title: Genomic analysis of host - Peste des petits ruminants vaccine viral transcriptome uncovers transcription factors modulating immune regulatory pathways.
abstract: Peste des petits ruminants (PPR), is an acute transboundary viral disease of economic importance, affecting goats and sheep. Mass vaccination programs around the world resulted in the decline of PPR outbreaks. Sungri 96 is a live attenuated vaccine, widely used in Northern India against PPR. This vaccine virus, isolated from goat works efficiently both in sheep and goat. Global gene expression changes under PPR vaccine virus infection are not yet well defined. Therefore, in this study we investigated the host-vaccine virus interactions by infecting the peripheral blood mononuclear cells isolated from goat with PPRV (Sungri 96 vaccine virus), to quantify the global changes in the transcriptomic signature by RNA-sequencing. Viral genome of Sungri 96 vaccine virus was assembled from the PPRV infected transcriptome confirming the infection and demonstrating the feasibility of building a complete non-host genome from the blood transcriptome. Comparison of infected transcriptome with control transcriptome revealed 985 differentially expressed genes. Functional analysis showed enrichment of immune regulatory pathways under PPRV infection. Key genes involved in immune system regulation, spliceosomal and apoptotic pathways were identified to be dysregulated. Network analysis revealed that the protein - protein interaction network among differentially expressed genes is significantly disrupted in infected state. Several genes encoding TFs that govern immune regulatory pathways were identified to co-regulate the differentially expressed genes. These data provide insights into the host - PPRV vaccine virus interactome for the first time. Our findings suggested dysregulation of immune regulatory pathways and genes encoding Transcription Factors (TFs) that govern these pathways in response to viral infection.
authors.forename: Siddappa
authors.initials: S
authors.lastname: Manjunath
authors.forename: Gandham Ravi
authors.initials: GR
authors.lastname: Kumar
authors.forename: Bishnu Prasad
authors.initials: BP
authors.lastname: Mishra
authors.forename: Bina
authors.initials: B
authors.lastname: Mishra
authors.forename: Aditya Prasad
authors.initials: AP
authors.lastname: Sahoo
authors.forename: Chaitanya G
authors.initials: CG
authors.lastname: Joshi
authors.forename: Ashok K
authors.initials: AK
authors.lastname: Tiwari
authors.forename: Kaushal Kishore
authors.initials: KK
authors.lastname: Rajak
authors.forename: Sarath Chandra
authors.initials: SC
authors.lastname: Janga
mesh_terms: D000818:Animals; D016679:Genome, Viral; D015511:Goat Diseases / Q000276:immunology* / Q000821:virology; D006041:Goats; D007194:India; D007963:Leukocytes, Mononuclear / Q000821:virology; D008969:Molecular Sequence Data; D059372:Nucleotide Motifs; D029021:Peste-des-Petits-Ruminants / Q000276:immunology* / Q000821:virology; D018107:Peste-des-petits-ruminants virus / Q000235:genetics* / Q000276:immunology*; D014157:Transcription Factors; D059467:Transcriptome; D014613:Vaccines, Attenuated / Q000235:genetics / Q000276:immunology; D014765:Viral Vaccines / Q000235:genetics / Q000276:immunology*
chemical_list: D014157:Transcription Factors; D014613:Vaccines, Attenuated; D014765:Viral Vaccines
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