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Viruses that exhibit this behavior include many enveloped viruses such as HIV and herpes simplex virus. [2] These basic ideas extend to viruses that infect bacteria, known as bacteriophages (or simply phages). Typical phages have long tails used to attach to receptors on the bacterial surface and inject their viral genome.
Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment of the virus to host receptors, which mediates endocytosis. Replication follows the positive stranded RNA virus replication model. Positive stranded rna virus transcription is the method of transcription.
Viral cardiomyopathy occurs when viral infections cause myocarditis with a resulting thickening of the myocardium and dilation of the ventricles. These viruses include Coxsackie B and adenovirus, echoviruses, influenza H1N1, Epstein–Barr virus, rubella (German measles virus), varicella (chickenpox virus), mumps, measles, parvoviruses, yellow fever, dengue fever, polio, rabies, and the ...
Viruses enter host cells using a variety of mechanisms, including the endocytic and non-endocytic routes. [4] They can also fuse at the plasma membrane and can spread within the host via fusion or cell-cell fusion. [5] Viruses attach to proteins on the host cell surface known as cellular receptors or attachment factors to aid entry. [6]
[5] [6] [7] The protein encoded by this gene is a type I membrane receptor for group B coxsackie viruses and subgroup C adenoviruses. CAR protein is expressed in several tissues, including heart, brain, and, more generally, epithelial and endothelial cells.
In a study that has yet to be peer reviewed, researchers detected the virus in the heart muscle of six COVID-19 patients reported to have died of respiratory failure, without signs of heart ...
The envelope includes a lipid bilayer and surface proteins, similar to the cell membranes, that are usually used for the envelope construction when the virus is exiting the cell. This structure helps with attachment to the cell and also assists evading the immune system of the host organism while the virion is searching for a cell to infect. [2]
The coronavirus can damage the heart, according to a major new study which found abnormalities in the heart function of more than half of patients.