Zc3h13/Flacc is required for adenosine methylation by bridging the mRNA-binding factor Rbm15/Spenito to the m6A machinery component Wtap/Fl(2)d

N6-methyladenosine (m6A) is the most abundant mRNA modification in eukaryotes, playing crucial roles in multiple biological processes. m6A is catalyzed by the activity of methyltransferase-like 3 (Mettl3), which depends on additional proteins whose precise functions remain poorly understood. Here we...

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Published in:Genes & development 2018-03, Vol.32 (5-6), p.415-429
Main Authors: Knuckles, Philip, Lence, Tina, Haussmann, Irmgard U, Jacob, Dominik, Kreim, Nastasja, Carl, Sarah H, Masiello, Irene, Hares, Tina, Villaseñor, Rodrigo, Hess, Daniel, Andrade-Navarro, Miguel A, Biggiogera, Marco, Helm, Mark, Soller, Matthias, Bühler, Marc, Roignant, Jean-Yves
Format: Article
Language:English
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Research Paper
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Summary:N6-methyladenosine (m6A) is the most abundant mRNA modification in eukaryotes, playing crucial roles in multiple biological processes. m6A is catalyzed by the activity of methyltransferase-like 3 (Mettl3), which depends on additional proteins whose precise functions remain poorly understood. Here we identified Zc3h13 (zinc finger CCCH domain-containing protein 13)/Flacc [Fl(2)d-associated complex component] as a novel interactor of m6A methyltransferase complex components in Drosophila and mice. Like other components of this complex, Flacc controls m6A levels and is involved in sex determination in Drosophila We demonstrate that Flacc promotes m6A deposition by bridging Fl(2)d to the mRNA-binding factor Nito. Altogether, our work advances the molecular understanding of conservation and regulation of the m6A machinery.
ISSN:0890-9369
1549-5477
DOI:10.1101/gad.309146.117