Drosophila glucome screening identifies Ck1alpha as a regulator of mammalian glucose metabolism

Rupali Ugrankar, Eric Berglund, Fatih Akdemir, Christopher Tran, Min Soo Kim, Jungsik Noh, Rebekka Schneider, Benjamin Ebert, Jonathan M. Graff

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Circulating carbohydrates are an essential energy source, perturbations in which are pathognomonic of various diseases, diabetes being the most prevalent. Yet many of the genes underlying diabetes and its characteristic hyperglycaemia remain elusive. Here we use physiological and genetic interrogations in D. melanogaster to uncover the 'glucome', the complete set of genes involved in glucose regulation in flies. Partial genomic screens of ∼1,000 genes yield ∼160 hyperglycaemia 'flyabetes' candidates that we classify using fat body- and muscle-specific knockdown and biochemical assays. The results highlight the minor glucose fraction as a physiological indicator of metabolism in Drosophila. The hits uncovered in our screen may have conserved functions in mammalian glucose homeostasis, as heterozygous and homozygous mutants of Ck1alpha in the murine adipose lineage, develop diabetes. Our findings demonstrate that glucose has a role in fly biology and that genetic screenings carried out in flies may increase our understanding of mammalian pathophysiology.

Original languageEnglish (US)
Article number7102
JournalNature Communications
Volume6
DOIs
StatePublished - May 21 2015

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Drosophila
regulators
metabolism
Metabolism
glucose
Screening
hyperglycemia
screening
Medical problems
Diptera
genes
Glucose
Genes
Hyperglycemia
homeostasis
Fat Body
interrogation
carbohydrates
fats
Genetic Testing

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Drosophila glucome screening identifies Ck1alpha as a regulator of mammalian glucose metabolism. / Ugrankar, Rupali; Berglund, Eric; Akdemir, Fatih; Tran, Christopher; Kim, Min Soo; Noh, Jungsik; Schneider, Rebekka; Ebert, Benjamin; Graff, Jonathan M.

In: Nature Communications, Vol. 6, 7102, 21.05.2015.

Research output: Contribution to journalArticle

Ugrankar, Rupali ; Berglund, Eric ; Akdemir, Fatih ; Tran, Christopher ; Kim, Min Soo ; Noh, Jungsik ; Schneider, Rebekka ; Ebert, Benjamin ; Graff, Jonathan M. / Drosophila glucome screening identifies Ck1alpha as a regulator of mammalian glucose metabolism. In: Nature Communications. 2015 ; Vol. 6.
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