Saaremaa Virus
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Saaremaa Virus
Saaremaa virus is a single-stranded, negative-sense, RNA virus ''Orthohantavirus'' that causes a milder form of Hantavirus hemorrhagic fever with renal syndrome. It is a member virus of ''Dobrava-Belgrade orthohantavirus''. It was first isolated from a striped field mouse in Slovakia.Plyusnin, Alexander, Vaheri, Antti. Saaremaa Hantavirus Should Not Be Confused with Its Dangerous Relative, Dobrava Virus J. Clin. Microbiol. April 2006 vol. 44 no. 4 1608–1611 References External links Sloan Science and Film / Short Films / Muerto Canyonby Jen Peel 29 minutes by Brian Hjelle, M.D., Department of Pathology, School of Medicine, University of New Mexico Virus Pathogen Database and Analysis Resource (ViPR): Bunyaviridae
Viral diseases Hantaviridae Hemorrhagic fevers Rodent-carried diseases {{Virus-stub ...
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Single-stranded
When referring to DNA transcription, the coding strand (or informational strand) is the DNA strand whose base sequence is identical to the base sequence of the RNA transcript produced (although with thymine replaced by uracil). It is this strand which contains codons, while the non-coding strand contains anticodons. During transcription, RNA Pol II binds to the non-coding template strand, reads the anti-codons, and transcribes their sequence to synthesize an RNA transcript with complementary bases. By convention, the coding strand is the strand used when displaying a DNA sequence. It is presented in the 5' to 3' direction. Wherever a gene exists on a DNA molecule, one strand is the coding strand (or sense strand), and the other is the noncoding strand (also called the antisense strand, anticoding strand, template strand or transcribed strand). Strands in transcription bubble During transcription, RNA polymerase unwinds a short section of the DNA double helix near the start of ...
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Negative-sense
In molecular biology and genetics, the sense of a nucleic acid molecule, particularly of a strand of DNA or RNA, refers to the nature of the roles of the strand and its complement in specifying a sequence of amino acids. Depending on the context, sense may have slightly different meanings. For example, negative-sense strand of DNA is equivalent to the template strand, whereas the positive-sense strand is the non-template strand whose nucleotide sequence is equivalent to the sequence of the mRNA transcript. DNA sense Because of the complementary nature of base-pairing between nucleic acid polymers, a double-stranded DNA molecule will be composed of two strands with sequences that are reverse complements of each other. To help molecular biologists specifically identify each strand individually, the two strands are usually differentiated as the "sense" strand and the "antisense" strand. An individual strand of DNA is referred to as positive-sense (also positive (+) or simply sense) i ...
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RNA Virus
An RNA virus is a virusother than a retrovirusthat has ribonucleic acid (RNA) as its genetic material. The nucleic acid is usually single-stranded RNA ( ssRNA) but it may be double-stranded (dsRNA). Notable human diseases caused by RNA viruses include the common cold, influenza, SARS, MERS, Covid-19, Dengue Virus, hepatitis C, hepatitis E, West Nile fever, Ebola virus disease, rabies, polio, mumps, and measles. The International Committee on Taxonomy of Viruses (ICTV) classifies RNA viruses as those that belong to ''Group III'', ''Group IV'' or ''Group V'' of the Baltimore classification system. This category excludes ''Group VI'', viruses with RNA genetic material but which use DNA intermediates in their life cycle: these are called retroviruses, including HIV-1 and HIV-2 which cause AIDS. As of May 2020, all known RNA viruses encoding an RNA-directed RNA polymerase are believed to form a monophyletic group, known as the realm '' Riboviria''. The majority of such RNA ...
