Results 71 to 80 of about 35,339 (222)

Management of acute appendicitis during the COVID-19 pandemic: Views of two Brazilian surgical societies

open access: yesRevista do Colégio Brasileiro de Cirurgiões, 2021
Acute appendicitis (AA) is a frequent cause of abdominal pain requiring surgical treatment. During the COVID-19 pandemic, surgical societies considered other therapeutic options due to uncertainties in the evolution of the disease.
JOSÉ GUSTAVO PARREIRA   +8 more
doaj   +2 more sources

Toroviruses (Coronaviridae)

open access: yes, 2014
Toroviruses are single-stranded RNA peplomer-bearing enveloped viruses producing enteric disease in animals and humans. They have a unique extracellular C-shape or open torus morphology. There are four species in the genus Torovirus (family Coronaviridae, order Nidovirales): Equine torovirus (EToV), Bovine torovirus (BToV), Human torovirus (HToV), and ...
Cho, K.-O., Hoet, A.E.
openaire   +1 more source

Coronaviruses: Molecular Biology (Coronaviridae)

open access: yes, 2021
Coronaviruses (CoVs) are enveloped, positive-strand RNA viruses with characteristic spike glycoproteins that project outward like the rays of the sun (corona – Latin for ‘crown’), when visualized by electron microscopy. CoV are classified, together with the toroviruses, in the family Coronaviridae and the order Nidovirales.
Deng, X., Baker, S.C.
openaire   +1 more source

Generation, Mutagenesis, and Removal of Mini-F Sequences [PDF]

open access: yes, 2012
Maintenance and manipulation of large DNA and RNA virus genomes had presented an obstacle for virological research. BAC vectors provided a solution to both problems as they can harbor large DNA sequences and can efficiently be modified using well ...
Kaufer, Benedikt B., Tischer, Karsten B.
core   +1 more source

Successful in vitro propagation of feline coronavirus from clinically diagnosed feline infectious peritonitis cases using Vero cells: A potential model for future research

open access: yesVeterinary Record Open, Volume 13, Issue 1, June 2026.
Abstract Background Feline coronavirus (FCoV) causes inapparent to progressive fatal feline infectious peritonitis (FIP) in domestic and wild cats, which affects multiple‐organ systems. Methods We investigated three clinically sick cats using different laboratory and molecular tests to diagnose and confirm FCoV and propagate the virus in Vero cell ...
Eaftekhar Ahmed Rana   +5 more
wiley   +1 more source

Development and evaluation of the kit for detection of SARS-associated coronavirus RNA

open access: yesТерапевтический архив, 2004
Aim. To develop a diagnostic kit for detection of SARS (severe acute respiratory syndrome)-related coronavirus RNA based on reverse transcription and polymerase chain reaction and to estimate its specificity and sensitivity. Material and methods.
G A Shipulin   +10 more
doaj  

Protein Nucleotidylylation in +ssRNA Viruses

open access: yesViruses, 2021
Nucleotidylylation is a post-transcriptional modification important for replication in the picornavirus supergroup of RNA viruses, including members of the Caliciviridae, Coronaviridae, Picornaviridae and Potyviridae virus families.
Alice-Roza Eruera   +3 more
doaj   +1 more source

The role of cellular adhesion molecules in virus attachment and entry [PDF]

open access: yes, 2015
As obligate intracellular parasites, viruses must traverse the host-cell plasma membrane to initiate infection. This presents a formidable barrier, which they have evolved diverse strategies to overcome.
Bhella, David
core   +1 more source

Carbohydrate‐Based Drug Discovery: Synthetic Strategies and Clinical Applications

open access: yesIsrael Journal of Chemistry, Volume 66, Issue 3, May 2026.
The picture depicts the molecules discussed in the review. On the left side, the general scaffold of sugars is shown. Next to it are four carbohydrate‐based molecules, including remdesivir, islatravir, empagliflozin, and Globo‐H. Remdesivir and islatravir contain a substituted ribose ring attached to a modified nucleobase.
Stephan Scheeff   +2 more
wiley   +1 more source

Topographical mapping of epitopes on the glycoproteins of murine hepatitis virus-4 (strain JHM): correlation with biological activities. [PDF]

open access: yes, 1984
Monoclonal hybridoma antibodies (MAb) of defined polypeptide specificity and biological activity were used in a competition binding assay to identify antibody binding sites (epitopes) on the glycoproteins of murine hepatitis virus-4 strain JHM (MHV-4 ...
Buchmeier, MJ   +3 more
core  

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