Results 31 to 40 of about 4,207,382 (399)

Genetic and antigenic characterization of avian influenza H9N2 viruses during 2016 in Iraq [PDF]

open access: yesOpen Veterinary Journal, 2019
Background: Little is known about the antigenic and genetic characteristics of influenza A viruses (IAVs) circulating in poultry in Iraq. Objective: This study describes the genetic and antigenic characteristics of the detected avian influenza (AI ...
Nadira S. Mohamed   +4 more
doaj   +1 more source

A chemical method for generating live-attenuated, replication-defective DNA viruses for vaccine development

open access: yesCell Reports: Methods, 2022
Summary: The development of a chemically attenuated, replication-incompetent virus vaccine can provide protection against diseases caused by DNA viruses.
Dabbu Kumar Jaijyan   +3 more
doaj   +1 more source

Nuclear hnRNPA2B1 initiates and amplifies the innate immune response to DNA viruses

open access: yesScience, 2019
A nuclear sensor of viral DNA? A signaling pathway in eukaryotes known as cGAS–STING recognizes the presence of cytosolic DNA, which alerts the immune system to viral infection or cellular damage. However, the majority of DNA viruses direct their genomic
Lei Wang, Mingyue Wen, Xuetao Cao
semanticscholar   +1 more source

Virus Discovery in Desert Tortoise Fecal Samples: Novel Circular Single-Stranded DNA Viruses

open access: yesViruses, 2020
The Sonoran Desert tortoise Gopherus morafkai is adapted to the desert, and plays an important ecological role in this environment. There is limited information on the viral diversity associated with tortoises (family Testudinidae), and to date no DNA ...
Joseph P. Orton   +10 more
semanticscholar   +1 more source

Bacteriophages and their structural organisation [PDF]

open access: yes, 2012
Viruses are extremely small infectious particles that are not visible in a light microscope, and are able to pass through fine porcelain filters. They exist in a huge variety of forms and infect practically all living systems: animals, plants ...
Orlova, Elena
core   +2 more sources

Gestational Viral Infections: Role of Host Immune System

open access: yesMicroorganisms, 2023
Viral infections in pregnancy are major causes of maternal and fetal morbidity and mortality. Infections can develop in the neonate transplacentally, perinatally, or postnatally (from breast milk or other sources) and lead to different clinical ...
Silvia Beltrami   +6 more
doaj   +1 more source

Multiple origins of prokaryotic and eukaryotic single-stranded DNA viruses from bacterial and archaeal plasmids

open access: yesNature Communications, 2019
Single-stranded (ss) DNA viruses are a major component of the earth virome. In particular, the circular, Rep-encoding ssDNA (CRESS-DNA) viruses show high diversity and abundance in various habitats.
Darius Kazlauskas   +3 more
semanticscholar   +1 more source

The extraordinary evolutionary history of the reticuloendotheliosis viruses [PDF]

open access: yes, 2013
The reticuloendotheliosis viruses (REVs) comprise several closely related amphotropic retroviruses isolated from birds. These viruses exhibit several highly unusual characteristics that have not so far been adequately explained, including their extremely
A Katzourakis   +95 more
core   +3 more sources

Statistical analysis on detecting recombination sites in DNA-beta satellites associated with the old world geminiviruses [PDF]

open access: yes, 2010
Although an exchange of genetic information by recombination plays an important role in the evolution of viruses, it is not clear how it generates diversity.
Xu, Kai, Yoshida, Ruriko
core   +4 more sources

HIV-1 reverse transcriptase mutations that confer decreased in vitro susceptibility to anti-RT DNA aptamer RT1t49 confer cross resistance to other anti-RT aptamers but not to standard RT inhibitors [PDF]

open access: yes, 2005
RNA and DNA aptamers specific for HIV-1 reverse transcriptase (RT) can inhibit reverse transcription in vitro. RNA aptamers have been shown to potently block HIV-1 replication in culture.
Fisher, Timothy S   +2 more
core   +3 more sources

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