Accessing BCO-DMO data
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| Dataset Title: | [Synechococcus fluorescence emission spectra] - Fluorescence spectra for 3 strains of Synechococcus while increasing temperatures to detect the photosystem components disassociation temperature (Dimensions: Collaborative Research: Genetic, functional and phylogenetic diversity determines marine phytoplankton community responses to changing temperature and nutrients) 
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| Institution: | BCO-DMO (Dataset ID: bcodmo_dataset_782322) |
| Information: | Summary
| License
| ISO 19115
| Metadata
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| Files
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![[The graph you specified. Please be patient.]](https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_782322.png?Temperature,Em_nm&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7C%7C%7C%7C%7C&.bgColor=0xffccccff)
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Attributes {
s {
Temperature {
Byte _FillValue 127;
String _Unsigned "false";
Byte actual_range 22, 57;
String bcodmo_name "temperature";
String description "experimental temperature";
String long_name "Temperature";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/";
String units "degrees Celsius";
}
Em_nm {
Int16 _FillValue 32767;
Int16 actual_range 550, 714;
String bcodmo_name "wavelength";
String description "Experimental wavelength";
String long_name "Em Nm";
String units "nanometers";
}
LA31_A {
Float32 _FillValue NaN;
Float32 actual_range -832.303, 439.577;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA31 subsample A";
String long_name "LA31 A";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA31_B {
Float32 _FillValue NaN;
Float32 actual_range -621.302, 450.052;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA31 subsample B";
String long_name "LA31 B";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA31_C {
Float32 _FillValue NaN;
Float32 actual_range -31.349, 523.538;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA31 subsample C";
String long_name "LA31 C";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA126_A {
Float32 _FillValue NaN;
Float32 actual_range -1046.895, 456.057;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA126 subsample A";
String long_name "LA126 A";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA126_B {
Float32 _FillValue NaN;
Float32 actual_range -9.916, 571.553;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA126 subsample B";
String long_name "LA126 B";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA126_C {
Float64 _FillValue NaN;
Float64 actual_range -11.731, 13308.723;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA126 subsample C";
String long_name "LA126 C";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA127_A {
Float32 _FillValue NaN;
Float32 actual_range -13.41, 5481.022;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA127 subsample A";
String long_name "LA127 A";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA127_B {
Float32 _FillValue NaN;
Float32 actual_range -1068.847, 375.704;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA127 subsample B";
String long_name "LA127 B";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
LA127_C {
Float64 _FillValue NaN;
Float64 actual_range -14.4, 16090.617;
String bcodmo_name "fluorescence";
String description "Percentage change in fluorescence emission at 530nm excitation for strain LA127 subsample C";
String long_name "LA127 C";
String nerc_identifier "https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/";
String units "percent";
}
}
NC_GLOBAL {
String access_formats ".htmlTable,.csv,.json,.mat,.nc,.tsv";
String acquisition_description
"Natural seawater was enriched for photoautotrophs and split into multiple
temperatures for two weeks. After the enrichment period, Synechococcus was
isolated from each temperature. Each isolate's thermal niche was measured
through a series of lab experiments and sequenced.
200ml of dense culture was concentrated by centrifuging 25,000 x g for 15
minutes. The subsequent cell pellet was resuspended in 5ml of sterile growth
media. Cell concentrate was dark acclimated for 10 minutes and 200ul was used
to measure the fluorescence spectra. After each measurement, the temperature
increased and cells were dark acclimated at that temperature for an additional
10 minutes. This continued until the fluorescence decreased to ~0 indicating
the disassociation of the photosynthetic apparatus. This was done following
the methods published in Pittera et al., 2017.";
String awards_0_award_nid "712792";
String awards_0_award_number "OCE-1638804";
String awards_0_data_url "http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1638804";
String awards_0_funder_name "NSF Division of Ocean Sciences";
String awards_0_funding_acronym "NSF OCE";
String awards_0_funding_source_nid "355";
String awards_0_program_manager "Michael E. Sieracki";
String awards_0_program_manager_nid "50446";
String cdm_data_type "Other";
String comment
"Fluorescence spectra
for 3 strains of newly isolated marine Synechococcus distinct genotypes
related to their accessory pigments while temperatures were increased to detect
the photosystem components disassociation temperature.
