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OCB Scoping Workshop: Improving predictive biogeochemical models through single cell-based analyses of marine plankton physiological plasticity, genetic diversity and evolutionary processes

On This Page:

  • Agenda
  • Scientific Steering Committee
  • Participants
  • Related Literature
  • Logistics

Bigelow Laboratory for Ocean Sciences, May 28-30, 2014

The global ocean is currently undergoing significant changes, from the acidification of surface seawater to expansion of mid-water oxygen minimum zones to changes in vertical stratification and nutrient inputs.  Understanding these present changes and prediction of their impact on marine plankton-driven biogeochemical processes requires detailed information at the level of the individual organism, such as their physiological traits, characteristics, rate processes and plasticity to respond to environmental change.  Recent progress in various single cell and population-level analytical techniques offers an opportunity to bridge this knowledge gap.

This scoping workshop brought together scientists with complementary interests in observing and/or modeling specific traits and physiological characteristics and rates in marine plankton. The objectives of the workshop were to summarize our current state of knowledge of physiological observations in single cells and taxonomic populations from the environment, identify impediments to filling this knowledge gap (including data handling and analysis), and discuss future research areas. The workshop provided opportunities for the ocean science community to formulate a forward-looking vision on future research directions regarding the roles of genetic diversity, physiological plasticity and evolutionary processes in marine biogeochemical cycles.

Workshop Products

Several workshop participants contributed to published papers that emerged from discussions that took place at the workshop:

Baker, K. G., C. M. Robinson, D. T. Radford, A. S. McInnes, C. Evenhuis, M. A. Doblin (2016). Thermal Performance Curves of Functional Traits Aid Understanding of Thermally Induced Changes in Diatom-Mediated Biogeochemical Fluxes. Front. Mar. Sci., https://doi.org/10.3389/fmars.2016.00044.

Kujawinski, E. B., K. Longnecker, K. L. Barott, R. J. M. Weber, M. C. Kido Soule (2016). Microbial Community Structure Affects Marine Dissolved Organic Matter Composition. Front. Mar. Sci., https://doi.org/10.3389/fmars.2016.00045.

Krupke, A., L. R. Hmelo, J. E. Ossolinski, T. J. Mincer, B. A. S. Van Mooy (2016). Quorum Sensing Plays a Complex Role in Regulating the Enzyme Hydrolysis Activity of Microbes Associated with Sinking Particles in the Ocean. Front. Mar. Sci., https://doi.org/10.3389/fmars.2016.00055.

Related Files

  • Meeting proposal

Agenda

Title: Improving biogeochemical models through single cell-based analyses of marine plankton physiological plasticity, genetic diversity and evolutionary processes

Tuesday May 27

Attendees arrive to Boothbay Harbor and settle into Rocktide Inn

              Dinner on your own

Wednesday May 28

0800      Shuttle Bus outside Rocktide Inn

0815      Light Breakfast/Coffee at Bigelow Laboratory, on the Mezzanine

0900      Welcome by Bigelow Executive Director, Graham Shimmield

0915      Introduction to the Workshop, goals, objectives and products, Mike Lomas

1000      Plenary #1, Elena Litchman, MSU, Microbial traits and trade-offs: implications for community structure and
biogeochemistry

1100      Coffee Break

1130       Define breakout session topic #1, specific questions and strategy

Assign breakout groups and meeting rooms

1200      Lunch in the Commons – catered by Center Café

1300      Head to breakout rooms, Breakout group discussion #1

1515      Coffee Break – Mezzanine

1545      Plenary:  Short (~15 min/group) presentation and Q & A session from  each breakout group
on Breakout Topic #1

1700      Social

1800      Dinner in the Commons – catered by Center Café

2000      Shuttle Bus to Rocktide Inn

Thursday May 29

0800      Shuttle Bus outside Rocktide Inn

0815      Light Breakfast at Bigelow Laboratory, on the Mezzanine

0845      Brief introduction to the day

0900      Plenary #2, Dave Hutchins, USC, Taxon-specific biogeochemistry in a changing marine environment

1000      Coffee Break

1015      Define breakout session topic #2 and specific questions, divide into 4 breakout groups
and head to assigned rooms

