Dr Henrik Sass

2023

• Spencer, C., Sass, H. and van Paassen, L. 2023. Increased microbially induced calcium carbonate precipitation (MICP) efficiency in multiple treatment sand biocementation processes by augmentation of cementation medium with ammonium chloride. Geotechnics 3(4), article number: 3040057. (10.3390/geotechnics3040057)
• Webster, G., Cragg, B. A., Rinna, J., Watkins, A. J., Sass, H., Weightman, A. J. and Parkes, R. J. 2023. Methanogen activity and microbial diversity in Gulf of Cádiz mud volcano sediments. Frontiers in Microbiology 14, article number: 1157337. (10.3389/fmicb.2023.1157337)

2021

• Freitas, F. S. et al. 2021. New insights into large-scale trends of apparent organic matter reactivity in marine sediments and patterns of benthic carbon transformation. Biogeosciences 18, pp. 4651-4679. (10.5194/bg-18-4651-2021)

2020

• Spencer, C., Sass, H. and van Paassen, L. 2020. Effect of jute fibres on the process of MICP and properties of biocemented sand. Materials 13(23), article number: 5429. (10.3390/ma13235429)
• Poniecka, E. A. et al. 2020. Physiological capabilities of cryoconite hole microorganisms. Frontiers in Microbiology 11, article number: 1783. (10.3389/fmicb.2020.01783)

2019

• Sass, H., Parkes, R. J. and Webster, G. 2019. Marine deep biosphere. In: Reference Module in Life Sciences. Elsevier, pp. 18-27., (10.1016/B978-0-12-809633-8.13031-6)
• Spencer, C. and Sass, H. 2019. Development of self-healing biocement. Presented at: 8th Congress of European Microbiologists (FEMS2019), Glasgow, 07 - 11 Jul 2019. pp. -.
• Webster, G., Mullins, A. J., Watkins, A. J., Cunningham-Oakes, E., Weightman, A. J., Mahenthiralingam, E. and Sass, H. 2019. Genome sequences of two choline-utilising methanogenic archaea, Methanococcoides spp., isolated from marine sediments. Microbiology Resource Announcements 8(18), article number: e00342-19. (10.1128/MRA.00342-19)
• Parkes, R. J. et al. 2019. Rock-crushing derived hydrogen directly supports a methanogenic community: significance for the deep biosphere.. Environmental Microbiology Reports 11(2), pp. 165-172. (10.1111/1758-2229.12723)
• Spencer, C. and Sass, H. 2019. Use of carrier materials to immobilise and supply cementation medium for microbially mediated self-healing in biocement. Presented at: 4th International Conference “Innovative Materials, Structures and Technologies” (IMST 2019), Riga, Latvia, 25 - 27 September 2019IOP Conference Series: Materials Science and Engineering, Vol. 660. Vol. 12067. IOP Publishing, (10.1088/1757-899X/660/1/012067)

2018

• Poniecka, E., Bagshaw, E., Martyn, T., Sass, H., Christopher, W., Alexandre, A. and Team, B. a. B. 2018. Rapid development of anoxic niches in supraglacial ecosystems. Arctic, Antarctic, and Alpine Research 50(1), article number: S100015. (10.1080/15230430.2017.1420859)

2016

• Sass, H. and Parkes, R. J. 2016. Deep sub-surface. In: Reference Module in Life Sciences. Elsevier, (10.1016/B978-012373944-5.00275-3)
• Nobu, M. K. et al. 2016. Phylogeny and physiology of candidate phylum 'Atribacteria' (OP9/JS1) inferred from cultivation-independent genomics. ISME Journal 10(2), pp. 273-286. (10.1038/ismej.2015.97)

2015

• Roussel, E. G. P. et al. 2015. Complex coupled metabolic and prokaryotic community responses to increasing temperatures in anaerobic marine sediments: critical temperatures and substrate changes. FEMS Microbiology Ecology 91(8), article number: fiv084. (10.1093/femsec/fiv084)
• O'Sullivan, L. A. et al. 2015. Survival of Desulfotomaculum spores from estuarine sediments after serial autoclaving and high-temperature exposure. ISME Journal 9, pp. 922-933. (10.1038/ismej.2014.190)

