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    • <b>Using calorimetry to measure metabolic heat in two dipteran species, </b><b><i>Tetanops myopaeformis</i></b><b> and </b><b><i>Drosophila melanogaster</i></b><b>, exposed to ecologically relevant low temperatures</b>

    Metadata Updated: April 21, 2025

    This dataset contains the raw data (unsubstracted) and the machine normalized (subtracted) output files from calorimetry experiments measuring metabolic heat flow of the sugarbeet root maggot. Both isothermal and scanning calorimetry were employed in this project. The metabolism of the larvae was measured over an ecologically relevant temperature from 10 to -16°C. Quality control graphs are provided for each of the runs. The sugarbeet root maggots were examined with two different types of calorimeters, a model FDCS196 (Linkam Scientific, UK) and a model DSC7000X (Hitachi Global, Japan). The model FDCS196 calorimeter filmed the larvae during the runs, documenting the larvae’s ability to remain mobile down to temperatures just above their freezing point.Despite their fundamentally different designs and algorithms, the two calorimeters gave congruent results. Both calorimeters unexpectedly revealed that the larvae’s metabolic heat flow increased as the temperature decreased. To confirm that our results were not due to equipment error or some misunderstanding on our part, we investigated a similar phenomenon in developing Drosophila melanogaster larvae on the model DSC7000X calorimeter. They gave the same result as the sugarbeet root maggots: increased metabolic heat flow at lower temperatures. This increase in heat flow occurs under both normoxic and anoxic conditions for both species.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: us-pd

    Downloads & Resources

    Dates

    Metadata Created Date March 30, 2024
    Metadata Updated Date April 21, 2025

    Metadata Source

    Harvested from USDA JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 30, 2024
    Metadata Updated Date April 21, 2025
    Publisher Agricultural Research Service
    Maintainer
    Identifier 10.15482/USDA.ADC/25393501.v1
    Data Last Modified 2024-03-22
    Public Access Level public
    Bureau Code 005:18
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id f52039b4-b331-45df-a8d1-82f1ffaa2346
    Harvest Source Id d3fafa34-0cb9-48f1-ab1d-5b5fdc783806
    Harvest Source Title USDA JSON
    License https://www.usa.gov/publicdomain/label/1.0/
    Program Code 005:040
    Source Datajson Identifier True
    Source Hash 54c57033ba6801f9df446ccfd9c2072f9fdf38b6d1784f07c2de869f3bbd5462
    Source Schema Version 1.1
    Temporal 2021-07-28/2024-02-01

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