aromokeye (2018) Iron oxide driven methanogenesis and methanotrophy in methanic sediments of Helgoland Mud Area, North Sea. Universität Bremen.

Christina Pavloudi (2017) Microbial community functioning at hypoxic sediments revealed by targeted metagenomics and RNA stable isotope probing. Universität Bremen.

Tim Richter-Heitmann (2016) (Acido)bacterial diversity in space and time. Universität Bremen.

Saar Sztejrenszus (2016) Effect of humic substances on microbial community composition and iron reduction in marine sediments. Universität Bremen.

Oluwatobi E. Oni (2015) Structure and function of microorganisms in the methanic sediments of the Helgoland mud area, North Sea, Germany.Universität Bremen.

Astrid Näther (2011) Phylogenetische und funktionelle Diversität von Acidobacteria in Wald- und Grünlandböden unterschiedlicher Landnutzung. Universität Bremen.

Angela Cabezas da Rosa (2010) Diversity and Function of the Microbial Community on Anodes of Sediment Microbial Fuel Cells fueled by Root Exudates. Universität Marburg.

Alexandra Müller (2009) Identifizierung eisenreduzierender Mikroorganismen in anoxischem Reisfeldboden mit Hilfe stabiler Isotope. Universität Marburg.

Sandra Kittelmann (2007) Identifizierung dehalorespirierender Mikroorganismen in anoxischen Sedimenten mit Hilfe stabiler Isotope. Universität Marburg.

Markus Egert (2003) Struktur und räumliche Verteilung mikrobieller Gemeinschaften im Verdauungstrakt ausgewählter Boden-Invertebraten. Universität Marburg.

Tillmann Lüders (2001) Molekularbiologische Untersuchungen der Diversität und Funktion methanogener Mikroorganismen im Reisfeldboden. Universität Marburg.

Lea Wunder (2020) Microbial communities in (sub)Antarctic surface sediments. Master Thesis, Universität Bremen.

Lisa Maier (2017) Identification of microorganisms potentially involved in iron-driven anaerobic oxidation of methane in methanic sediments. Master Thesis, Universität Bremen.

Haleluya T. Wami (2017) Comparative analysis: Examining the distribution and diversity of archaeal and bacterial communities in methanic marine sediments. Master Thesis, Universität Bremen.

Simon Langer (2016) Sulfate reduction in Fe2+ rich sediments of the Helgoland mud area, North Sea. Master Thesis, Universität Bremen.

Aldo Gonzalez-Ortiz (2015) Iron reduction and methanogenesis in marine subsurface sediments from Helgoland. Master Thesis, Universität Bremen.

Ajinkya Kulkarni (2014) Dynamics of iron (III)-reducing microorganisms in rice field soils. Master Thesis, Universität Bremen.

Sohail Keegan Pinto (2014) Microbial metal reduction- and methanogenesis potentials in the Helgoland mud area. Master Thesis, Universität Bremen.

Kristian Wendelken (2014) Assessing the diversity of bacterial communities in plant root networks, employing molecular methods. Master Thesis, Hochschule Bremen.

Kathrin Döscher, Stephanie Klett (2012) Anreicherung Lepidokrokit- und Hämatit-reduzierender Geobacteraceae aus Reisfeldboden in mikrobiellen Brennstoffzellen und Quantifizierung mittels molekularbiologischer Methoden. Master Thesis, Hochschule Bremerhaven.

Oluwatobi Emmanuel Oni (2012) Microbial reductive dehalogenation of tetrachloroethenein marine sediments. Master Thesis, Universität Bremen.

Maike Fuhr (2008) Stabile Isotopenbeprobung von eisenreduzierenden und gärenden Bakterien mit 13C-markiertem Lactat in geflutetem Reisfeldboden. Diploma Thesis, Universität Marburg.

Nina Rittweger (2008) Isolierung von 16S rRNA aus Reinkulturen und mikrobiellen Lebensgemeinschaften mittels Magnetic Capture Probing. Diploma Thesis, Universität Marburg.

Alexandra Müller (2005) Charakterisierung der acetogenen Bakteriengemeinschaft in Reiswurzelinkubationen mit Hilfe des funktionellen Markers Formyltetrahydrofolat-Synthetase (FTHFS). Diploma Thesis, Universität Marburg.

