ArticleJournal of virology2008
Functional analysis of the murine cytomegalovirus chemokine receptor homologue M33: ablation of constitutive signaling is associated with an attenuated phenotype in vivo.
Article in Journal of virology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
33 citing papers in PubMed, 53 citations in OpenAlex.
- Activation of cytomegalovirus-encoded G protein-coupled receptor UL33 by an innate N-terminal peptide.Communications biology · 2026Article
- Global transcriptional reprogramming by cytomegalovirus infection suppresses MHC class II antigen presentation while enhancing migration machinery in murine dendritic cells.Microbial genomics · 2025Article
- Antiviral Immune Responses Against Murine Cytomegalovirus Induced by an OralMicroorganisms · 2025Article
- Why Are Cytomegalovirus-Encoded G-Protein-Coupled Receptors Essential for Infection but Only Variably Conserved?Pathogens (Basel, Switzerland) · 2025Review
- Article
- The Mouse Cytomegalovirus G Protein-Coupled Receptor Homolog, M33, Coordinates Key Features ofJournal of virology · 2022Article
- Article
- The CMV-encoded G protein-coupled receptors M33 and US28 play pleiotropic roles in immune evasion and alter host T cell responses.Frontiers in immunology · 2022Article
- Article
- CMV-encoded GPCR pUL33 activates CREB and facilitates its recruitment to the MIE locus for efficient viral reactivation.Journal of cell science · 2021Article
- Methods for Studying the Function of Cytomegalovirus GPCRs.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Article
- The human cytomegalovirus-encoded G protein-coupled receptor UL33 exhibits oncomodulatory properties.The Journal of biological chemistry · 2019Article
- Murine Cytomegalovirus Spread Depends on the Infected Myeloid Cell Type.Journal of virology · 2019Article
- Emerging roles of cytomegalovirus-encoded G protein-coupled receptors during lytic and latent infection.Medical microbiology and immunology · 2019Review
- Roles of GP33, a guinea pig cytomegalovirus-encoded G protein-coupled receptor homolog, in cellular signaling, viral growth and inflammation in vitro and in vivo.PLoS pathogens · 2018Article
- Article
- Identification and functional characterisation of 5-HT4 receptor in sea cucumber Apostichopus japonicus (Selenka).Scientific reports · 2017Article
- Luciferase-tagged wild-type and tropism-deficient mouse cytomegaloviruses reveal early dynamics of host colonization following peripheral challenge.The Journal of general virology · 2016Article
- Article
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
Abstract
The murine cytomegalovirus (MCMV) M33 gene is conserved among all betaherpesviruses and encodes a homologue of seven-transmembrane receptors (7TMR) with the capacity for constitutive signaling. Previous studies have demonstrated that M33 is important for MCMV dissemination to or replication within the salivary glands. In this study, we probed N- and C-terminal regions of M33 as well as known 7TMR signature motifs in transmembrane (TM) II and TM III to determine the impact on cell surface expression, constitutive signaling, and in vivo phenotype. The region between amino acids R(340) and A(353) of the C terminus was found to be important for CREB- and NFAT-mediated signaling, although not essential for phosphatidylinositol turnover. Tagging or truncation of the N terminus of M33 resulted in loss of cell surface expression. Within TM II, an F79D mutation abolished constitutive signaling, demonstrating a role, as in other cellular and viral 7TMR, of TM II in receptor activation. In TM III, the arginine (but not the asparagine) residue of the NRY motif (the counterpart of the common DRY motif in cellular 7TMR) was found to be essential for constitutive signaling. Selected mutations incorporated into recombinant MCMV showed that disruption of constitutive signaling for a viral 7TMR homologue resulted in a reduced capacity to disseminate to or replicate in the salivary glands. In addition, HCMV UL33 was found to partially compensate for the lack of M33 in vivo, suggesting conserved biological roles of the UL33 gene family.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.