1030      Breakout group discussion #2

1245      Lunch in the Commons – catered by East Boothbay General Store

1345      Plenary #3, Tatiana Rynearson, URI, Genetics, evolution, and the impact on biogeochemistry

1445      Define breakout session topic #3 and specific questions, divide into 4 breakout groups and assigned rooms

1500      Breakout group discussion #3

1700      Shuttle Bus to Coastal Maine Botanical Gardens – Dinner catered by Blue Elephant

2030      Shuttle Bus return to Rocktide Inn

 

Friday  May 30

0730 and 0800   Shuttle Bus outside Rocktide Inn

0815      Light Breakfast at Bigelow Laboratory, on the Mezzanine

0845      Brief introduction to the day

0900      Plenary:  Short (~15 min/group) presentation and Q & A session
from each breakout group on Breakout Topic #2

1000      Coffee Break

1015      Plenary:  Short (~15 min/group) presentation and Q & A session from each breakout
group on Breakout Topic #3

1115      Meeting Wrap Up:  identification of small working groups to lead efforts to complete workshop products

1200      Meeting Adjourns

Box lunches

Shuttle Bus back to Rocktide Inn for those not leaving until later

1400      Shuttle Bus from Bigelow to Portland Airport

Saturday May 31

1030       Shuttle Bus from Rocktide Inn to Portland Airport

 

Related Files

  • Final Agenda
  • Breakout Questions

Scientific Steering Committee

Chair: Mike Lomas, Bigelow Laboratory for Ocean Science

Stephanie Dutkiewicz, MIT

Steve Giovannoni, Oregon State University

Adrian Marchetti, University of North Carolina at Chapel Hill

Adam Martiny, University of California Irvine

Susanne Neuer, Arizona State University

Ramunas Stepanauskas, Bigelow Laboratory for Ocean Science

Allison Taylor, University North Carolina – Wilmington

Ben Twining, Bigelow Laboratory for Ocean Science

Science Themes and Workshop Structure

The focus of this workshop is to synthesize information from single cell methods (e.g., single-cell X-ray fluorescence, NanoSIMS) and methods that resolve discrete populations (e.g., flow cytometric sorting and secondary analyses), identify unique biological traits at these levels, and determine what those traits mean to ocean biogeochemistry now and in the future.  The success of this workshop will come from bringing together scientists with a broad set of skills and points of view, with the overarching focus on the use of single cell-level analyses in ecosystem-level models.

This OCB scoping workshop is focused around two interrelated broad themes:

1) Taxon-specific physiological responses of marine microbes and phytoplankton in the current and a changing environment;

2) Interactions and feedbacks between plankton physiological plasticity and taxonomic diversity and the impact on global ocean biogeochemical cycles

 

Breakout group discussions will be centered on the following questions:

1) What are the ranges and controls on taxon-specific nutrient uptake rates, elemental quotas and standing stocks?

2) Do taxonomic diversity and physiological plasticity have similar or different impacts on ocean biogeochemistry, particularly the production and export of particulate organic matter from the surface ocean?

3) What roles do taxonomic diversity and physiological plasticity play in governing the response of planktonic communities to environmental stressors, for example, oxygen minimum zones, ocean acidification, ocean warming, stratification and changing nutrient concentrations?

4) What type of single cell-specific and population-level data is required for the mechanistic understanding and predictive modeling of marine biogeochemistry? How does it compare to the data collected now? Can we recommend improvements?

Each breakout group will be tasked with collating information on several points to further enhance the continuity between groups and relationships to the broader themes.  Specifically, each group will 1) summarize current state of knowledge; 2) identify limitations to forward progress on the topic; and 3) describe appropriate and suitable sampling platforms and technologies, and 4) propose strategies for moving the field forward.

