PXD036613 is an
original dataset announced via ProteomeXchange.
Dataset Summary
Title | Identification of Endos interacting proteins in Drosophila embryos by immunoprecipitation and LC-MS-MS/MS analysis |
Description | The transition from oocyte to embryo requires translation of maternally provided transcripts that in Drosophila is activated by Pan Gu kinase to release a rapid succession of 13 mitotic cycles. Mitotic entry is promoted by several protein kinases that include Greatwall/Mastl, whose endosulfine substrates antagonize Protein Phosphatase 2A (PP2A), facilitating mitotic Cdk1/Cyclin B kinase activity. Here we show that hyperactive greatwallScant can not only be suppressed by mutants in its Endos substrate, but also by mutants in Pan Gu kinase subunits. Conversely, mutants in me31B or trailer hitch (tral), which encode a complex that represses hundreds of maternal mRNAs, enhance greatwallScant. Me31B and Tral proteins, known substrates of Pan Gu kinase, copurify with Endos. This echoes findings that budding yeast Dhh1, orthologue of Me31B, associates with Igo1/2, orthologues of Endos and substrates of the Rim15 orthologue of Greatwall. endos-derived mutant embryos show reduced Me31B and elevated transcripts for the mitotic activators Cyclin B, Polo and Twine/Cdc25. Together, our findings demonstrate a previously unappreciated conservation of the Greatwall-endosulfine pathway in regulating translational repressors and its interactions with the Pan Gu kinase pathway to regulate translation and/or stability of maternal mRNAs upon egg activation. |
HostingRepository | PRIDE |
AnnounceDate | 2024-08-09 |
AnnouncementXML | Submission_2024-08-09_05:08:23.458.xml |
DigitalObjectIdentifier | |
ReviewLevel | Peer-reviewed dataset |
DatasetOrigin | Original dataset |
RepositorySupport | Unsupported dataset by repository |
PrimarySubmitter | Hélène Rangone |
SpeciesList | scientific name: Drosophila melanogaster (Fruit fly); NCBI TaxID: 7227; |
ModificationList | phosphorylated residue |
Instrument | LTQ Orbitrap Velos |
Dataset History
Revision | Datetime | Status | ChangeLog Entry |
0 | 2022-09-12 03:40:50 | ID requested | |
⏵ 1 | 2024-08-09 05:08:24 | announced | |
Publication List
10.1098/rsob.240065; |
Rangone H, Bond L, Weil TT, Glover DM, oocyte-to-embryo transition. Open Biol, 14(6):240065(2024) [pubmed] |
Keyword List
submitter keyword: Endos, syncytial embryo, LC-MS-MS/MS, immunoprecipitation, Drosophila |
Contact List
David Moore Glover |
contact affiliation | - University of Cambridge, Department of Genetics, Downing Street, Cambridge CB2 3EH, UK - Division of Biology and Biological Engineering, California Institute of Technology, 1200 E. California Blvd, Pasadena, California 91125, USA |
contact email | dmglover@caltech.edu |
lab head | |
Hélène Rangone |
contact affiliation | University of Cambridge, Department of Genetics |
contact email | hr257@cam.ac.uk |
dataset submitter | |
Full Dataset Link List
Dataset FTP location
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PRIDE project URI |
Repository Record List
[ + ]
[ - ]
- PRIDE
- PXD036613
- Label: PRIDE project
- Name: Identification of Endos interacting proteins in Drosophila embryos by immunoprecipitation and LC-MS-MS/MS analysis