2014

• Parkes, R. J., Cragg, B. A., Roussel, E. G. P., Webster, G., Weightman, A. J. and Sass, H. 2014. A review of prokaryotic populations and processes in sub-seafloor sediments, including biosphere: geosphere interactions. Marine Geology 352, pp. 409-425. (10.1016/j.margeo.2014.02.009)
• Parkes, R. J., Sass, H., Cragg, B. A., Webster, G., Roussel, E. G. P. and Weightman, A. J. 2014. Studies on prokaryotic populations and processes in subseafloor sediments - an update. In: Kallmeyer, J. and Wagner, D. eds. Microbial Life of the Deep Biosphere. Berlin: de Gruyter, pp. 1-325.
• Watkins, A. J., Roussel, E. G. P., Parkes, R. J. and Sass, H. 2014. Glycine betaine as a direct substrate for methanogens (Methanococcoides spp.). Applied and Environmental Microbiology 80, pp. 289-293. (10.1128/AEM.03076-13)

2013

• Seidel, M., Rutters, H., Rullkotter, J. and Sass, H. 2013. Phosphate-free ornithine lipid contents in Desulfovibrio spp. respond to growth temperature. Organic Geochemistry 59, pp. 133-142. (10.1016/j.orggeochem.2013.04.004)

2012

• Watkins, A. J., Roussel, E. G. P., Webster, G., Parkes, R. J. and Sass, H. 2012. Choline and N,N-Dimethylethanolamine as direct substrates for methanogens. Applied and Environmental Microbiology 78(23), pp. 8298-8303. (10.1128/AEM.01941-12)
• Seidel, M., Graue, J., Engelen, B., Köster, J., Sass, H. and Rullkötter, J. 2012. Advection and diffusion determine vertical distribution of microbial communities in intertidal sediments as revealed by combined biogeochemical and molecular biological analysis. Organic Geochemistry 52, pp. 114-129. (10.1016/j.orggeochem.2012.08.015)

2011

• Webster, G. et al. 2011. Enrichment and cultivation of prokaryotes associated with the sulphate-methane transition zone of diffusion-controlled sediments of Aarhus Bay, Denmark under heterotrophic conditions. FEMS Microbiology Ecology 77(2), pp. 248-263. (10.1111/j.1574-6941.2011.01109.x)
• Sass, H. and Parkes, R. J. 2011. Deep sub-surface. In: Schmidt, T. M. and Schaechter, M. eds. Topics in Ecological and Environmental Microbiology. Academic Press, pp. 393-407.
• Parkes, R. J., Linnane, C. D., Webster, G., Sass, H., Weightman, A. J., Hornibrook, E. R. C. and Horsfield, B. 2011. Prokaryotes stimulate mineral H2 formation for the deep biosphere and subsequent thermogenic activity. Geology 39(3), pp. 219-222. (10.1130/G31598.1)
• Sass, H. and Parkes, R. J. 2011. Sub-seafloor sediments: an extreme but globally Significant prokaryotic habitat (Taxonomy, Diversity, Ecology). In: Horikoshi, K. ed. Extremophiles Handbook., Vol. 2. Springer Reference New York: Springer, pp. 1015-1042., (10.1007/978-4-431-53898-1_49)

2010

• Sass, H., Kopke, B., Rutters, H., Feuerlein, T., Droge, S., Cypionka, H. and Engelen, B. 2010. Tateyamaria pelophila sp. nov., a facultatively anaerobic alphaproteobacterium isolated from tidal-flat sediment, and emended descriptions of the genus Tateyamaria and of Tateyamaria omphalii. International Journal of Systematic and Evolutionary Microbiology 60(8), pp. 1770-1777. (10.1099/ijs.0.013524-0)
• Parkes, R. J., Sass, H., Webster, G., Watkins, A. J., Weightman, A. J., O'Sullivan, L. A. and Cragg, B. A. 2010. Methods for studying methanogens and methanogenesis in marine sediments. In: Timmis, K. H. ed. Handbook of Hydrocarbon and Lipid Microbiology., Vol. 5. Springer Reference Springer, pp. 3799-3827., (10.1007/978-3-540-77587-4_299)

