ArticleJournal of virology2013
Impact of sequence variation in the UL128 locus on production of human cytomegalovirus in fibroblast and epithelial cells.
Article in Journal of virology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.
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Who cites it
69 citing papers in PubMed, 88 citations in OpenAlex.
- Interstrain recombinants of human cytomegalovirus uncouple glycoprotein display, virion infectivity, and spread characteristics.Journal of virology · 2026Article
- Human cytomegalovirus strain-specific differences in protein expression of type I IFN pathway proteins do not impact virus replication.Access microbiology · 2026Article
- Increased infectivity of human cytomegalovirus strain TB40/E conferred by variants of the envelope glycoprotein UL128 and the regulatory protein IE2.Journal of virology · 2025Article
- Virion proteomics of genetically intact HCMV reveals a regulator of envelope glycoprotein composition that protects against humoral immunity.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Interstrain Recombinants of Human Cytomegalovirus Reveal Complex Genetic Correlates and Epistasis Influencing Glycoprotein Display, Virion Infectivity and Spread Characteristics.bioRxiv : the preprint server for biology · 2025Article
- Precision engineering of human cytomegalovirus without BAC constraints: a Sendai virus-delivered CRISPR/Cas9 approach.The Journal of general virology · 2025Article
- HCMV strain- and cell type-specific alterations in membrane contact sites point to the convergent regulation of organelle remodeling.Journal of virology · 2024Article
- Inhibition of human cytomegalovirus entry into mucosal epithelial cells.Antiviral research · 2024Article
- Article
- Human cytomegalovirus glycoprotein variants governing viral tropism and syncytium formation in epithelial cells and macrophages.Journal of virology · 2024Article
- Virus-Induced Cell Fusion and Syncytia Formation.Results and problems in cell differentiation · 2024Article
- HCMV-secreted glycoprotein gpUL4 inhibits TRAIL-mediated apoptosis and NK cell activation.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Current Knowledge on the Interaction of Human Cytomegalovirus Infection, Encoded miRNAs, and Acute Aortic Syndrome.Viruses · 2023Review
- Strain-Dependent Restriction of Human Cytomegalovirus by Zinc Finger Antiviral Proteins.Journal of virology · 2023Article
- Article
- Intermittent bulk release of human cytomegalovirus.PLoS pathogens · 2022Article
- Human herpesvirus diversity is altered in HLA class I binding peptides.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Rescue of Pentamer-Null Strains of Human Cytomegalovirus in Epithelial Cells by Use of Histone Deacetylase Inhibitors Reveals an Additional Postentry Function for the Pentamer Complex.Journal of virology · 2022Article
- Structural basis for HCMV Pentamer recognition by neuropilin 2 and neutralizing antibodies.Science advances · 2022Article
- Neutralizing Antibodies Limit Cell-Associated Spread of Human Cytomegalovirus in Epithelial Cells and Fibroblasts.Viruses · 2022Article
9 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
The human cytomegalovirus (HCMV) virion envelope contains a complex consisting of glycoproteins gH and gL plus proteins encoded by the UL128 locus (UL128L): pUL128, pUL130, and pUL131A. UL128L is necessary for efficient infection of myeloid, epithelial, and endothelial cells but limits replication in fibroblasts. Consequently, disrupting mutations in UL128L are rapidly selected when clinical isolates are cultured in fibroblasts. In contrast, bacterial artificial chromosome (BAC)-cloned strains TB40-BAC4, FIX, and TR do not contain overt disruptions in UL128L, yet no virus reconstituted from them has been reported to acquire mutations in UL128L in vitro. We performed BAC mutagenesis and reconstitution experiments to test the hypothesis that these strains contain subtle mutations in UL128L that were acquired during passage prior to BAC cloning. Compared to strain Merlin containing wild-type UL128L, all three strains produced higher yields of cell-free virus. Moreover, TB40-BAC4 and FIX spread cell to cell more rapidly than wild-type Merlin in fibroblasts but more slowly in epithelial cells. The differential growth properties of TB40-BAC4 and FIX (but not TR) were mapped to single-nucleotide substitutions in UL128L. The substitution in TB40-BAC4 reduced the splicing efficiency of UL128, and that in FIX resulted in an amino acid substitution in UL130. Introduction of these substitutions into Merlin dramatically increased yields of cell-free virus and increased cell-to-cell spread in fibroblasts but reduced the abundance of pUL128 in the virion and the efficiency of epithelial cell infection. These substitutions appear to represent mutations in UL128L that permit virus to be propagated in fibroblasts while retaining epithelial cell tropism.
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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.