Participants

Name Position / Role Institution
Mike Lomas Faculty, Steering Committee Bigelow Laboratory for Ocean Sciences
Ben Twining Faculty, Steering Committee Bigelow Laboratory for Ocean Sciences
Ramunas Stepanauskas Faculty, Steering Committee Bigelow Laboratory for Ocean Sciences
Alison Taylor Faculty, Steering Committee University of North Carolina - Wilmington
Steve Giovannoni Faculty, Steering Committee Oregon State University
Adrian Marchetti Faculty, Steering Committee University of North Carolina - Chapel Hill
Adam Martiny Faculty, Steering Committee University of California - Irvine
Susanne Neuer Faculty, Steering Committee Arizona State University
Stephanie Dutkiewicz Faculty, Steering Committee Massachusetts Institute of Technology
Harriet Alexander PhD Student Woods Hole Oceanographic Institution
Bridget Bachman PhD Student University of South Carolina
Steven Baer Post Doc Bigelow Laboratory for Ocean Sciences
Heather Benway OCB Office Woods Hole Oceanographic Institution
Jeff Bowman PhD Student U Washington
Emily Brownlee PhD Student Woods Hole Oceanographic Institution
Craig Carlson Faculty University of California - Santa Barbara
Cyndy Chandler BCO-DMO Office Woods Hole Oceanographic Institution
Dreux Chappell Faculty Old Dominion University
Natalie Cohen PhD Student University of North Carolina - Chapel Hill
Pete Countway Faculty Bigelow Laboratory for Ocean Sciences
Ferdi Hellweger Faculty Northeastern University
Tristan Horner Faculty Woods Hole Oceanographic Institution
Dave Hutchins Faculty, Plenary Speaker University of Southern California
Annette Hynes Post Doc University of Georgia
Maria Deborah Iglesias-Rodriguez Faculty University of California - Santa Barbara
Jeremy Jacquot Post Doc Bigelow Laboratory for Ocean Sciences
Bethany Jenkins Faculty University of Rhode Island
Andew King Faculty Norsk institutt for Vannforskning (NIVA)
Elizabeth Kujawinski Faculty Woods Hole Oceanographic Institution
Jessica Labonte Post Doc Bigelow Laboratory for Ocean Sciences
Elena Litchman Faculty, Plenary Speaker Michigan State University
Susanne Menden-Deuer Faculty University of Rhode Island
Dan Ohnemus Post Doc Bigelow Laboratory for Ocean Sciences
Nicole Poulton Research Scientist Bigelow Laboratory for Ocean Sciences
Nick Record Faculty Bigelow Laboratory for Ocean Sciences
Tammi Richardson Faculty University of South Carolina
Julie Robidart Post Doc University of California - Santa Cruz
Tatiana Rynearson Faculty, Plenary Speaker University of Rhode Island
Mak Saito Faculty Woods Hole Oceanographic Institution
Heidi Sosik Faculty Woods Hole Oceanographic Institution
Diane Stoecker Faculty Umaryland
Brandon Swan Post Doc Bigelow Laboratory for Ocean Sciences
Agathe Talarmin Post Doc University of California - Irvine
Gordon Taylor Faculty Stony Brook University
Mridul Thomas Post Doc Swiss Federal Institute of Aquatic Science and Technology
LeAnn Whitney Post Doc Bigelow Laboratory for Ocean Sciences
Susanne Wilken Post Doc Monterey Bay Aquarium and Research Institute
Ying Zhang Faculty University of Rhode Island
Amy Zimmerman Post Doc Monterey Bay Aquarium and Research Institute
Jon Kaye Program Manager Gordon and Betty Moore Foundation
Sara Paver (Sea Grant Fellow) Program Manager NSF
Mike Sieracki Program Manager NSF
Ajit Subramanian Program Manager Gordon and Betty Moore Foundation

Related Files

  • Participant List

Related Literature

Baines, S.B., B.S. Twining, M.A. Brzezinski, D.M. Nelson, and N.S. Fisher. 2010. The causes and biogeochemical implications of regional differences in silicification of marine diatoms. Global Biogeochemical Cycles. doi: 10.1029/2010GB003856.

Casey, J., Lomas, M.W., Mandecki, J., and Walker, D.E.  2007.  Prochlorococcus contributes to new production in the Sargasso Sea deep chlorophyll maximum.  Geophysical Research Letters, 34, L10604, doi:10.1029/2006GL028725.

