(* = Peer-reviewed)

2009

*Beck M, Köster J, Engelen B, Holstein JM, Gittel A, Könneke M, Riedel T, Wirtz K, Cypionka H, Rullkötter J, Brumsack H-J (2009) Deep pore water profiles reflect enhanced microbial activity towards tidal flat margins. Ocean Dynamics 59:371–3843 doi.org/10.1007/s10236-008-0176-z

*Engelen B and Cypionka H (2009) The subsurface of tidal flats as a model for the deep biosphere. Ocean Dynamics 59:385–391 doi.org/10.1007/s10236-008-0166-1

*Freese E, Rütters H, Köster J, Rullkötter J, Sass H (2009) Gammaproteobacteria as a possible source of eicosapentaenoic acid in sediments. Microbial Ecology 57:444-4541 doi.org/10.1007/s00248-008-9443-2

2008

Cypionka H (2008) Exploring an unknown world: Bacteria of the deep biosphere below the seafloor. In: Liu S-J and Drake HL (Eds.) Microbes and the Environment: Perspective and Challenges, Science Press Beijing, ISBN 978-7-03-021405-8, pp. 30-34

*De la Torre JR, Walker CB, Ingalls AE, Könneke M, Stahl D (2008) Cultivation of a thermophilic ammonia oxidizing archaeon synthesizing crenarchaeol. Environ Microbiol 10:810–818

*Engelen B, Ziegelmüller K, Wolf L, Köpke B, Gittel A, Treude T, Nakagawa S, Inagaki F, Lever MA, Steinsbu BO, Cypionka H (2008) Fluids from the oceanic crust support microbial activities within the deep biosphere. Geomicrobiol J 25:56-66

*Freese E, Sass H, Rütters H, Schledjewski R, Rullkötter J (2008) Variable temperature-related changes in fatty acid composition among bacterial isolates from German Wadden Sea sediments representing different bacterial phyla. Organic Geochemistry 39:1427-1438.

*Gittel A, Mußmann M, Sass H, Cypionka H, Könneke M (2008) Identity and abundance of active sulfate-reducing bacteria in deep tidal flat sediments determined by directed cultivation and CARD-FISH analysis. Environ Microbiol 10:2645-2658

Könneke M (2008) New Crenarchaeota - the organismic link in the nitrogen cycle. In: Amann R, Goebel W, Reinhold-Hurek B, Schink B, Widdel F; (Eds.) Life strategies of microorganisms in the environment and in host organisms, Nova Acta Leopoldina NF 96, Nr. 356, ISBN: 978--3-8047-2499-0, Suppl. 3-8

*Krüger M, Beckmann S, Engelen B, Thielemann T, Cramer B, Schippers A, Cypionka H (2008) Microbial methane formation from hard coal and timber in an abandoned coal mine. Geomicrobiol J 25:315-321

*Löffler U, Cypionka H, Löffler J (2008) Soil microbial activity along an arctic-alpine altitudinal gradient in a seasonal perspective. Eur J Soil Sci 59:842-854

*Schouten S, Hopmans EC, Baas M, Boumann H, Standfest S, Könneke M, Stahl DA, Damste JSS (2008) Intact membrane lipids of “Candidatus Nitrosopumilus maritimus’, a cultivated representative of the cosmopolitan mesophilic group I Crenarchaeota. Appl Environ Microbiol 74:2433–2440

*Süß J, Herrmann K, Seidel M, Cypionka H, Engelen B, Sass H (2008) Two distinct Photobacterium populations thrive in ancient Mediterranean sapropels. Microb Ecol 55:371-383

2007

*Batzke A, Engelen B, Sass H, Cypionka H (2007) Phylogenetic and physiological diversity of cultured deep-biosphere bacteria from Equatorial Pacific Ocean and Peru Margin sediments. Geomicrobiology J 24:261-273

*Fichtel J, Köster J, Rullkötter J, Sass H (2007) Spore dipicolinic acid contents used for estimating the number of endospores in sediments. FEMS Microbiol Ecol 61:522-532

Hübscher C, Cartwright J, Cypionka H, de Lange G, Robertson A, Suc JP, Urai J (2007) Global look at Salt Giants. EOS 88, 177-179

Sass H, Cypionka H (2007) Response of sulphate-reducing bacteria to oxygen. In: Sulfate-reducing bacteria. Environmental and engineered systems, eds. LL Barton and WA Hamilton, Cambridge, ISBN 0521854857, pp167-184

*Schmitz Y, Baurmann M, Engelen B, Feudel U (2007) Pattern Formation of Competing Microorganisms in Sediments. Math Model Nat Phenom 2:74-104

Teske A, Cypionka H, Holt JG, Krieg NR (2007) Enrichment and isolation. In: Reddy CA (ed.), Methods for general and molecular microbiology, 3rd ed., ASM Press, Washington, pp. 215-269

