Summary of Study ST001222

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 PR000799. The data can be accessed directly via it's Project DOI: 10.21228/M8D98R This work is supported by NIH grant, U2C- DK119886.

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Study IDST001222
Study TitleEffects of selenate and cadmium exposure on the honey bee metabolome (part-II)
Study SummaryWe moved one frame of brood each from five healthy honey bee colonies with marked Italian queens and housed them in a hive body at 35°C and 50% humidity under constant darkness. We then allowed the bees to emerge, mixed the newly emerged workers (NEWs) to randomize their colony of origin and placed NEWs into 13 cm x 10.5 cm x 6.5 cm wire cages equipped with feeders containing 35mL of deionized water and 35mL 50% sucrose. We also provided a pollen patty to each cage of bees consisting of 269g corn syrup, 113g sucrose and 113g of Bee Pro (Mann Lake, Hackensack, MN). To inoculate the newly emerged workers with their “core” microbiome, we collected 50 mL of foragers from the source hives of the NEWs, immobilized the bees at 4°C, aseptically dissected out the abdomens and macerated the whole abdomens in 50% sucrose. We added 1 mL of the resulting slurry to 34 mL of 50% sucrose solution and fed it to the NEWs. We allowed the bees to feed ad libitium on the mixture for two days before replacing the feeders with 50% sucrose. We allowed the bees to feed for three more days to fully establish a microbiome. Once the bees had an established microbiome, we prepared treatment feeding solutions of 50% sucrose (as a no metal/metalloid control), 50% sucrose spiked with 0.6 mg/L sodium selenate or 50% sucrose with 0.24 mg/L cadmium chloride (Alfa Aesar, Ward Hill, MA) and pollen patties spiked with either 6.0 mg/L selenium or 0.46 mg/L cadmium as in Hladun et al 2015. We again allowed the bees to feed ad libitium. We sampled three bees from 13 cages after four days of continuous exposure to the above-mentioned treatments and immediately placed the samples on dry ice, followed by long-term storage at -80 °C.
Institute
University of California, Riverside
Last NameRothman
First NameJason
Address900 University Ave.
Emailjroth002@ucr.edu
Phone9518275817
Submit Date2019-07-17
Raw Data AvailableYes
Raw Data File Type(s)raw(Waters)
Analysis Type DetailLC-MS
Release Date2019-09-23
Release Version1
Jason Rothman Jason Rothman
https://dx.doi.org/10.21228/M8D98R
ftp://www.metabolomicsworkbench.org/Studies/ application/zip

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Treatment:

Treatment ID:TR001304
Treatment Summary:Once the bees had an established microbiome, we prepared treatment feeding solutions of 50% sucrose (as a no metal/metalloid control), 50% sucrose spiked with 0.6 mg/L sodium selenate or 50% sucrose with 0.24 mg/L cadmium chloride (Alfa Aesar, Ward Hill, MA) and pollen patties spiked with either 6.0 mg/L selenium or 0.46 mg/L cadmium and allowed the bees to feed ad libitium.
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