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Elephant endotheliotropic herpesviruses (EEHV) are herpesviruses that infect elephants. They can cause a highly fatal hemorrhagic disease when transmitted to young Asian elephants . In African elephants, related forms of these viruses, which have been identified in wild populations, are generally benign, occasionally surfacing to cause small ...
Proboscivirus is located under the listings of the ICTV Updates as Section §2005.049-050V.04. [4] With the creation of Proboscivirus as a new genus came the creation and categorization of a new species under this genus, by the name of Elephantid betaherpesvirus 1 (Acronym: EEHV1 and Scientific Name: Elephant endotheliotropic herpesvirus) [5] under ICTV §2005.051-050V.04.
The virus can also target the epithelium of the mucous membranes of these organ systems. [20] Virus particles tend to exit from the lumen of the endothelium, leading to viral antigens found in the blood and lymphatic endothelial cells. However, as this virus spreads, it will be targeted to endothelial cells in lung but not in the brain, for ...
Gamma phage, an example of virus particles (visualised by electron microscopy) Virology is the scientific study of biological viruses.It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they ...
Viruses, however, use a completely different mechanism to cause disease. Upon entry into the host, they can do one of two things. Many times, viral pathogens enter the lytic cycle; this is when the virus inserts its DNA or RNA into the host cell, replicates, and eventually causes the cell to lyse, releasing more viruses into the environment.
Replication of such 'active' endogenous viruses can lead to the proliferation of viral insertions in the germline. For most non-retroviral viruses, germline integration appears to be a rare, anomalous event, and the resulting EVEs are often only fragments of the parent virus genome.
The viral eukaryogenesis hypothesis posits that eukaryotes are composed of three ancestral elements: a viral component that became the modern nucleus; a prokaryotic cell (an archaeon according to the eocyte hypothesis) which donated the cytoplasm and cell membrane of modern cells; and another prokaryotic cell (here bacterium) that, by endocytosis, became the modern mitochondrion or chloroplast.
In children, a complication can be hemolytic uremic syndrome which then uses cytotoxins to attack the cells in the gut, so that bacteria can leak out into the blood and cause endothelial injury in locations such as the kidney by binding to globotriaosylceramide (Gb3). [citation needed] EHECs that induce bloody diarrhea lead to HUS in 10% of cases.