Related Experiment Video
Updated: May 21, 2025
06:02
A Low-Cost Method of Measuring the In Situ Primary Productivity of Periphyton Communities of Lentic Waters
Published on: December 16, 2022
1.8K
Proportional relationship between transcript concentrations and carbon biomass for open ocean plankton groups
Sacha N Coesel1, Shiri Graff van Creveld1, Mathilde Dugenne2
1School of Oceanography, University of Washington, Seattle, WA 98195, United States.
The ISME Journal
|April 30, 2025
Summary
Marine plankton
Area of Science:
- Marine microbial ecology
- Biogeochemical cycling
- Metatranscriptomics
Background:
- Unicellular plankton are crucial for marine food webs and carbon fixation.
- Carbon biomass is a key ecological metric, but linking it to molecular data is challenging.
- Metatranscriptomic data offers taxonomic and functional insights into marine ecosystems.
Purpose of the Study:
- To establish a quantitative relationship between metattranscriptomic data and carbon biomass.
- To develop methods for integrating transcriptomic data into ecological models.
- To address biases in metattranscriptomic data interpretation.
Main Methods:
- Quantitative metattranscriptome sequencing of 30 samples.
- Carbon biomass estimation using Imaging FlowCytobot.
- Statistical analysis of transcript concentration versus biomass data.
Main Results:
- A robust, proportional relationship was found between transcript concentration and carbon biomass across protist taxa.
- Dinoflagellates showed a significantly higher transcript-to-biomass ratio (~6.4-fold) compared to other protists.
- This relationship allows for better interpretation of metattranscriptomic data in ecological contexts.
Conclusions:
- Metattranscriptomic data can be quantitatively linked to carbon biomass in marine plankton.
- Understanding taxon-specific transcript-to-biomass ratios is crucial for accurate ecological modeling.
- This study enhances the integration of molecular data into marine ecosystem research.
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