2009

• Parkes, R. J., Sellek, G. A., Webster, G., Martin, D., Anders, E., Weightman, A. J. and Sass, H. 2009. Culturable prokaryotic diversity of deep, gas hydrate sediments: First use of a continuous high-pressure, anaerobic, enrichment and isolation system for subseafloor sediments (DeepIsoBUG). Environmental Microbiology 11(12), pp. 3140-3153. (10.1111/j.1462-2920.2009.02018.x)
• Sass, H. et al. 2009. Desulfovibrio idahonensis sp. nov., sulfate-reducing bacteria isolated from a metal(loid)-contaminated freshwater sediment. International Journal of Systematic and Evolutionary Microbiology 59(9), pp. 2208-2214. (10.1099/ijs.0.016709-0)
• Webster, G. et al. 2009. Subsurface microbiology and biogeochemistry of a deep, cold-water carbonate mound from the Porcupine Seabight (IODP Expedition 307). Environmental Microbiology 11(1), pp. 239-257. (10.1111/j.1462-2920.2008.01759.x)
• Freese, E., Rütters, H., Köster, J., Rullkötter, J. and Sass, H. 2009. Gammaproteobacteria as a possible source of Eicosapentaenoic Acid in anoxic intertidal sediments. Microbial Ecology 57(3), pp. 444-454. (10.1007/s00248-008-9443-2)
• Fry, J. C. et al. 2009. Prokaryotic populations and activities in an interbedded coal deposit, including a previously deeply buried section (1.6–2.3 km) above ∼ 150 Ma basement rock. Geomicrobiology Journal 26(3), pp. 163-178. (10.1080/01490450902724832)
• Parkes, R. J. and Sass, H. 2009. Deep Sub-Surface. In: Schaechter, M. ed. Encyclopedia of Microbiology. 3rd ed.. Academic Press, pp. 64-79., (10.1016/B978-012373944-5.00275-3)

2008

• Gittel, A., Mußmann, M., Sass, H., Cypionka, H. and Könneke, M. 2008. Identity and abundance of active sulfate-reducing bacteria in deep tidal flat sediments determined by directed cultivation and CARD-FISH analysis. Environmental Microbiology 10(10), pp. 2645-2658. (10.1111/j.1462-2920.2008.01686.x)
• Freese, E., Sass, H., Rutters, H., Schledjewski, R. and Rullkotter, J. 2008. Variable temperature-related changes in fatty acid composition of bacterial isolates from German Wadden sea sediments representing different bacterial phyla. Organic Geochemistry 39(10), pp. 1427-1438. (10.1016/j.orggeochem.2008.06.005)
• Sass, A., McKew, B. A., Sass, H., Fichtel, J., Timmis, K. N. and McGenity, T. J. 2008. Diversity of Bacillus-like organisms isolated from deep-sea hypersaline anoxic sediments. Saline Systems 4(8), pp. 1-11. (10.1186/1746-1448-4-8)
• Fichtel, J., Köster, J., Rullkötter, J. and Sass, H. 2008. High variations in endospore numbers within tidal flat sediments revealed by quantification of dipicolinic acid. Geomicrobiology Journal 25(7-8), pp. 371-380. (10.1080/01490450802402877)
• Süß, J., Herrmann, K., Seidel, M., Cypionka, H., Engelen, B. and Sass, H. 2008. Two distinct Photobacterium populations thrive in ancient Mediterranean sapropels. Microbial Ecology 55(3), pp. 371-383. (10.1007/s00248-007-9282-6)
• Fichtel, J., Sass, H. and Rullkötter, J. 2008. Assessment of spore contamination in pepper by determination of dipicolinic acid with a highly sensitive HPLC approach. Food Control 19(10), pp. 1006-1010. (10.1016/j.foodcont.2007.09.006)

2007

• Batzke, A., Engelen, B., Sass, H. and Cypionka, H. 2007. Phylogenetic and Physiological Diversity of Cultured Deep-Biosphere Bacteria from Equatorial Pacific Ocean and Peru Margin Sediments. Geomicrobiology Journal 24(3-4), pp. 261-273. (10.1080/01490450701456453)
• Webster, G., Yarram, L., Freese, E., Köster, J., Sass, H., Parkes, R. J. and Weightman, A. J. 2007. Distribution of candidate division JS1 and other Bacteria in tidal sediments of the German Wadden Sea using targeted 16S rRNA gene PCR-DGGE. FEMS Microbiology Ecology 62(1), pp. 78-89. (10.1111/j.1574-6941.2007.00372.x)
• Fichtel, J., Köster, J., Rullkötter, J. and Sass, H. 2007. Spore dipicolinic acid contents used for estimating the number of endospores in sediments. FEMS Microbiology Ecology 61(3), pp. 522-532. (10.1111/j.1574-6941.2007.00354.x)
• Wilms, R., Sass, H., Köpke, B., Cypionka, H. and 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 Microbiology Ecology 59(3), pp. 611-621. (10.1111/j.1574-6941.2006.00225.x)
• Parkes, R. J. and Sass, H. 2007. The sub-seafloor biosphere and sulphate-reducing prokaryotes: their presence and significance. In: Barton, L. L. and Hamilton, W. A. eds. Sulphate-Reducing Bacteria: Environmental and Engineered Systems. Cambridge: Cambridge University Press, pp. 329-358., (10.1017/CBO9780511541490.012)
• Sass, H. and Cypionka, H. 2007. Response of sulphate-reducing bacteria to oxygen. In: Barton, L. L. and Hamilton, W. A. eds. Sulphate-Reducing Bacteria: Environmental and Engineered Systems. Cambridge: Cambridge University Press, pp. 167-183., (10.1017/CBO9780511541490.006)
• Fichtel, J., Köster, J., Scholz-Böttcher, B., Sass, H. and RullKötter, J. 2007. A highly sensitive HPLC method for determination of nanomolar concentrations of dipicolinic acid, a characteristic constituent of bacterial endospores. Journal of Microbiological Methods 70(2), pp. 319-327. (10.1016/j.mimet.2007.05.008)

