CMTr cap-adjacent 2'-O-ribose mRNA methyltransferases are required for reward learning and mRNA localization to synapses.


Journal

Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555

Informations de publication

Date de publication:
08 03 2022
Historique:
received: 27 01 2021
accepted: 18 01 2022
entrez: 9 3 2022
pubmed: 10 3 2022
medline: 14 4 2022
Statut: epublish

Résumé

Cap-adjacent nucleotides of animal, protist and viral mRNAs can be O-methylated at the 2' position of the ribose (cOMe). The functions of cOMe in animals, however, remain largely unknown. Here we show that the two cap methyltransferases (CMTr1 and CMTr2) of Drosophila can methylate the ribose of the first nucleotide in mRNA. Double-mutant flies lack cOMe but are viable. Consistent with prominent neuronal expression, they have a reward learning defect that can be rescued by conditional expression in mushroom body neurons before training. Among CMTr targets are cell adhesion and signaling molecules. Many are relevant for learning, and are also targets of Fragile X Mental Retardation Protein (FMRP). Like FMRP, cOMe is required for localization of untranslated mRNAs to synapses and enhances binding of the cap binding complex in the nucleus. Hence, our study reveals a mechanism to co-transcriptionally prime mRNAs by cOMe for localized protein synthesis at synapses.

Identifiants

pubmed: 35260552
doi: 10.1038/s41467-022-28549-5
pii: 10.1038/s41467-022-28549-5
pmc: PMC8904806
doi:

Substances chimiques

RNA, Messenger 0
Fragile X Mental Retardation Protein 139135-51-6
Ribose 681HV46001
Methyltransferases EC 2.1.1.-

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

1209

Subventions

Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/L006340/1
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/R001715/1
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/M017982/1
Pays : United Kingdom
Organisme : Biotechnology and Biological Sciences Research Council
ID : BB/R002932/1
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 200846/Z/16/Z
Pays : United Kingdom

Informations de copyright

© 2022. The Author(s).

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Auteurs

Irmgard U Haussmann (IU)

School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
Department of Life Science, Faculty of Health, Education and Life Sciences, Birmingham City University, Birmingham, B15 3TN, UK.

Yanying Wu (Y)

Centre for Neuronal Circuits and Behaviour, The University of Oxford, Oxford, OX1 3TA, UK.

Mohanakarthik P Nallasivan (MP)

School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.

Nathan Archer (N)

School of Veterinary Medicine and Sciences, University of Nottingham, Sutton Bonington, Loughborough, LE12 5RD, UK.

Zsuzsanna Bodi (Z)

School of Biosciences, Plant Science Division, University of Nottingham, Sutton Bonington, Loughborough, LE12 5RD, UK.

Daniel Hebenstreit (D)

School of Life Sciences, University of Warwick, Coventry, CV4 7AL, UK.

Scott Waddell (S)

Centre for Neuronal Circuits and Behaviour, The University of Oxford, Oxford, OX1 3TA, UK.

Rupert Fray (R)

School of Biosciences, Plant Science Division, University of Nottingham, Sutton Bonington, Loughborough, LE12 5RD, UK.

Matthias Soller (M)

School of Biosciences, College of Life and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. m.soller@bham.ac.uk.
Birmingham Centre for Genome Biology, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. m.soller@bham.ac.uk.

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