Summary of Study ST001514
This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench, https://www.metabolomicsworkbench.org, where it has been assigned Project ID PR001021. The data can be accessed directly via it's Project DOI: 10.21228/M8QM5H This work is supported by NIH grant, U2C- DK119886.
See: https://www.metabolomicsworkbench.org/about/howtocite.php
This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.
| Study ID | ST001514 |
| Study Title | Community metabolomes reflect taxon-specific fingerprints of phytoplankton in the ocean |
| Study Type | Metabolomic survey of 21 phytoplankton species |
| Study Summary | Phytoplankton transform inorganic carbon into thousands of biomolecules, including polar metabolites that represent an important pool of labile fixed carbon, nitrogen, and sulfur. Metabolite production is not identical among phytoplankton, and the flux of these molecules through the microbial loop depends on compound-specific bioavailability to a wider microbial community. Yet relatively little is known about the diversity or concentration of polar metabolites within marine plankton. Here we evaluate 313 metabolites in 21 phytoplankton species and in natural marine particles across environmental gradients to show that bulk community metabolomes reflect the phytoplankton community on a chemical level. |
| Institute | University of Washington |
| Department | Oceanography |
| Laboratory | Ingalls Lab |
| Last Name | Heal |
| First Name | Katherine |
| Address | 1501 NE Boat Street, Marine Science Building, Room G, Seattle, WA, 98195, USA |
| kheal@uw.edu | |
| Phone | 612-616-4840 |
| Submit Date | 2020-10-22 |
| Raw Data Available | Yes |
| Raw Data File Type(s) | mzXML |
| Analysis Type Detail | LC-MS |
| Release Date | 2021-01-25 |
| Release Version | 1 |
Select appropriate tab below to view additional metadata details:
Sample Preparation:
| Sampleprep ID: | SP001596 |
| Sampleprep Summary: | Each sample was extracted using a modified Bligh-Dyer extraction. Briefly, filters were cut up and put into 15 mL teflon centrifuge tubes containing a mixture of 100 µm and 400 µm silica beads. Heavy isotope-labeled internal standards were added along with ~2 mL of cold aqueous solvent (50:50 methanol:water) and ~3 mL of cold organic solvent (dichloromethane). The samples were shaken on a FastPrep-24 Homogenizer for 30 seconds and chilled in a -20°C freezer repeatedly for three cycles of bead-beating and a total of 30 minutes of chilling. The organic and aqueous layers were separated by spinning samples in a centrifuge at 4,300 rpm for 2 minutes at 4°C. The aqueous layer was removed to a new glass centrifuge tube. The remaining organic fraction was rinsed three more times with additions of 1 to 2 mL of cold 50:50 methanol:water. All aqueous rinses were combined for each sample and ~2mL of cold dichloromethane was added to the combined aqueous layer. Tubes were shaken and centrifuged at 4,300 rpm for 2 minutes at 4°C. The aqueous layer was removed to a new glass vial and dried under N2 gas. The remaining organic layer in the bead beating tubes was transferred into the glass centrifuge tube and the bead beating tube was rinsed two more times with cold organic solvent. The combined organic rinses were centrifuged, transferred to a new glass vial, and dried under N2 gas. Dried aqueous fractions were re-dissolved in 380 µL of water. Dried organic fractions were re-dissolved in 380 µL of 1:1 water:acetonitrile. 20 µL of isotope-labeled injection standards in water were added to both fractions. Media blanks were extracted alongside samples as methodological blanks. |
| Processing Storage Conditions: | On ice |
| Extraction Method: | Bligh-Dyer |
| Extract Storage: | -80℃ |
