HSV-1 single-cell analysis reveals the activation of anti-viral and developmental programs in distinct sub-populations

  1. Nir Drayman  Is a corresponding author
  2. Parthiv Patel
  3. Luke Vistain
  4. Savaş Tay  Is a corresponding author
  1. The University of Chicago, United States
7 figures, 1 table and 4 additional files

Figures

Figure 1 with 4 supplements
Cell-to-cell variability in infection dynamics and viral gene expression.

(A) HDFn cells were infected with HSV-1 expressing ICP4-YFP and analyzed by time-lapse fluorescent imaging and scRNA-seq. (B) Distribution of the initial time of ICP4 expression. The black line …

https://doi.org/10.7554/eLife.46339.003
Figure 1—figure supplement 1
Technical data relating to single-cell RNA-sequencing.

(A) Flow chart describing the generation of a DGE (digital expression matrix) from raw sequencing data and the filtering criteria applied at different stages to the generation of the final DGE. Note …

https://doi.org/10.7554/eLife.46339.004
Figure 1—figure supplement 2
Joint analysis of host +viral genes in mock and wt-infected HDFn.

The left panel shows the identity of the cells (blue = mock, purple = wt infected) and the right panel shows the level of HSV-1 gene expression (blue = low, red = high). Highly infected cells …

https://doi.org/10.7554/eLife.46339.005
Figure 1—figure supplement 3
Cell-to-cell variability in viral gene expression upon ΔICP0 infection.

(A) tSNE plot based on viral gene expression. Each dot represents a single cell and is colored according to the % of viral transcripts from blue (low) to red (high). The color bar is logarithmic. …

https://doi.org/10.7554/eLife.46339.006
Figure 1—video 1
Live imaging of HDFn infected by wildtype HSV-1 expressing ICP4-YFP.
https://doi.org/10.7554/eLife.46339.007
Figure 2 with 2 supplements
The anti-viral program is initiated in a rare sub-population of abortively infected cells.

(A) tSNE plot based on viral and host gene expression. Cells are colored according to their clustering. Cluster one is colored green and cluster two is colored purple. (B) tSNE plot as in panel (A). …

https://doi.org/10.7554/eLife.46339.008
Figure 2—figure supplement 1
Cell-cycle is anti-correlated with viral gene expression and is a major source of transcriptional variability.

(A) tSNE plots based on viral and host gene expression (wildtype infection). (Left) Cells are colored according to their clustering. Cluster one is colored green, cluster two is colored blue and …

https://doi.org/10.7554/eLife.46339.009
Figure 2—figure supplement 2
ISGs expression in single-cells infected by wildtype HSV-1.

Here we compare the expression of interferon-stimulated genes (ISGs) in the top (orange) and bottom (blue) 25% of cells, sorted according to the level of HSV-1 gene expression. The top left panel …

https://doi.org/10.7554/eLife.46339.010
Figure 3 with 1 supplement
Anti-viral signaling in cells infected by ΔICP0 mutant.

(A) tSNE plot based on viral and host gene expression. Cells are colored according to their clustering. (B) tSNE plot as in panel (A), with cells colored according to the % expressed transcripts …

https://doi.org/10.7554/eLife.46339.011
Figure 3—figure supplement 1
ISGs expression in single-cells infected by ΔICP0 HSV-1.

Here we compare the expression of interferon-stimulated genes) (ISGs) in the top (orange) and bottom (blue) 25% of cells, sorted according to the level of HSV-1 gene expression. The top left panel …

https://doi.org/10.7554/eLife.46339.012
Figure 4 with 1 supplement
HSV-1 infection upregulates developmental pathways.

(A) Heat-map of genes that are significantly upregulated in ICP4+ cells, as compared to both mock-infected and ICP4 cells. RNA-sequencing was performed in duplicates denoted by the numbers 1 and 2 …

https://doi.org/10.7554/eLife.46339.013
Figure 4—figure supplement 1
ΔICP0 infection upregulates developmental pathways.

(A) Heat-map of genes that are significantly upregulated in ICP4+ cells, as compared to both mock-infected and ICP4 cells. RNA-sequencing was performed in duplicates denoted by the numbers 1 and 2 …

https://doi.org/10.7554/eLife.46339.014
Cellular reprogramming during HSV-1 infection.

(A) Bar plots showing the expression level (transcripts per million (TPM)) of selected examples of genes that participate in developmental pathways and are upregulated in HSV-1-infected cells. Black …

https://doi.org/10.7554/eLife.46339.015
Figure 6 with 1 supplement
β-catenin translocates to the nucleus and concentrates in the viral replication compartments.

(A) Immunoflorescent staining of β-catenin in mock-infected (top) or HSV-1 infected (bottom) HDFn cells at 5 hr post infection. (B) Magnified images of the four cells denoted by dashed white boxes …

https://doi.org/10.7554/eLife.46339.016
Figure 6—figure supplement 1
β-catenin translocates to the nucleus and concentrates in the viral replication compartments upon ΔICP0 infection.

(A) Immunofluorescent staining of β-catenin in ΔICP0-infected HDFn cells at 5 hr post infection. (B) Magnified images of the four cells denoted by dashed white boxes in panel (A), showing …

https://doi.org/10.7554/eLife.46339.017
β-catenin is required for late viral gene expression and progeny production.

