Stephen J. Giovannoni

Oregon State University

Full Professor(heuristic)

Microbial Community Ecology and Physiology · Ecology

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h-index92
i10-index192
Publications286
Citations37,254

Grants

22 total · 0 active

NSF #1638928

Dimensions: Collaborative Research: Functional and genomic diversity in vitamin B1 metabolism and impacts on plankton networks and productivity

Amount
$700K–$800K
Period
2016-09-01 → 2022-08-31
PIs
1

NSF #1838445

Regulation of nutrient assimilation in streamlined oligotrophic microorganisms

Amount
$400K–$500K
Period
2018-08-15 → 2022-07-31
PIs
1

NSF #1436865

Dissolved Organic Carbon Cycling by SAR11 Marine Bacteria

Amount
$600K–$700K
Period
2014-10-01 → 2019-09-30
PIs
1

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All Grants

22 total · 0 active

NSF #1638928

Dimensions: Collaborative Research: Functional and genomic diversity in vitamin B1 metabolism and impacts on plankton networks and productivity

Amount
$700K–$800K
Period
2016-09-01 → 2022-08-31
PIs
1

NSF #1838445

Regulation of nutrient assimilation in streamlined oligotrophic microorganisms

Amount
$400K–$500K
Period
2018-08-15 → 2022-07-31
PIs
1

NSF #1436865

Dissolved Organic Carbon Cycling by SAR11 Marine Bacteria

Amount
$600K–$700K
Period
2014-10-01 → 2019-09-30
PIs
1

NSF #1243760

Microbial cycling of volatile organic carbon in the marine surface layer

Amount
$200K–$300K
Period
2012-07-15 → 2014-06-30
PIs
2

NSF #0802004

MO: Collaborative Research: Transitions in the Surface Layer and the Role of Vertically Stratified Microbial Communities in the Carbon Cycle- An Oceanic Microbial Observatory

Amount
$400K–$500K
Period
2008-08-15 → 2013-07-31
PIs
1

NSF #0751763

Collaborative Research: The Impact of Pelagibacter on DOM Composition Under Light and Dark Conditions

Amount
$100K–$200K
Period
2008-02-15 → 2012-01-31
PIs
1

NSF #0237713

Microbial Observatories: Collaborative Research Linking Microbial Discovery to Biogeochemical Processes: An Oligotrophic Oceanic Microbial Observatory

Amount
$300K–$400K
Period
2003-04-01 → 2009-02-28
PIs
1

NSF #0237689

Microbial Observatories: Collaborative Research: Microbial Diversity and Function in the Permanently Ice-Covered Lakes of the McMurdo Dry Valleys, Antarctica

Amount
<$100K
Period
2003-06-15 → 2007-05-31
PIs
1

NSF #0207085

Coastal Bacterioplankton Systematics: A High Throughput Culturing Approach

Amount
$300K–$400K
Period
2002-07-15 → 2006-06-30
PIs
2

NSF #0307223

SGER (small grant for exploratory research): Sequencing a Pelagibacter (SAR11) genome

Amount
<$100K
Period
2003-03-15 → 2005-02-28
PIs
2

NSF #0085436

LEXEN: Effects of Microbial Activity on Rates of Basalt Alteration

Amount
$300K–$400K
Period
2001-01-01 → 2004-06-30
PIs
2

NSF #9977930

Collaborative Research on Bacterioplankton Biology and Biogeochemistry at the Bermuda Atlantic Time-series Station: An Oceanic Microbial Observatory

Amount
$200K–$300K
Period
1999-10-01 → 2003-09-30
PIs
1

NSF #9977469

Advanced Microbe Isolation Laboratory

Amount
$200K–$300K
Period
1999-08-15 → 2002-07-31
PIs
2

NSF #9618530

Interactions Between Bacterioplankton Communities and Dissolved Substrates at the Bermuda Atlantic Time Series Study Station

Amount
$200K–$300K
Period
1997-04-01 → 2001-03-31
PIs
1

NSF #9729672

LEXEN: Development of Capability to Measure Proxies of Microbial Activity within Oceanic Crust (Collaborative Research)

Amount
<$100K
Period
1997-10-01 → 2000-09-30
PIs
1

NSF #9902048

Collaborative Research: Time-Series Responses to a Mid- Ocean Ridge Volcanic Event: Juan de Fuca and Gorda Ridges

Amount
<$100K
Period
1999-02-01 → 2000-06-30
PIs
1

NSF #9709012

Spatial, Temporal, and Phylogenetic Structure of Bacterioplankton Communities in Crater Lake, Oregon

Amount
$300K–$400K
Period
1997-07-01 → 2000-06-30
PIs
2

NSF #9816489

SGER: Quantitative Imaging of the Smallest Bacterioplankton Cells, SARII, at the Theoretical Limits of Light Microscopy

Amount
<$100K
Period
1998-09-01 → 1999-08-31
PIs
1

NSF #9016373

Molecular Analyses of the Population Dynamics and Activity of a Newly Identified Bacterioplankton Group: The SAR11 Cluster

Amount
$300K–$400K
Period
1991-03-15 → 1994-08-31
PIs
1

NSF #9020477

In situ Analysis of the Distributions and Phylogeny of Cultivatable and Non-cultivatable Planctomycetales Using Phylogenetic Group-specific RNA Probes

Amount
<$100K
Period
1991-02-01 → 1993-01-31
PIs
1

NSF #8818167

In situ Analyses of the Distributions and Phylogeny of Cultivatable and Non-cultivatable Planctomycetales Using Phylogenetic Group-Specific RNA Probes

Amount
$100K–$200K
Period
1989-01-01 → 1991-06-30
PIs
1

NSF #8600170

PRF: Analysis of Marine Picoplankton by Ribosomal RNA Gene Cloning and Sequencing

Amount
<$100K
Period
1986-07-01 → 1988-06-30
PIs
1

Awarded at Individual Award

Recent Public Signals

  1. New paper: Seasonal patterns of DOM molecules are linked to microbial functions in the oligotrophic ocean (mSystems)2025-12-30
  2. New preprint: Respiration rates of marine prokaryotes and implications for the in vivo INT method2025-07-04

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Data Freshness

  • Publications as of 2026-07-09
  • Grants as of 2026-08-24

Data may not be current

Find elsewhere

Institution / lab homepage Search on ResearchGate

ORCID: 0000-0002-2431-4296

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