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Orthohantavirus
''Orthohantavirus'' is a genus of single-stranded, enveloped, negative-sense RNA viruses in the family ''Hantaviridae'' within the order ''Bunyavirales''. Members of this genus may be called orthohantaviruses or simply hantaviruses. Orthohantaviruses typically cause chronic asymptomatic infection in rodents. Humans may become infected with hantaviruses through contact with rodent urine, saliva, or feces. Some strains cause potentially fatal diseases in humans, such as hantavirus hemorrhagic fever with renal syndrome (HFRS), or hantavirus pulmonary syndrome (HPS), also known as hantavirus cardiopulmonary syndrome (HCPS), while others have not been associated with known human disease (e.g. Prospect Hill virus). HPS (HCPS) is a "rare respiratory illness associated with the inhalation of aerosolized rodent excreta (urine and feces) contaminated by hantavirus particles." Human infections of hantaviruses have almost entirely been linked to human contact with rodent excrement; however, ...
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Hantavirus Hemorrhagic Fever With Renal Syndrome
Hantavirus hemorrhagic fever with renal syndrome (HFRS) is a group of clinically similar illnesses caused by species of hantaviruses. It is also known as Korean hemorrhagic fever and epidemic hemorrhagic fever. It is found in Europe, Asia, and Africa. The species that cause HFRS include ''Hantaan orthohantavirus'', ''Dobrava-Belgrade orthohantavirus'', Saaremaa virus, '' Seoul orthohantavirus'', '' Puumala orthohantavirus'' and other orthohantaviruses. Of these species, Hantaan River virus and Dobrava-Belgrade virus cause the most severe form of the syndrome and have the highest morbidity rates. When caused by the Puumala virus, it is also called nephropathia epidemica. This infection is known as ''sorkfeber'' in Swedish, ''myyräkuume'' (vole fever) in Finnish, and ''musepest'' (mouse plague) in Norwegian. Both HFRS and hantavirus pulmonary syndrome (HPS) are caused by hantaviruses, specifically when humans inhale aerosolized excrements of infected rodents. Both diseases appear ...
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Member Virus
In biology, a strain is a genetic variant, a subtype or Axenic, a culture within a biological species. Strains are often seen as inherently artificial concepts, characterized by a specific intent for genetic isolation. This is most easily observed in microbiology where strains are derived from a single cell Colony (biology)#Microbial colonies, colony and are typically quarantined by the physical constraints of a Petri dish. Strains are also commonly referred to within virology, botany, and with Animal testing on rodents, rodents used in experimental studies. Microbiology and virology It has been said that "there is no universally accepted definition for the terms 'strain', 'Variant (biology), variant', and 'isolate' in the virology community, and most virologists simply copy the usage of terms from others". A strain is a Genetics, genetic variant or subtype of a microorganism (e.g., a virus, bacterium or fungus). For example, a "flu strain" is a certain biological form of the i ...
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Dobrava-Belgrade Orthohantavirus
''Dobrava-Belgrade orthohantavirus'' (DOBV), also known as Dobrava virus, is an enveloped, single-stranded, negative-sense RNA virus species of Old World ''Orthohantavirus''. It is one of several species of Hantavirus that is the causative agent of severe Hantavirus hemorrhagic fever with renal syndrome. It was first isolated in 1985 from a yellow-necked mouse (''Apodemus flavicollis'') found in the village of Dobrava, southeastern Slovenia. It was subsequently isolated in striped field mice in Russia and other parts of Eastern Europe. It has also been found in Germany but the reservoir host there is unknown. Phylogeny Four genotypes are described: * Dobrava, observed mostly in southeastern Europe * Kurkino, observed throughout northern and eastern Europe * Saaremaa, observed in Estonia and Slovakia * Sochi, observed in the Black Sea coast region of Russia Disease Clinical presentation varies between the four genotypes. Dobrava is the most virulent, with a case-fatality rate (C ...
