13C-Isotope Labeling Experiments.

HL Hongde Li
GC Geetanjali Chawla
AH Alexander J. Hurlburt
MS Maria C. Sterrett
OZ Olga Zaslaver
JC James Cox
JK Jonathan A. Karty
AR Adam P. Rosebrock
AC Amy A. Caudy
JT Jason M. Tennessen
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Larvae were incubated in Semi-Defined Food containing 50% U-13C-glucose or 64% (10 mg/mL) of U-13C-proline (Cambridge Isotope Laboratories). Metabolites were detected using GC-MS, and the labeled fraction was calculated as reported previously (39). The isotopologue distributions were corrected based on the natural abundance of elements.

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