Andrew Steen

Affiliation:

Address:

Department of Earth and Planetary Sciences
1412 Circle Drive
Knoxville, TN
USA 37996-1410

ORCiD:

Program coordination

None

Project coordination

Collaborative Research: Marine priming effect - molecular mechanisms for the biomineralization of terrigenous dissolved organic matter in the ocean (Marine priming effect)	Co-Principal Investigator
Novel peptidases in subsurface sediments: Activities and substrate specificities (SEDpep)	Principal Investigator
Quantifying the contribution of the deep biosphere in the marine sediment carbon cycle using deep-sea sediment cores from the Baltic Sea (IODP-347 Microbial Quantification)	Co-Principal Investigator
Discovering pathways for organic matter breakdown in deep subsurface sediments using detailed gene homologue analysis of metagenomes (Subsurface Organic Breakdown)	Co-Principal Investigator
Characterization of subsurface extracellular enzymes and the organisms that produce them using metatranscriptomics and bottom-up metaproteomics (Sediment Metaproteomics)	Contact
CAREER: Do extraordinarily long enzyme lifetimes drive microbial community assembly in deep subsurface sediments? (Stable Subsurface Enzymes)	Lead Principal Investigator

Deployment coordination

Deployment	Synonyms	Platform	Role
WOR_2013		White Oak River Station H	Principal Investigator

Datasets

Project: Quantifying the contribution of the deep biosphere in the marine sediment carbon cycle using deep-sea sediment cores from the Baltic Sea

Dataset	Version Date	Current State
Quantitative PCR data from sediment samples from MPSV GREATSHIP MANISHA IODP-347 cruise in the Baltic Sea in 2013 (IODP-347 Microbial Quantification project) Co-Principal Investigator	2016-03-25	Final no updates expected
Drill site locations from MPSV GREATSHIP MANISHA IODP-347 cruise in the Baltic Sea in 2013 (IODP-347 Microbial Quantification project) Co-Principal Investigator	2016-03-24	Final no updates expected

Project: Novel peptidases in subsurface sediments: Activities and substrate specificities

Dataset	Version Date	Current State
Inhibition data for 3 peptidases at Bogue Sound NC and Tennessee River at Knoxville (SEDpep project) Principal Investigator	2016-03-14	Preliminary and in progress
Activities of extracellular peptidases at Station H of the White Oak River (WOR) Station H in 2013 (SEDpep project) Principal Investigator	2016-03-14	Preliminary and in progress
Porewater geochemistry (sulfate, methane, and DIC) from sediments of the White Oak River (WOR), NC, Station H in 2013 (SEDpep project) Principal Investigator	2016-03-11	Preliminary and in progress

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