Results 31 to 40 of about 751,138 (168)

Nuclear Import of Viral DNA Genomes [PDF]

open access: yesTraffic, 2003
The genomes of many viruses traffic into the nucleus, where they are either integrated into host chromosomes or maintained as episomal DNA and then transcriptionally activated or silenced. Here, we discuss the existing evidence on how the lentiviruses, adenoviruses, herpesviruses, hepadnaviruses and autonomous parvoviruses enter the nucleus.
Greber, U F, Fassati, A
openaire   +3 more sources

Epigenetic control of Epstein Barr Virus transcription – relevance to viral life cycle?

open access: yesFrontiers in Genetics, 2013
DNA-methylation normally leads to silencing of gene expression but Epstein-Barr virus (EBV) provides an exception to the epigenetic paradigm. DNA-methylation is absolutely required for the expression of many viral genes.
Alison J. Sinclair
doaj   +1 more source

PCBP2 maintains antiviral signaling homeostasis by regulating cGAS enzymatic activity via antagonizing its condensation

open access: yesNature Communications, 2022
cGAS senses viral DNA and forms cytosolic cGAS-DNA granules to mediate anti-DNA viral signaling pathway. Here the authors show that PCBP2 interacts with cGAS and antagonizes condensation of cGAS-DNA granules, thus maintaining host immune homeostasis.
Haiyan Gu   +11 more
doaj   +1 more source

Uracil-DNA glycosylase of murine gammaherpesvirus 68 binds cognate viral replication factors independently of its catalytic residues

open access: yesmSphere, 2023
Herpesviruses are large double-stranded DNA viruses that encode core replication proteins and accessory factors involved in nucleotide metabolism and DNA repair.
Kyle R. Smith   +7 more
doaj   +1 more source

Determinazione quantitativa di HIV-1 DNA nel follow-up del paziente HIV-1 infetto: esperienza in un gruppo di soggetti HIV-1 infetti

open access: yesMicrobiologia Medica, 2006
Proviral HIV-1 DNA can represent an alternative viral marker to RNA viral load during the follow-up of HIV-1 infected individuals. Sequential blood samples of 12 patients under antiretroviral treatment from 1997 with two NRTIs, who refused to continue ...
Francesca Vitone   +4 more
doaj   +1 more source

Viral oncoproteins target the DNA methyltransferases [PDF]

open access: yesOncogene, 2006
Small DNA tumour viruses have evolved a number of mechanisms to drive nondividing cells into S phase. Virally encoded oncoproteins such as adenovirus E1A and human papillomavirus (HPV) E7 can bind an array of cellular proteins to override proliferation arrest. The DNA methyltransferase Dnmt1 is the major mammalian enzyme responsible for maintaining CpG
Burgers, T   +7 more
openaire   +3 more sources

Preparation of Viral DNA from Nucleocapsids [PDF]

open access: yesJournal of Visualized Experiments, 2011
Viruses are obligate cellular parasites, and thus the study of their DNA requires isolating viral material away from host cell contaminants and DNA. Several downstream applications require large quantities of pure viral DNA, which is provided by this protocol.
Moriah L, Szpara   +2 more
openaire   +2 more sources

The role of unintegrated DNA in HIV infection

open access: yesRetrovirology, 2011
Integration of the reverse transcribed viral genome into host chromatin is the hallmark of retroviral replication. Yet, during natural HIV infection, various unintegrated viral DNA forms exist in abundance. Though linear viral cDNA is the precursor to an
Wainberg Mark A, Sloan Richard D
doaj   +1 more source

Recombination-dependent concatemeric viral DNA replication

open access: yesVirus Research, 2011
The initiation of viral double stranded (ds) DNA replication involves proteins that recruit and load the replisome at the replication origin (ori). Any block in replication fork progression or a programmed barrier may act as a factor for ori-independent remodelling and assembly of a new replisome at the stalled fork. Then replication initiation becomes
Ambra, Lo Piano   +3 more
openaire   +2 more sources

NS1-mediated DNMT1 degradation regulates human bocavirus 1 replication and RNA processing.

open access: yesPLoS Pathogens
Methylation of the DNA genome plays an important role in viral gene inactivation. However, the role of DNA methylation in human bocavirus (HBoV) remains unclear.
Shuangkang Qin   +10 more
doaj   +1 more source

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