PI: D. Hutchins (USC)
version date: 2019-11-20";
String Conventions "COARDS, CF-1.6, ACDD-1.3";
String creator_email "info@bco-dmo.org";
String creator_name "BCO-DMO";
String creator_type "institution";
String creator_url "https://www.bco-dmo.org/";
String data_source "extract_data_as_tsv version 2.3 19 Dec 2019";
String dataset_current_state "Final and no updates";
String date_created "2019-11-21T14:03:29Z";
String date_modified "2020-03-09T13:35:16Z";
String defaultDataQuery "&time<now";
String doi "10.1575/1912/bco-dmo.782322.1";
String history
"2024-11-14T22:14:55Z (local files)
2024-11-14T22:14:55Z https://erddap.bco-dmo.org/tabledap/bcodmo_dataset_782322.das";
String infoUrl "https://www.bco-dmo.org/dataset/782322";
String institution "BCO-DMO";
String instruments_0_dataset_instrument_description "Used to measure the fluorescence spectra";
String instruments_0_dataset_instrument_nid "783245";
String instruments_0_description "Plate readers (also known as microplate readers) are laboratory instruments designed to detect biological, chemical or physical events of samples in microtiter plates. They are widely used in research, drug discovery, bioassay validation, quality control and manufacturing processes in the pharmaceutical and biotechnological industry and academic organizations. Sample reactions can be assayed in 6-1536 well format microtiter plates. The most common microplate format used in academic research laboratories or clinical diagnostic laboratories is 96-well (8 by 12 matrix) with a typical reaction volume between 100 and 200 uL per well. Higher density microplates (384- or 1536-well microplates) are typically used for screening applications, when throughput (number of samples per day processed) and assay cost per sample become critical parameters, with a typical assay volume between 5 and 50 µL per well. Common detection modes for microplate assays are absorbance, fluorescence intensity, luminescence, time-resolved fluorescence, and fluorescence polarization. From: https://en.wikipedia.org/wiki/Plate_reader, 2014-09-0-23.";
String instruments_0_instrument_name "plate reader";
String instruments_0_instrument_nid "528693";
String instruments_0_supplied_name "SpectraMax m2 (Molecular Devices, CA)";
String instruments_1_dataset_instrument_description "Used to create a pellet of cells.";
String instruments_1_dataset_instrument_nid "783248";
String instruments_1_description "A machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities (e.g., cream from milk) or liquids from solids.";
String instruments_1_instrument_name "Centrifuge";
String instruments_1_instrument_nid "629890";
String instruments_1_supplied_name "centrifuge";
String keywords "bco, bco-dmo, biological, chemical, data, dataset, dmo, Em_nm, erddap, la126, LA126_A, LA126_B, LA126_C, la127, LA127_A, LA127_B, LA127_C, la31, LA31_A, LA31_B, LA31_C, management, oceanography, office, preliminary, temperature";
String license "https://www.bco-dmo.org/dataset/782322/license";
String metadata_source "https://www.bco-dmo.org/api/dataset/782322";
String param_mapping "{'782322': {}}";
String parameter_source "https://www.bco-dmo.org/mapserver/dataset/782322/parameters";
String people_0_affiliation "University of Southern California";
String people_0_affiliation_acronym "USC";
String people_0_person_name "David A. Hutchins";
String people_0_person_nid "51048";
String people_0_role "Principal Investigator";
String people_0_role_type "originator";
String people_1_affiliation "Woods Hole Oceanographic Institution";
String people_1_affiliation_acronym "WHOI BCO-DMO";
String people_1_person_name "Nancy Copley";
String people_1_person_nid "50396";
String people_1_role "BCO-DMO Data Manager";
String people_1_role_type "related";
String project "Phytoplankton Community Responses";
String projects_0_acronym "Phytoplankton Community Responses";
String projects_0_description
"NSF Award Abstract:
Photosynthetic marine microbes, phytoplankton, contribute half of global primary production, form the base of most aquatic food webs and are major players in global biogeochemical cycles. Understanding their community composition is important because it affects higher trophic levels, the cycling of energy and elements and is sensitive to global environmental change. This project will investigate how phytoplankton communities respond to two major global change stressors in aquatic systems: warming and changes in nutrient availability. The researchers will work in two marine systems with a long history of environmental monitoring, the temperate Narragansett Bay estuary in Rhode Island and a subtropical North Atlantic site near Bermuda. They will use field sampling and laboratory experiments with multiple species and varieties of phytoplankton to assess the diversity in their responses to different temperatures under high and low nutrient concentrations. If the diversity of responses is high within species, then that species may have a better chance to adapt to rising temperatures and persist in the future. Some species may already be able to grow at high temperatures; consequently, they may become more abundant as the ocean warms. The researchers will incorporate this response information in mathematical models to predict how phytoplankton assemblages would reorganize under future climate scenarios. Graduate students and postdoctoral associates will be trained in diverse scientific approaches and techniques such as shipboard sampling, laboratory experiments, genomic analyses and mathematical modeling. The results of the project will be incorporated into K-12 teaching, including an advanced placement environmental science class for underrepresented minorities in Los Angeles, data exercises for rural schools in Michigan and disseminated to the public through an environmental journalism institute based in Rhode Island.
