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Dr. Jason B. Sylvan
Jason B. Sylvan
(979) 845-5105
Eller O&M 716

Texas A&M University O&M Building
Room 716 MS 3146 
College Station, Texas 77843


Ph. D., January 2008, Rutgers University, Biological Oceanography, New Brunswick

M. Sc., 2004, Rutgers University, Biological Oceanography, New Brunswick, NJ

B. Sc., 1999, Brandeis University, Biology, Waltham, Massachusetts 



Water & Soil Sustainability, Fall 2014

Scientific Inquiry- From Biogeochemistry to Genomes: Explorations at Aquatic Interfaces, Fall 2005

OCNG 252, Oceanography Lab, Fall & Spring 2000

Jason B. Sylvan

Assistant Professor

Research Interests

  • Geomicrobiology and biogeochemistry of hydrothermal vent environments
  • Geomicrobiology and biogeochemistry of seafloor and subseafloor volcanic crust
  • Oil spill microbial ecology
  • Biogeochemistry and microbiology of coastal hypoxia ("dead zones") 

Selected Publications

Orcutt, BN, JB Sylvan, D Rogers, J Delaney, RW Lee & PR Girguis.  (2015) Carbon fixation by basalt-hosted microbial communities.  Frontiers in Microbiology, 6: 904.  doi: 10.3389/fmicb.2015.00904

Barco, RA, D Emerson, JB Sylvan, BN Orcutt, G Ramirez, J Zhong & KJ Edwards.  (2015). Proteomic profile of Mariprofundus ferrooxydans reveals a cyctochrome c4 and cytochrome cbb3 oxidase involved in iron oxidation.  Applied and Environmental Microbiology, 81(17): 5927-5937.

 Sylvan, JB, CL Hoffman, LM Momper  BM Toner, JP Amend & KJ Edwards.  (2015)  Bacillus rigiliprofundi, sp. nov., an endospore forming, Mn-oxidizing, halotolerant     bacterium isolated from deep subseafloor basaltic crust. International Journal of Systematic and Evolutionary Microbiology, 65(6): 1992-1998.  doi:10.1099/ijs.0.000211.

Shiek, CS, K Anantharaman, JA Breier, JB Sylvan, KJ Edwards & GJ Dick. (2015) Deep ocean background microbial communities are primary colonizers of hydrothermal plumes across a back-arc spreading basin.  The ISME Journal, 9: 1434-1445.  doi: 10.1038/ismej.2014.228

Meyers, MJ*, JB Sylvan* and KJ Edwards. (2014) Extracellular enzyme activity and microbial diversity measured on seafloor exposed basalts from Loihi Seamount indicate importance of basalts to global biogeochemical cycling. Applied and Environmental Microbiology, 80(16):4854-4864.

*both authors contributed equally to this work

Sylvan, JB, TY Sia, AG Haddad, LJ Briscoe, BM Toner, PR Girguis and KJ Edwards. (2013) Low temperature geomicrobiology follows host rock composition along a geochemical gradient in Lau Basin.  Frontiers in Microbiology, 4: 61. doi:10.3389/fmicb.2013.00061.

Sylvan, JB and JW Ammerman.  (2013)  Organic nutrient distributions on the Louisiana continental shelf during spring and summer 2004: implications for annual hypoxia development. Marine Chemistry, 154: 113-123.

Sylvan, JB, BM Toner & KJ Edwards. (2012) Life and death of deep-sea hydrothermal sulfides: Bacterial diversity and ecosystem succession. mBio 3(1): e00279.  doi:10.1128/mBio.00279-11.

Sylvan, JB, BC Pyensen, O. Rouxel, GR German and KJ Edwards. (2012) Time series analysis of two hydrothermal plumes at 9˚50'N East Pacific Rise reveals distinct, heterogeneous bacterial populations. Geobiology, 10: 178-192. doi:10.111/j.1472-4669.2011.00315.x.

Edwards, KJ, CG Wheat & JB Sylvan. (2011) Under the sea: life in volcanic oceanic crust. Nature Reviews Microbiology, 9: 703-712.

Orcutt, BN, JB Sylvan, N Knab & KJ Edwards. (2011) Microbiology of the dark ocean: Microbial life in the dark at, above and below the seafloor. Microbiology and Molecular Biology Reviews, 75(2): 361- 422.

Quigg, A, JB Sylvan, AB Gustafson, TR Fisher, RL Oliver, S Tozzi and JW Ammerman. (2011) Going west: role of phosphorus limitation in expanding primary production across the Louisiana shelf. Aquatic Geochemistry, 17: 519-544.

Kaye, JZ, JB Sylvan, KJ Edwards, and JA Baross.  (2011)  Halomonas and Marinobacter ecotypes from hydrothermal-vent, subseafloor and deep-sea environments. FEMS Microbiology Ecology75: 123-133.

Sylvan, JB, Q Dortch, DM Nelson, AF Maier Brown, W Morrison & JW Ammerman. (2006) Phosphorus limits phytoplankton growth on the Louisiana shelf during the period of hypoxia formation. Environmental Science and Technology, 40 (24): 7548-7553.



Additional Information


Assistant Professor - 2015-present, Dep't of Oceanography, Texas A&M University, College Station, TX

Assistant Professor (Research) - 2013-2015, Dep't of Biological Sciences, University of Southern California, Los Angeles, CA

Postdoctoral Fellow - 2008-2013, University of Southern California, Los Angeles, CA

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