(A-D) HDFn treated with the β-catenin inhibitor iCRT14 or with vehicle alone (dimethyl sulfoxide (DMSO)) were infected with HSV-1 and analyzed for viral gene expression by RT-PCR at 5 hr post …

https://doi.org/10.7554/eLife.46339.018

Tables

Key resources table
Reagent type
(species) or resource
DesignationSource or referenceIdentifiersAdditional
information
Cell line (Homo sapiens)HDFn, primary human dermal fibrobalstsCascade Biologicscat #C0045C
Cell line (Homo sapiens)A549Sigma-Aldrichcat #86012804-1VL
Cell line (Homo sapiens)Mel624Mel624 is a patient-derived melanoma cell-line, generated by the lab of Professor Thomas Gajewski at the Univeristy of Chicago
Cell line
(Cercopithecus aethiops)
VeroObtained from the lab of Matthew D Weitzman, University of PennsylvaniaUsed to grow wildtype HSV-1 and for plaque assay
Cell line (Homo sapiens)U2OSObtained from the lab of Matthew D Weitzman, University of PennsylvaniaUsed to grow δICP0 HSV-1
Strain, strain background (HSV-1)Wild-type strain 17, ICP4-YFPEverett et al., 2003Obtained from the lab of Matthew D Weitzman, University of Pennsylvania
Strain, strain
background (HSV-1)
δICP0 strain 17, ICP4-YFPEverett et al., 2003Obtained from the lab of Matthew D Weitzman, University of Pennsylvania
Antibodyβ-catenin (mouse monoclonal)R and D systemsMAB13291-SPUsed for IF 1:400
AntibodyIRF3 (rabbit monoclonal)Cell Signaling Technologiescat #11904Used for IF 1:200
Sequence-based reagentQPCR primer ICP4 FwdIDTGCGTCGTCGAGGTCGT
Sequence-based reagentQPCR primer ICP4 RevIDTCGCGGAGACGGAGGAG
Sequence-based reagentQPCR primer ICP8 FwdIDTCGACAGTAACGCCAGAAGCTC
Sequence-based reagentQPCR primer
ICP8 Rev
IDTGGAGACAAAGCCCAAGACGG
Sequence-based reagentQPCR primer gB FwdIDTCACCGCTACTCCCAGTTTATGG
Sequence-based reagentQPCR primer gB RevIDTCCCTTGGCGTTGATCTTGTC
Sequence-based reagentQPCR primer UL36 FwdIDTCGGGTCAAAAAGGTATGCGGTGT
Sequence-based reagentQPCR primer UL36 RevIDTTGTCGTACACGCTCCTAACCATTG
Sequence-based reagentQPCR primer IFIT1 FwdIDTCCT CCT TGG GTT CGT CTA CA
Sequence-
based reagent
QPCR primer IFIT1 RevIDTGAA ATG AAA TGT GAA AGT GGC TGA T
Sequence-
based reagent
QPCR primer
IFIT2 Fwd
IDTGCTGAATCCTGACAACCAGTACC
Sequence-
based reagent
QPCR primer
IFIT2 Rev
IDTCACCTTCCTCTTCACCTTCTTCAC
Sequence-based reagentQPCR primer CTNNB1 FwdIDTGAGATGGCCCAGAATGCAGTT
Sequence-based reagentQPCR primer CTNNB1 RevIDTGGTGCATGATTTGCGGGAC
Sequence-based reagentsiRNA againstβ-cateninDharmaconM-003482-00-0005
Sequence-based reagentsiRNA non-targetingDharmaconD-001206-13-05
Commercial assay or kitRNEasy PLUS minikitQIAGENcat #74134
Chemical compound, drugiCRT14Sigma-Aldrichcat ##SML0203Stock made in DMSO - 20 mM. Used at 20 micromolar final concentration
Software, algorithmSingle cell RNA
seq analysis
This paperhttps://github.com/nirdrayman/single-cell-RNAseq-HSV1.git

Additional files

Supplementary file 1

Differential gene expression identified by sRNAseq.

(A) Genes that are upregulated in highly infected cells (wildtype infection). (B) GO annotations associated with genes from tab (A). (C) Transcription factors enriched in the promoters of genes from tab (A). (D) Genes that are upregulated in highly infected cells (ΔICP0 infection). (E) GO annotations associated with genes from tab (D). (F) Transcription factors enriched in the promoters of genes from tab (D).

https://doi.org/10.7554/eLife.46339.019
Supplementary file 2

Analysis of genes that are upregulated in ICP4-negative sorted cells.

(A) Genes that are upregulated in ICP4-negative cells (afer wildtype infection). (B) GO annotations associated with genes from tab (A). (C) Genes that are upregulated in ICP4-negative cells (after ΔICP0 infection). (D) GO annotations associated with genes from tab (C). (E) Transcription factors enriched in the promoters of genes from tab (C).

https://doi.org/10.7554/eLife.46339.020
Supplementary file 3

Analysis of genes upregulated in ICP4-positive sorted cells.

(A) Genes that are upregulated in ICP4-positive cells (after wildtype infection). (B) GO annotations associated with genes from tab (A). (C) Transcription factors that are enriched in the promoters of genes from tab (A). (D) Genes that are upregulated in ICP4-positive cells (after ΔICP0 infection). (E) GO annotations associated with genes from tab (D). (F) Transcription factors that are enriched in the promoters of genes from tab (D).

https://doi.org/10.7554/eLife.46339.021
Transparent reporting form
https://doi.org/10.7554/eLife.46339.022

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