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Prof. Dr. William Orsi

2016

Orsi W, Jørgensen BB, Biddle JF (2016) Transcriptional analysis of sulfate reducing and chemolithoautotrophic sulfur oxidizing bacteria in the deep subseafloor. Environmental Microbiology Reports 8, 452-460.

Orsi W, Smith JM, Liu S, Liu Z, Sakamoto CM, Wilken S, Poirier C, Richards TA, Keeling PJ, Worden AZ, Santoro AE (2016) Diverse, uncultivated bacteria and archaea underlying the cycling of dissolved protein in the ocean. The ISME Journal 10, 2158-2173.

2015

Klein F, Humphris SE, Guo W, Schubotz F, Schwarzenbach EM, Orsi WD (2015) Fluid mixing and the deep biosphere of a fossil Lost City-type hydrothermal system at the Iberia Margin. PNAS 112, 12036-12041.

Orsi W, Richards TA, Santoro AE (2015) Cellular maintenance processes potentially underpin the survival of subseafloor fungi over geological timescales. Estuarine Costal and Shelf Science (10.1016/j.ecss.2015.04.009).

Orsi W, Smith JM, Wilcox HM, Swalwell JE, Carini P, Worden AZ, Santoro AE (2015). Ecophysiology of uncultivated marine euryarchaea is linked to particulate organic matter. The ISME Journal 9: 1747-1763.

Coolen MJL* and Orsi W* (2015) The transcriptional response of microbial communities in thawing Alaskan permafrost soils. Frontiers in Microbiology 6:197. *Co-first authors.

Engelhardt T, Orsi W, Jørgensen BB (2015) Viral activities and life-cycles in deep subseafloor sediment. Environmental Microbiology Reports doi:10.1111/1758-2229.12316.

Santoro AE, Dupont CL, Richter RA, Craig MT, Carini P, McIlvin MR, Yang Y, Orsi W, Moran D, Saito MA (2015). Genomic and proteomic characterization of ‘Candidatus Nitrosopelagicus brevis’: an ammonia-oxidizing archaeon from the open ocean. PNAS 114:1173-1178.

2014

Orcutt BN, LaRowe D, Lloyd K, Mills H, Orsi W, Reese BK, Sauvage J, Huber JA, Amend J. (2014) IODP deep biosphere research workshop report – a synthesis of recent investigations, and discussion of new research questions and drilling targets. Scientific Drilling 2:1-6.

Stoeck T, Filker S, Edgcomb V, Orsi W, Yakimov M, Pachiadaki M, Breiner HW, LaCono V, Stock A. (2014) Living at the limits: Evidence for microbial eukaryotes thriving under pressure in deep anoxic, hypersaline habitats. Advances in Ecology doi:10.1155/2014/532687

2013

Orsi W, Edgcomb V, Christman G, Biddle J. (2013). Gene expression in the deep biosphere. Nature 499: 205-208.

Coolen MJL, Orsi W, Balkema C, Quince C, Harris K, Sylva S, Filipova-Marinova M, Giosan L. (2013). Evolution of the plankton paleome in the Black Sea from the Deglacial to Anthropocene. PNAS 110(21): 8609-14.

Orsi W, Biddle J, Edgcomb, V. (2013). Deep sequencing of subseafloor eukaryotic rRNA reveals active Fungi across multiple subseafloor provinces. PLoS ONE 8(2): e56335.

Burgaud G, Woehlke S, Redou V, Orsi W, Beaudoin D, Barbier G, Biddle J, Edgcomb V. (2013). Deciphering presence and activity of fungal communities in marine sediments using a model estuarine system. Aquatic Microbial Ecology 70: 45-62.

Stock A, Edgcomb V, Orsi W, Filker S, Breiner HW, Yakimov M, Stoeck T. (2013). Evidence for isolated evolution of deep-sea ciliate communities through geological separation and environmental selection. BMC Microbiology 13:150.

Edgcomb V, Bernhard J, Summons R, Orsi W, Beaudoin D, Visscher P. (2013). Active eukaryotes in microbialites from Highborne Cay, Bahamas, and Hamelin Pool (Shark Bay), Australia. The ISME Journal. DOI:10.1038/ismej.2013.130.

Edgcomb V, Orsi W, Biddle J. (2013) Fungi in the marine subsurface; In: Kallmeyer, J. and Wagner, D. (eds.), Microbial life of the Deep Biosphere. (in press) De Gruyter, Berlin.

2012

Orsi W, Song Y, Hallam S, Edgcomb V. (2012). Effect of oxygen minimum zone formation on communities of marine protists. The ISME Journal 6: 1586-1601.