2006

• Süß, J., Schubert, K., Sass, H., Cypionka, H., Overmann, J. and Engelen, B. 2006. Widespread distribution and high abundance of Rhizobium radiobacter within Mediterranean subsurface sediments. Environmental Microbiology 8(10), pp. 1753-1763. (10.1111/j.1462-2920.2006.01058.x)
• Wilms, R., Sass, H., Köpke, B., Köster, J., Cypionka, H. and Engelen, B. 2006. Specific Bacterial, Archaeal, and Eukaryotic Communities in Tidal-Flat Sediments along a Vertical Profile of Several Meters. Applied and Environmental Microbiology 72(4), pp. 2756-2764. (10.1128/AEM.72.4.2756-2764.2006)
• Martens-Habbena, W. and Sass, H. 2006. Sensitive determination of microbial growth by nucleic acid staining in aqueous suspension. Applied and environmental microbiology 72(1), pp. 87-95. (10.1128/AEM.72.1.87-95.2006)
• Wilms, R., Kopke, B., Sass, H., Chang, T. S., Cypionka, H. and Engelen, B. 2006. Deep biosphere-related bacteria within the subsurface of tidal flat sediments. Environmental Microbiology 8(4), pp. 709-719. (10.1111/j.1462-2920.2005.00949.x)
• Ramamoorthy, S. et al. 2006. Desulfosporosinus lacus sp. nov., a sulfate-reducing bacterium isolated from pristine freshwater lake sediments. International Journal of Systematic and Evolutionary Microbiology 56(12), pp. 2729-2736. (10.1099/ijs.0.63610-0)

2005

• Köpke, B., Wilms, R., Engelen, B., Cypionka, H. and Sass, H. 2005. Microbial diversity in coastal subsurface sediments - a cultivation approach using various electron acceptors and substrate gradients. Applied and environmental microbiology 71(12), pp. 7819-7830. (10.1128/AEM.71.12.7819-7830.2005)
• Warthmann, R., Vasconcelos, C., Sass, H. and McKenzie, J. A. 2005. Desulfovibrio brasiliensis sp. nov., a moderate halophilic sulfate-reducing bacterium from Lagoa Vermelha (Brazil) mediating dolomite formation. Extremophiles 9(3), pp. 255-261. (10.1007/s00792-005-0441-8)

2004

• Süß, J., Engelen, B., Cypionka, H. and Sass, H. 2004. Quantitative analysis of bacterial communities from Mediterranean sapropels based on cultivation-dependent methods. FEMS Microbiology Ecology 51(1), pp. 109-121. (10.1016/j.femsec.2004.07.010)
• D'Hondt, S. et al. 2004. Distributions of Microbial Activities in Deep Subseafloor Sediments. Science 306(5705), pp. 2216-2221. (10.1126/science.1101155)
• Sass, H., Overmann, J., Rütters, H., Babenzien, H. and Cypionka, H. 2004. Desulfosporomusa polytropa gen. nov., sp. nov., a novel sulfate-reducing bacterium from sediments of an oligotrophic lake. Archives of Microbiology 182(2-3), pp. 204-211. (10.1007/s00203-004-0703-3)
• Sass, H. and Cypionka, H. 2004. Isolation of Sulfate-Reducing Bacteria from the Terrestrial Deep Subsurface and Description of Desulfovibrio cavernae sp. nov. Systematic and Applied Microbiology 27(5), pp. 541-548. (10.1078/0723202041748181)

2003

• Sass, H., Babenzien, C. and Babenzien, H. 2003. Sulfate reduction in the oligotrophic Lake Stechlin. Advances in Limnology 58, pp. 37-52.
• Sass, H., Engelen, B. and Cypionka, H. 2003. Die tiefe Biosphäre – Mikrobiologie der Erdkruste. Biospektrum(5), pp. 589-591.