Predicting how ecological communities will respond to a changing environment requires knowledge of genetic, phylogenetic and functional diversity within and across species. This project will investigate how the interaction of phylogenetic, genetic and functional diversity in thermal traits within and across a broad range of species determines the responses of marine phytoplankton communities to rising temperature and changing nutrient regimes. High genetic and functional diversity within a species may allow evolutionary adaptation of that species to warming. If the phylogenetic and functional diversity is higher across species, species sorting and ecological community reorganization is likely. Different marine sites may have a different balance of genetic and functional diversity within and across species and, thus, different contribution of evolutionary and ecological responses to changing climate. The research will be conducted at two long-term time series sites in the Atlantic Ocean, the Narragansett Bay Long-Term Plankton Time Series and the Bermuda Atlantic Time Series (BATS) station. The goal is to assess intra- and inter-specific genetic and functional diversity in thermal responses at contrasting nutrient concentrations for a representative range of species in communities at the two sites in different seasons, and use this information to parameterize eco-evolutionary models embedded into biogeochemical ocean models to predict responses of phytoplankton communities to projected rising temperatures under realistic nutrient conditions. Model predictions will be informed by and tested with field data, including the long-term data series available for both sites and in community temperature manipulation experiments. This project will provide novel information on existing intraspecific genetic and functional thermal diversity for many ecologically and biogeochemically important phytoplankton species, estimate generation of new genetic and functional diversity in evolution experiments, and develop and parameterize novel eco-evolutionary models interfaced with ocean biogeochemical models to predict future phytoplankton community structure. The project will also characterize the interaction of two major global change stressors, warming and changing nutrient concentrations, as they affect phytoplankton diversity at functional, genetic, and phylogenetic levels. In addition, the project will develop novel modeling methodology that will be broadly applicable to understanding how other types of complex ecological communities may adapt to a rapidly warming world.";
String projects_0_end_date "2020-09";
String projects_0_geolocation "Narragansett Bay, RI and Bermuda, Bermuda Atlantic Time-series Study (BATS)";
String projects_0_name "Dimensions: Collaborative Research: Genetic, functional and phylogenetic diversity determines marine phytoplankton community responses to changing temperature and nutrients";
String projects_0_project_nid "712787";
String projects_0_start_date "2016-10";
String publisher_name "Biological and Chemical Oceanographic Data Management Office (BCO-DMO)";
String publisher_type "institution";
String sourceUrl "(local files)";
String standard_name_vocabulary "CF Standard Name Table v55";
String summary "Fluorescence spectra from 600-700nm at 530nm excitation for 3 strains of Synechococcus while increasing temperatures to detect the photosystem components disassociation temperature.";
String title "[Synechococcus fluorescence emission spectra] - Fluorescence spectra for 3 strains of Synechococcus while increasing temperatures to detect the photosystem components disassociation temperature (Dimensions: Collaborative Research: Genetic, functional and phylogenetic diversity determines marine phytoplankton community responses to changing temperature and nutrients)";
String version "1";
String xml_source "osprey2erddap.update_xml() v1.5";
}
}
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