Grote,G., Thrash, J.C., Huggett, M.J., Landry, .Z.C., Carini, P., Giovannoni, S.J., Rappé, M.S. 2012. Streamlining and Core Genome Conservation among Highly Divergent Members of the SAR11 Clade. mBio. 3, doi:10.1128/mBio.00252-12.

Fawcett, S.E., Lomas, M.W., Casey, J.R., Ward, B.B., Sigman, D.M. 2011. Eukaryotes dominate new production in the Sargasso Sea.  Nature Geosciences, 4: 717-722.

Follows, M.J., Dutkiewicz, S., 2011. Modeling diverse communities of marine microbes. Annual Review of Marine Science 3, 427-451.

Martiny, A.C., Pham, C.,Primeau, F., Vrugt, J., Levin, S., Lomas, M.W. 2013. Strong latitudinal patterns in elemental composition of marine plankton and organic matter. Nature Geoscience. 6:279-283.

Mincer, T.J., Church, M.J., Taylor, L.T., Preston, C., Karl, D.M., DeLong, E.F. 2007. Quantitative distribution of presumptive archaeal and bacterial nitrifiers in Monterey Bay and the North Pacific Subtropical Gyre. Environmental Microbiology, 9: 1162-1175.

Shapiro, B.J., Freidman, J., Cordero, O.X., Preheim, S.P., Timberlake, S.C., Szabo, G., Polz, M.F., Alm, E.J. 2012. Population Genomics of Early Events in the Ecological Differentiation of Bacteria. Science, 336, 48: DOI: 10.1126/science.1218198.

Swan, B.K., Martinez-Garcia, M., Preston, C.M., Sczyrba,A., Woyke, T., Lamy, D., Reinthaler, T., Poulton, N.J., Masland, E.D.P., Gomez, M.L., Sieracki, M.E., DeLong, E.F., Herndl, G.J., Stepanauskas1, R. 2011. Potential for Chemolithoautotrophy Among Ubiquitous Bacteria Lineages in the Dark Ocean. Science, 333, DOI: 10.1126/science.1203690.

Stepanauskas, R. 2011. Potential for Chemolithoautotrophy Among Ubiquitous Bacteria Lineages in the Dark Ocean. Science, 333, DOI: 10.1126/science.1203690.

Twining, B.S., D. Nuñez-Milland, S. Vogt, R.S. Johnson, and P.N. Sedwick. 2010. Variations in Synechococcus cell quotas of phosphorus, sulfur, manganese, iron, nickel and zinc within mesoscale eddies in the Sargasso Sea. Limnology & Oceanography. 55: 492-506.

Logistics

Meeting Site
The meeting was held at the Bigelow Laboratory for Ocean Sciences, 60 Boothbay Drive, East Boothbay Harbor, Maine.

The closest airport is Portland International Airport (PWM) in Maine.

Travel Reimbursement
Invitees will have airfare covered, as will students and post-docs, but accepted applicants will have to pay for their own airfare.

We will be paying directly to the hotel for lodging for everyone. Meals at the meeting will be covered for everyone.

Hotel
Lodging will be at the Rocktide Inn, 35 Atlantic Avenue, East Boothbay Harbor, Maine. We will be giving the Inn a lodging list starting with check in on May 27 and check out on May 31. Please contact Mary Zawoysky at mzawoysky@whoi.edu if you would like different dates.  We will be paying directly to the hotel for 4 nights for each participant. If you would like to extend your stay the cost per night is $79 plus an 8% lodging tax.

The Inn does not have an elevator, so please make sure to alert Mary Zawoysky by emailing mzawoysky@whoi.edu if you need to be on the first floor of the Inn.

Directions
Directions can be found at:
https://www.bigelow.org/about-bigelow-laboratory/directions/

Related Files

  • Airport Shuttle Schedule
  • Restaurant List
  • Map

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Funding for the Ocean Carbon & Biogeochemistry Project Office is provided by the National Science Foundation (NSF) and the National Aeronautics and Space Administration (NASA). The OCB Project Office is housed at the Woods Hole Oceanographic Institution.