| Title | Funder | Bigelow Principle Investigator(s) |
| Bacterial dormancy, bacterivory, and bacteriopankton diversity in the ocean | NSF | Stepanauskas, Sieracki |
| ITR Collaborative Research: Interactive software systems for expert-assisted analysis and classification of aquatic particles | NSF | Sieracki, Balch |
| Analysis and classification of aquatic particles COSEE | NSF | Sieracki, Goés, Fields |
| Collaborative Research: The role of phytoplankton ballast material in deterring copepod grazing | NSF | Fields, Sieracki |
| Collaborative Research: Phytoplankton community dynamics and physiological status in the South Atlantic subtropical gyre and Benguela upwelling systems | NSF | Sieracki |
| Collaborative Research: Autonomous measurements of carbon fluxes in the North Atlantic bloom | UME NSF | Sieracki |
| Single cell genome sequencing of uncultured prokaryotes from the South Atlantic mesopelagic | NSF | Stepanauskas, McClellan, Sieracki |
| MRI: Acquisition of equipment for microbial single cell genomics research | NSF MRI | Stepanauskas, McClellan, Sieracki |
| Identification of photoheterotrophic microorganisms in temperate freshwater lakes | NSF | Stepanauskas, Sieracki |
| Ecosystem carbon dynamics in high-latitude seasonal seas of the subarctic North Pacific and North Atlantic | OSU NASA | Sieracki |
| Reducing uncertainty in the marine carbon cycle by coupling satellite and in-water robotic measurements | UME NASA | Sieracki |
| Organic matter metabolism in a coastal ocean ecosystem | NASA | Matrai, Sieracki |
| Facilities to catalyze a center for ocean microbial systems science | MTI | Sieracki |