2002

• Coolen, M. J. L., Cypionka, H., Sass, A., Sass, H. and Overmann, J. 2002. Ongoing modification of Mediterranean Pleistocene Sapropels Mediated by Prokaryotes. Science 296(5577), pp. 2407-2410. (10.1126/science.1071893)
• Sass, A., Rütters, H., Cypionka, H. and Sass, H. 2002. Desulfobulbus mediterraneus sp. nov., a sulfate-reducing bacterium growing on mono- and disaccharides. Archives of Microbiology 177(6), pp. 468-474. (10.1007/s00203-002-0415-5)
• Sass, A., Eschemann, A., Kühl, M., Thar, R., Sass, H. and Cypionka, H. 2002. Growth and chemosensory behavior of sulfate-reducing bacteria in oxygen-sulfide gradients. FEMS Microbiology Ecology 40(1), pp. 47-54. (10.1111/j.1574-6941.2002.tb00935.x)
• Rütters, H., Sass, H., Cypionka, H. and RullKötter, J. 2002. Microbial communities in a Wadden Sea sediment core—clues from analyses of intact glyceride lipids, and released fatty acids. Organic Geochemistry 33(7), pp. 803-816. (10.1016/S0146-6380(02)00028-1)
• Rütters, H., Sass, H., Cypionka, H. and Rullkötter, J. 2002. Phospholipid analysis as a tool to study complex microbial communities in marine sediments. Journal of Microbiological Methods 48(2-3), pp. 149-160. (10.1016/S0167-7012(01)00319-0)

2001

• Sass, A., Sass, H., Coolen, M. J. L., Cypionka, H. and Overmann, J. 2001. Microbial Communities in the Chemocline of a Hypersaline Deep-Sea Basin (Urania Basin, Mediterranean Sea). Applied and Environmental Microbiology 67(12), pp. 5392-5402. (10.1128/AEM.67.12.5392-5402.2001)
• Rütters, H., Sass, H., Cypionka, H. and Rullkötter, J. 2001. Monoalkylether phospholipids in the sulfate-reducing bacteria Desulfosarcina variabilis and Desulforhabdus amnigenus. Archives of Microbiology 176(6), pp. 435-442. (10.1007/s002030100343)

1999

• Fröhlich, J. et al. 1999. Isolation of Desulfovibrio intestinalis sp. nov. from the hindgut of the lower termite Mastotermes darwiniensis. Canadian Journal of Microbiology 45(2), pp. 145-152. (10.1139/w98-222)
• Babenzien, H. and Sass, H. 1999. Desulfurikation. In: von Tümpling, W. and Friedrich, G. eds. Methoden der biologischen Gewässeruntersuchung. Jena: Gustav Fischer Verlag, pp. 435-444.

1998

• Sass, H., Wieringa, E., Cypionka, H., Babenzien, H. and Overmann, J. 1998. High genetic and physiological diversity of sulfate-reducing bacteria isolated from an oligotrophic lake sediment. Archives of Microbiology 170(4), pp. 243-251. (10.1007/s002030050639)
• Overmann, J., Tuschak, C., Fröstl, J. M. and Sass, H. 1998. The ecological niche of the consortium " Pelochromatium roseum ". Archives of Microbiology 169(2), pp. 120-128. (10.1007/s002030050551)
• Sass, H., Berchtold, M., Branke, J., König, H., Cypionka, H. and Babenzien, H. 1998. Psychrotolerant sulfate-reducing bacteria from an oxic freshwater sediment, description of Desulfovibrio cuneatus sp. nov. and Desulfovibrio litoralis sp. nov. Systematic and Applied Microbiology 21(2), pp. 212-219.

1997

• Sass, H., Cypionka, H. and Babenzien, H. 1997. Vertical distribution of sulfate-reducing bacteria at the oxic-anoxic interface in sediments of the oligotrophic Lake Stechlin. FEMS Microbiology Ecology 22(3), pp. 245-255. (10.1111/j.1574-6941.1997.tb00377.x)

1996

• Sass, H., Cypionka, H. and Babenzien, H. 1996. Sulfate-reducing bacteria from the oxic sediment layers of the oligotrophic Lake Stechlin. Advances in Limnology 48, pp. 241-246.
• Babenzien, H. and Sass, H. 1996. The sediment-water interface - habitat of the unusual bacterium Achromatium oxaliferum. Advances in Limnology 48, pp. 247-251.

1992

• Sass, H., Steuber, J., Kroder, M., Kroneck, P. M. H. and Cypionka, H. 1992. Formation of thionates by freshwater and marine strains of sulfate-reducing bacteria. Archives of Microbiology 158(6), pp. 418-421. (10.1007/BF00276302)