| http://purl.uniprot.org/citations/36459649 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/36459649 | http://www.w3.org/2000/01/rdf-schema#comment | "De novo lipogenesis is a highly regulated metabolic process, which is known to be activated through transcriptional regulation of lipogenic genes, including fatty acid synthase (FASN). Unexpectedly, we find that the expression of FASN protein remains unchanged during Drosophila larval development from the second to the third instar larval stages (L2 to L3) when lipogenesis is hyperactive. Instead, acetylation of FASN is significantly upregulated in fast-growing larvae. We further show that lysine K813 residue is highly acetylated in developing larvae, and its acetylation is required for elevated FASN activity, body fat accumulation, and normal development. Intriguingly, K813 is autoacetylated by acetyl-CoA (AcCoA) in a dosage-dependent manner independent of acetyltransferases. Mechanistically, the autoacetylation of K813 is mediated by a novel P-loop-like motif (N-xx-G-x-A). Lastly, we find that K813 is deacetylated by Sirt1, which brings FASN activity to baseline level. In summary, this work uncovers a previously unappreciated role of FASN acetylation in developmental lipogenesis and a novel mechanism for protein autoacetylation, through which Drosophila larvae control metabolic homeostasis by linking AcCoA, lysine acetylation, and de novo lipogenesis."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.org/dc/terms/identifier | "doi:10.1073/pnas.2212220119"xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Bai H."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Fujiwara H."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Kim J."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Hsu F.F."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Kang P."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/author | "Miao T."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/date | "2022"xsd:gYear |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/name | "Proc Natl Acad Sci U S A"xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/pages | "e2212220119"xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/title | "Acetyl-CoA-mediated autoacetylation of fatty acid synthase as a metabolic switch of de novo lipogenesis in Drosophila."xsd:string |
| http://purl.uniprot.org/citations/36459649 | http://purl.uniprot.org/core/volume | "119"xsd:string |
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