Results 21 to 30 of about 235,095 (169)

Structural Constraints on RNA Virus Evolution [PDF]

open access: yesJournal of Virology, 1999
ABSTRACT The recently discovered hepatitis G virus (HGV) or GB virus C (GBV-C) is widely distributed in human populations, and homologues such as HGV/GBV-C CPZ and GBV-A are found in a variety of different primate species.
Simmonds, P, Smith, D B
openaire   +3 more sources

Participation of Multifunctional RNA in Replication, Recombination and Regulation of Endogenous Plant Pararetroviruses (EPRVs)

open access: yesFrontiers in Plant Science, 2021
Pararetroviruses, taxon Caulimoviridae, are typical of retroelements with reverse transcriptase and share a common origin with retroviruses and LTR retrotransposons, presumably dating back 1.6 billion years and illustrating the transition from an RNA to ...
Katja R. Richert-Pöggeler   +8 more
doaj   +1 more source

Viral Metagenomics Reveals Diverse Viruses in Tissue Samples of Diseased Pigs

open access: yesViruses, 2022
The swine industry plays an essential role in agricultural production in China. Diseases, especially viral diseases, affect the development of the pig industry and threaten human health.
Shixing Yang   +14 more
doaj   +1 more source

A Whole-Genome Analysis of the African Swine Fever Virus That Circulated during the First Outbreak in Vietnam in 2019 and Subsequently in 2022

open access: yesViruses, 2023
Since its initial report in Vietnam in early 2019, the African swine fever (ASF), a highly lethal and severe viral swine disease worldwide, continues to cause outbreaks in other Southeast Asian countries.
Van Phan Le   +15 more
doaj   +1 more source

Porcine Reproductive and Respiratory Syndrome Virus: Origin Hypothesis

open access: yesEmerging Infectious Diseases, 2003
Porcine reproductive and respiratory syndrome is a serious swine disease that appeared suddenly in the midwestern United States and central Europe approximately 14 years ago; the disease has now spread worldwide. In North America and Europe, the syndrome
Peter G.W. Plagemann
doaj   +1 more source

Deep mutational scanning and CRISPR-engineered viruses: tools for evolutionary and functional genomics studies

open access: yesmSphere
Recent advancements in synthetic biology and sequencing technologies have revolutionized the ability to manipulate viral genomes with unparalleled precision.
Mercedes Paz, Gonzalo Moratorio
doaj   +1 more source

The mode and tempo of hepatitis C virus evolution within and among hosts

open access: yesBMC Evolutionary Biology, 2011
Background Hepatitis C virus (HCV) is a rapidly-evolving RNA virus that establishes chronic infections in humans. Despite the virus' public health importance and a wealth of sequence data, basic aspects of HCV molecular evolution remain poorly understood.
Salemi Marco   +5 more
doaj   +1 more source

Molecular epidemiology and pathogenicity of H5N1 and H9N2 avian influenza viruses in clinically affected chickens on farms in Bangladesh

open access: yesEmerging Microbes and Infections, 2021
Avian influenza virus (AIV) subtypes H5N1 and H9N2 co-circulate in poultry in Bangladesh, causing significant bird morbidity and mortality. Despite their importance to the poultry value chain, the role of farms in spreading and maintaining AIV infections
Ripatun Nahar Ripa   +14 more
doaj   +1 more source

Research Note: Characterization and phylodynamic analysis of new infectious bursal disease virus variants circulating in Argentina

open access: yesPoultry Science
: Infectious Bursal Disease is a highly contagious disease that affects young chickens and leads to significant economic losses. Its causal agent is a double-stranded RNA virus that, due to its high error rate during the replication process, gives rise ...
Juan Jaton   +6 more
doaj   +1 more source

Mosquitoes Transmit Unique West Nile Virus Populations during Each Feeding Episode

open access: yesCell Reports, 2017
Arthropod-borne viruses (arboviruses), such as Zika virus, chikungunya virus, and West Nile virus (WNV), pose continuous threats to emerge and cause large epidemics.
Nathan D. Grubaugh   +9 more
doaj   +1 more source

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