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To better understand the evolution of hepadnaviruses, we sampled bats from Guizhou, Henan and Zhejiang provinces, China, and rodents from Zhejiang province. Genetically diverse hepadnaviruses were identified in a broad range of bat species, with an overall prevalence of 13.3%. In contrast, no rodent hepadnaviruses were identified. The newly discovered bat hepadnaviruses fell into two distinct phylogenetic...
To help reveal the diversity and evolution of bat coronaviruses we collected 1067 bats from 21 species in China. A total of 73 coronaviruses (32 alphacoronaviruses and 41 betacoronaviruses) were identified in these bats, with an overall prevalence of 6.84%. All newly-identified betacoronaviruses were SARS-related Rhinolophus bat coronaviruses (SARSr-Rh-BatCoV). Importantly, with the exception of the...
Borna disease virus (BDV) is a neurotropic RNA virus persistently infecting mammalian hosts including humans. Lysine acetylation (Kac) is a key protein post-translational modification (PTM). The unexpectedly broad regulatory scope of Kac let us to profile the entire acetylome upon BDV infection.The acetylome was profiled through stable isotope labeling for cell culture (SILAC)-based quantitative proteomics...
Borna disease virus (BDV) replicates in the nucleus and establishes persistent infections in mammalian hosts. A human BDV strain was used to address the first time, how BDV infection impacts the proteome and histone lysine acetylation (Kac) of human oligodendroglial (OL) cells, thus allowing a better understanding of infection-driven pathophysiology in vitro.Proteome and histone lysine acetylation...
Actin and its regulators are critical for neuronal function. Infection with herpes simplex virus 1 (HSV-1) remodels neuronal cell actin dynamics, which may relate virus-induced pathological processes in the nervous system. We previously demonstrated that cofilin is an actin regulator that participates in HSV-1-induced actin dynamics in neuronal cells, but how HSV-1 regulates cofilin has remained unclear...
Mutations disrupting helicase domain motifs of the Tobacco mosaic virus 126/183-kDa proteins were investigated for their effect on replicase function and assembly. These mutations inhibited virus replication but did not affect 126-kDa induced N gene resistance or RNAi suppression. However, in vivo expressed 126-kDa motif mutants yielded two distinct cytoplasmic phenotypes that correlated with ATPase...
Kaposi's sarcoma-associated herpesvirus (KSHV/HHV-8) encodes a G protein-coupled receptor (vGPCR) in open reading frame (ORF) 74, which is homologous to human chemokine receptors. KSHV vGPCR is constitutively active and induces VEGF-mediated angiogenesis. Previous studies have shown that ORF 74 is transcribed as part of a bicistronic message containing ORF K14 upstream of ORF 74, with an early lytic...
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