PXD057947-1

PXD057947 is an original dataset announced via ProteomeXchange.

Title	Dengue virus and Zika virus alter endoplasmic reticulum-mitochondria contact sites to regulate respiration and apoptosis
Description	With no therapeutics available, there is an urgent need to better understand the pathogenesis of (ortho)flaviviruses which constitute a threat to public health worldwide. During infection, dengue virus (DENV) and Zika virus (ZIKV), two flavivirusesinduce alterations of mitochondria morphology to favor viral replication, suggesting a viral co-opting of mitochondria functions. Here, we performed an extensive transmission electron microscopy-based quantitative analysis to demonstrate that both DENV and ZIKV alter endoplasmic reticulum-mitochondria contact sites(ERMC). This correlated at the molecular level with an impairment of ERMC tethering protein complexes located at the surface of both organelles. Furthermore, virus infection expression modulated the mitochondrial oxygen consumption rate. Consistently, metabolomic and mitoproteomic analyses revealed a decrease in the abundance of several metabolites of the Krebs cycle and changes in the stoichiometry of the electron transport chain. Most importantly, ERMC destabilization by protein knockdown increased virus replication while dampening ZIKV-induced apoptosis. Overall, our results support the notion that flaviviruses hijack ERMCs to generate a cytoplasmic environment beneficial for sustained and efficient replication.
HostingRepository	PRIDE
AnnounceDate	2024-12-20
AnnouncementXML	Submission_2024-12-20_01:54:41.994.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	Pietro Scaturro
SpeciesList	scientific name: Dengue virus; NCBI TaxID: NCBITaxon:12637; scientific name: Homo sapiens (Human); NCBI TaxID: 9606;
ModificationList	phosphorylated residue
Instrument	Q Exactive HF

Revision	Datetime	Status	ChangeLog Entry
0	2024-11-15 11:14:11	ID requested
⏵ 1	2024-12-20 01:54:42	announced

10.1016/J.ISCI.2024.111599;

submitter keyword: Dengue virus (DENV), contact sites, viral infection, respiration, mitochondria, apoptosis, Zika virus (ZIKV)

Pietro Scaturro
contact affiliation	Systems Arbovirology, Leibniz Institute of Virology, Hamburg, Germany
contact email	pietro.scaturro@leibniz-liv.de
lab head
Pietro Scaturro
contact affiliation	Systems Arbovirology, Leibniz Institute of Virology
contact email	pietro.scaturro@tum.de
dataset submitter

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PRIDE project URI

• PRIDE
  1. PXD057947
     1. Label: PRIDE project
     2. Name: Dengue virus and Zika virus alter endoplasmic reticulum-mitochondria contact sites to regulate respiration and apoptosis