Orsi W, Edgcomb V, Faria J, Foissner W, Fowle W, Hohmann T, Suarez S, Taylor C, Taylor GT, Vdacny P, Epstein S. (2012). Class Cariacotrichea, a novel ciliate taxon from the anoxic Cariaco Basin, Venezuela; International Journal of Systematic and Evolutionary Microbiology 62: 1425-1433.

Orsi W, Charvet S, Vd’ačný P, Bernhard JM, Edgcomb V. (2012). Prevalence of partnerships between bacteria and ciliates in oxygen-depleted marine water columns. Frontiers in Extreme Microbiology 3: 341.

Vdacny P, Bourland W, Orsi W, Epstein S, Foissner W. (2012). Genealogical analyses of multiple loci of litostomatean ciliates (Protista, Ciliophora, Litostomatea). Molecular Phylogenetics and Evolution 65(2): 397-411.

Filker S, Stock A, Breiner H W, Edgcomb V, Orsi W, Yakimov M, Stoeck T. (2012). Environmental selection of protistan plankton communities in hypersaline anoxic deep-sea basins, Eastern Mediterranean Sea. MicrobiologyOpen 2(1): 54-63.

Orsi W and Edgcomb V. (2012). Microbial Eukaryotes in Oxygen Minimum Zones; In: Seckbach, J., Oren, A., and Stan-Lotter, H. (eds.), Polyextremophiles – Organisms living under multiple stress; Springer, Dordrecht.

Edgcomb V and Orsi W. (2012). Microbial Eukaryotes in Hypersaline Anoxic Deep Sea Basins; In: Seckbach, J., Oren, A., and Stan-Lotter, H. (eds.), Polyextremophiles – Organisms living under multiple stress; Springer, Dordrecht.

2011

Orsi W, Edgcomb V, Jeon S O, Leslin C, Bunge J, Taylor G T, Varela R, Epstein S. (2011). Protistan microbial observatory in the Cariaco Basin, Caribbean. Part II. Habitat specialization. The ISME Journal 5:1344-1356.

Edgcomb V, Orsi W, Bunge J, Jeon S O, Leslin C, Christen R, Holder M, Taylor G T, Suarez P, Varela R, Epstein S. (2011). Protistan microbial observatory in the Cariaco Basin, Caribbean. Part I. Pyrosequencing vs. Sanger insights into species richness. The ISME Journal 5: 1357-1373.

Edgcomb V, Orsi W, Taylor G T, Vd’ačný P, Taylor C, Suarez P, Epstein S. (2011). Commentary: Accessing marine protists from the anoxic Cariaco Basin. The ISME Journal 5: 1237-1241.

Edgcomb V, Orsi W, Breiner HW, Stock A, Filkner S, Yakimov M, Stoeck T. (2011). Eastern Mediterranean deep hypersaline anoxic lakes: novel active kinetoplastids associated with halocline habitats. Deep–Sea Research I 58 (10): 1040-1048.

Vd’ačný P, Bourland W, Orsi W, Epstein S, Foissner W. (2011). Phylogeny and classification of the Litostomatea (Protista, Ciliophora), with an emphasis on free-living taxa and the 18S rRNA gene. Molecular Phylogenetics and Evolution 59 (2): 510-522.

Vd’ačný P, Orsi W, Bourland W, Satoshi S, Epstein S, Foissner W. (2011). Morphological and molecular phylogeny of Dileptids: resolution at the base of the class Litostomatea (Ciliophora, Intramacronucleata). European Journal of Protistology 47 (4): 295-313.

2010

Vd’ačný P, Orsi W, Foissner W. (2010). Molecular and morphological evidence for a sister group relationship of the classes Armophorea and Litostomatea (Ciliophora, Intramacronucleata, Lamellicorticata infraphyl. nov.), with an account on basal haptorid litostomateans. European Journal of Protistology 46 (4): 298-309.

2009

Edgcomb V, Orsi W, Leslin C, Epstein SS, Bunge J, Jeon S, Yakimov MM, Behnke A, Stoeck T. (2009). Protistan community patterns within the brine and halocline of deep hypersaline anoxic basins in the eastern Mediterranean Sea. Extremophiles 13 (1): 151-167.

Stoeck T, Behnke A, Christen R, Amaral-Zettler L, Rodriguez-Mora MJ, Chistoserdov A, Orsi W, Edgcomb VP. (2009). Massively parallel tag sequencing reveals the complexity of anaerobic marine protistan communities. BMC Biology 7:72.