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1.
Gene ; 831: 146561, 2022 Jul 15.
Article in English | MEDLINE | ID: mdl-35561845

ABSTRACT

Virus infection alters host gene expression, therefore ideal and stable reference housekeeping genes are required to normalise the expression of other expressed host genes in quantitative real-time PCR (qRT-PCR). The suitable reference gene may vary in response to different viral infections in different hosts or cells. In the present study, we cultured primary lamb testis cells (LTC) and assessed the expression stability of seven widely used housekeeping genes (B2M, HMBS, HPRT1, HSP-90, POLR2A, 18s_RNA, GAPDH) as reference genes in Sheeppox virus (SPPV) infected and control (uninfected-0h) LTC at 0.5h, 4.0h, 8.0h, and 12.0h post-infection) using NormFinder, Bestkeeper, geNorm, and the comparative ΔCT method in RefFinder based on their expression levels. Analysis revealed that HSP90, 18s_RNA, HPRT, POLR2A, and B2M were the most stable genes from the panel in the individual analysis group in 0h, 0.5h, 4.0h, 8.0h, and 12.0h, respectively. Furthermore, B2M was shown to be the most stable reference gene in the combined control with the respective and overall infected groups, except the control group of 4.0hpi of SPPV infection. In this study, we selected the most suitable reference genes in LTC for particular time points of SPPV infection. The identified most suitable housekeeping gene can be used during normalization of expression of other targeted genes at aspecific time point of SPPV infection.


Subject(s)
Capripoxvirus , Gene Expression Profiling , Animals , Gene Expression , Gene Expression Profiling/methods , Male , RNA, Ribosomal, 18S , Real-Time Polymerase Chain Reaction/methods , Reference Standards , Sheep/genetics , Testis
2.
Gene ; 801: 145850, 2021 Oct 30.
Article in English | MEDLINE | ID: mdl-34274484

ABSTRACT

This study explored the transcriptome of lamb testis cells infected with sheeppox virus (SPPV) wild strain (WS) and vaccine strain (VS) at an immediate-early time. Most of the differentially expressed genes (DEGs) and differentially expressed highly connected (DEHC) gene network were found to be involved in SPPV-VS infection compared to SPPV-WS. Further, the signaling pathways were mostly involved in SPPV-VS infection than SPPV-WS. SPPV modulates the expression of several important host proteins such as CD40, FAS, ITGß1, ITGα1, Pak1, Pak2, CD14, ILK leading to viral attachment and entry; immune-related DEGs such as MAPK, JNK, ERK, NFKB, IKB, PI3K, STAT which provide optimal cellular condition for early viral protein expression; and FOXO3, ATF, CDKNA1, TCF, SRF, BDNF which help in inducing apoptosis and MPTP, BAD and Tp53 inhibits apoptosis or cell death at the immediate-early time. The results captured the specific genes and enabled to understand distinct pathogenic mechanisms employed by VS and WS of SPPV.


Subject(s)
Capripoxvirus , Genes, Immediate-Early , Host-Pathogen Interactions/genetics , Poxviridae Infections/genetics , Sheep Diseases/genetics , Animals , Capripoxvirus/pathogenicity , Cells, Cultured , Gene Expression , Male , Poxviridae Infections/veterinary , Protein Interaction Maps/genetics , Sheep , Sheep Diseases/virology
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