*Wilms R, Sass H, Köpke B, Cypionka H, Engelen B (2007) Methane and sulfate profiles within the subsurface of a tidal flat are reflected by the distribution of sulfate-reducing bacteria and methanogenic archaea. FEMS Microbiol Ecol 59:611–621

2006

Cypionka H, Babenzien H-D, Glöckner FO, Amann R (2006) The genus Nevskia. In: The Prokaryotes. 3rd ed., Proteobacteria: Gamma subclass, eds. Falkow S, Dworkin M, Springer, New York, Vol. 6:1152-1155

Cypionka H (2006) Diversity of bacteria isolated from the deep subseafloor biosphere. Oceanography 19:69

*Fischer J, Cypionka H (2006) Analysis of aerotactic band formation by Desulfovibrio desulfuricans in a stopped-flow diffusion chamber. FEMS Microbiol Ecol 55:186-194

*Lever MA, Alperin M, Engelen B, Inagaki F, Nakagawa S, Steinsbu BO, Teske A, IODP Expedition 301 Scientists (2006) Trends in basalt and sediment core contamination during IODP expedition 301. Geomicrobiol J 23:517-530

*Martens-Habbena W, Sass H (2006) Sensitive determination of microbial growth by nucleic acid staining in aqueous suspension. Appl Environ Microbiol 72:87-95

*Nakagawa S, Inagaki F, Suzuki Y, Steinsbu BO, Lever MA, Takai K, Engelen B, Sako Y, Wheat CG, Horikoshi K, and IODP Exp. 301 Scientists (2006) Microbial Community in Black Rust Exposed to Hot Ridge Flank Crustal Fluids. Appl Environ Microbiol 72:6789–6799

*Ramamoorthy S, Sass H, Langner H, Schumann P, Kroppenstedt RM, Spring S, Overmann J, Rosenzweig RF (2006) Desulfosporosinus lacus sp. nov., a novel sulfate-reducing bacterium isolated from pristine freshwater lake sediments. Int J System Evol Microbiol 56:2729-2736

*Süß J, Schubert K, Sass H, Cypionka H, Overmann J, Engelen B (2006) Widespread distribution and high abundance of Rhizobium radiobacter within Mediterranean subsurface sediments. Environ Microbiol 8:1753-1763

*Wilms R, Köpke B, Sass H, Chang TS, Cypionka H, Engelen B (2006) Deep biosphere-related bacteria within the subsurface of tidal flat sediments. Environ Microbiol 8:709-719

*Wilms R, Sass H, Köpke B, Köster J, Cypionka H, Engelen B (2006) Specific bacterial, archaeal, and eukaryotic communities in tidal-flat sediment along a vertical profile of several meters. Appl Environ Microbiol 72:2756-2764

2005

Babenzien H-D, Cypionka H (2005) Genus Nevskia Famintzin 1892, 484AL, Brenner DJ, Krieg NR, Staley JT (eds), Bergey's Manual of Systematic Bacteriology, Vol. 2, Springer, New York, ISBN 0-387-24144-2, pp101-104

Cypionka H (2005) The physiological challenge. Environm Microbiol 7:472

Cypionka H (2005) Grundlagen der Mikrobiologie. 3. Aufl., Springer-Verlag Berlin, Heidelberg, New York, ISBN 3-540-24084-5, 317pp
[Homepage zum Buch]

*Del Panno M, Morelli IS, Engelen B, Berthe-Corti L (2005) Effect of petrochemical sludge concentrations on microbial communities during a soil bioremediation process. FEMS Microbiol Ecol 53:305-316

Engelen B (2005) Im Untergrund des Watts: Bakterien in der "tiefen Biosphäre". Einblicke 41:25-27

*Könneke M, Bernhard AE, de la Torre JR, Walker CB, Waterbury JB, Stahl DA (2005) Isolation of an autotrophic ammonia-oxdizing marine archaeon. Nature 437:542-546

*Köpke B, Wilms R, Engelen B, Cypionka H, Sass H (2005) Microbial diversity in coastal subsurface sediments - a cultivation approach using various electron acceptors and substrate gradients. Appl Environ Microbiol 71:7819-7830

*Labrenz M, Jost G, Pohl C, Beckmann S, Martens-Habbena W, Jürgens K (2005) Impact of different in vitro electron donor/acceptor conditions on potential chemolithoautotrophic communities from marine pelagic redoxclines. Appl Environm Microbiol 71:6664-6672

*Lunau M, Lemke A, Walther K, Martens-Habbena W, Simon M (2005) An improved method for counting bacteria from sediments and turbid environments by epifluorescence microscopy. Environ Microbiol 7:961-968

*Smoot LM, Smoot JC, Smidt H, Noble PA, Könneke M, McMurry ZA, Stahl DA (2005) DNA microarrays as salivary diagnostic tools for characterizing the oral cavity's microbial community. Adv Dent Res 18:6-11