Rainer Poltz (2004) Identifizierung von anaerob Toluol-abbauenden Bakterien mittels stabiler Isotopenbeprobung. Diploma Thesis, Universität Marburg.

Katharina Josephs (1998) Charakterisierung abundanter nitratreduzierender Mikoorganismen in Reisfeldboden. Diploma Thesis, Universität Marburg.

Inga Breuer (2022) Microbial Sulfur Cycling in Antarctic Surface Sediments of Potter Cove, King George Island

Melina Loof (2021) Anreicherung von Archaeen aus marinen Sedimentproben der Helgoländer Schlammregion

Anna Greife (2021) Metagenomic Analysis of Representatives of The Sva1033 Cluster; Potential Iron- and Sulfate Reducers

Carolin Otersen (2020) Abundance and distribution of sulfate and iron reducers along glacial melt-water influenced coastal Antarctic sediments of Potter Cove. Bachelor Thesis, Universität Bremen.

Stefanie Bossert (2018) Detection and Quantification of Methylotrophic Bacteria in Methane Seepage Sites from Subantarctic South Georgia. Bachelor Thesis, Universität Bremen.

Lea Wunder (2018) Abundance and Distribution of Ananerobic Methanotrophs in Sub-Antarctic Marine Sediments of South Georgia. Bachelor Thesis, Universität Bremen.

Max Füssel (2017) Characterization of methanotrophic bacteria from marine samples from South Georgia and from methane seeps in the Central North Sea. Bachelor Thesis, Universität Bremen.

Johanna Gebhard (2017) Community analysis of putative manganese(IV) reducing micororganisms in marine sediment incubations. Bachelor Thesis, Universität Bremen.

Marlon Lohmann (2016) Characterization of methanotrophic bacteria at methane seeps in the Central North Sea. Bachelor Thesis, Universität Bremen.

Cedric Hahn (2015) Manganese reduction in incubations with subsurface sediments of the Helgoland Mud Area. Bachelor Thesis, Universität Bremen.

Ines Hesse (2015) Untersuchung zu methanbildenden Archaeen im Sediment des Helgoländer Schlickgebiets. Bachelor Thesis, Universität Bremen.

Burak Kizil (2014) Eisenreduktion in Sedimenten des Helgoländer Schlick. Bachelor Thesis, Universität Bremen.

Nadine Gerlach (2014) Potential of manganese reduction of marine subsurface sediment in Helgoland. Bachelor Thesis, Universität Bremen.

Agnes Picard (2014) Anreicherung und Charakterisierung von methanogenen Archaeen aus dem Helgolander Schlick. Bachelor Thesis, Universität Bremen.

Nina Wegmann (2012) Anaerober Abbau von Acetat und mikrobielle Populationen in Nordseesediment. Bachelor Thesis, Universität Bremen.

Yvonne Matzick (2011) Diversität eisenreduzierender Mikroorganismen in geflutetem Reisfeldboden. Bachelor Thesis, Universität Bremen.

Ulrike Dietrich (2011) Charakterisierung der mikrobiellen Gemeinschaft in Mitteldarmdrüse, Darm und Fäzes der Meerassel Idotea baltica. Bachelor Thesis, Universität Bremen.

Tanja Stratmann (2011) Diversität dehalogenierender Bakterien in marinen Sedimenten. Bachelor Thesis, Universität Bremen.

Kevin Henning (2011) Die Diversität auf Elektroden mikrobieller Brennstoffzellen aus dem Reisfeldboden. Bachelor Thesis, Universität Bremen.

Christian Kirchhoff (2011) Saisonalität und räumliche Variation von Acidobacteria-Gemeinschaften in Grünland- und Waldlandböden. Bachelor Thesis, Universität Bremen.

Björn Breidenbach (2009) Einfluss mikrobieller Brennstoffzellen auf die Methanbildung von geflutetem Reisfeldboden. Bachelor Thesis, Universität Marburg.

Carlotta Debnar-Daumler (2007) Analyse der Tetrachlorethen-dechlorierenden mikrobiellen Gemeinschaft in anoxischen Sedimenten aus der Elbe. Bachelor Thesis, Universität Marburg.