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Striped Field Mouse
The striped field mouse (''Apodemus agrarius'') is a rodent in the family Muridae. The range of this species stretches from Eastern Europe to Eastern Asia. Synonyms Accepted synonyms include ''Apodemus albostriatus'' (Bechstein, 1801), ''Apodemus caucasicus'' (Kuznetzov, 1944), ''Apodemus chejuensis'' (Johnson and Jones, 1955), ''Apodemus coreae'' (Thomas, 1908), ''Apodemus gloveri'' (Kuroda, 1939), ''Apodemus harti'' (Thomas, 1898), ''Apodemus henrici'' (Lehmann, 1970), ''Apodemus insulaemus'' (Tokuda, 1939 and 1941), ''Apodemus istrianus'' (Kryštufek, 1985), ''Apodemus kahmanni'' (Malec and Storch, 1963), '' Apodemus karelicus'' (Ehrström, 1914), ''Apodemus maculatus'' (Bechstein, 1801), ''Apodemus mantchuricus'' (Thomas, 1898), ''Apodemus nicolskii'' (Charlemagne, 1933), ''Apodemus nikolskii'' (Migouline, 1927), ''Apodemus ningpoensis'' (Swinhoe, 1870), ''Apodemus ognevi'' (Johansen, 1923), ''Apodemus pallescens'' (Johnson and Jones, 1955), ''Apodemus pallidior'' (Thomas, 1 ...
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Slovakia
Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the southwest, and the Czech Republic to the northwest. Slovakia's mostly mountainous territory spans about , with a population of over 5.4 million. The capital and largest city is Bratislava, while the second largest city is Košice. The Slavs arrived in the territory of present-day Slovakia in the fifth and sixth centuries. In the seventh century, they played a significant role in the creation of Samo's Empire. In the ninth century, they established the Principality of Nitra, which was later conquered by the Principality of Moravia to establish Great Moravia. In the 10th century, after the dissolution of Great Moravia, the territory was integrated into the Principality of Hungary, which then became the Kingdom of Hungary in 1000. In 1241 a ...
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Viral Diseases
Viral means "relating to viruses" (small infectious agents). Viral may also refer to: Viral behavior, or virality Memetic behavior likened that of a virus, for example: * Viral marketing, the use of existing social networks to spread a marketing message * Viral phenomenon, relating to contagion theory or the "virality" of network culture, such as a meme * Viral video, a video that quickly attains a high popularity Titled works * ''Viral'' (2016 American film), a 2016 American science fiction horror drama * ''Viral'' (2016 Hindi film), an Indian Bollywood film based on social media * ''Viral'' (web series), a 2014 Brazilian comedy web series * '' V/H/S: Viral'', an American anthology horror film * '' Viral: The Search for the Origin of COVID-19'', a book by Alina Chand and Matt Ridley See also * ''Virals'', a novel series by Kathy Reichs * Virulence Virulence is a pathogen's or microorganism's ability to cause damage to a host. In most, especially in animal system ...
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Hantaviridae
''Hantaviridae'' is a family of viruses in the order ''Bunyavirales''. It is named for the Hantan River area in South Korea where an early outbreak of one of its species was observed. Taxonomy * '' Actantavirinae'' ** '' Actinovirus'' * '' Agantavirinae'' ** '' Agnathovirus'' * '' Mammantavirinae'' ** '' Loanvirus'' ** '' Mobatvirus'' ** ''Orthohantavirus ''Orthohantavirus'' is a genus of single-stranded, enveloped, negative-sense RNA viruses in the family '' Hantaviridae'' within the order ''Bunyavirales''. Members of this genus may be called orthohantaviruses or simply hantaviruses. Orthohantav ...'' ** '' Thottimvirus'' * '' Repantavirinae'' ** '' Reptillovirus'' References {{Taxonbar, from=Q29001075 Virus families Bunyavirales ...
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Hemorrhagic Fevers
Bleeding, hemorrhage, haemorrhage or blood loss, is blood escaping from the circulatory system from damaged blood vessels. Bleeding can occur internally, or externally either through a natural opening such as the mouth, nose, ear, urethra, vagina or anus, or through a puncture in the skin. Hypovolemia is a massive decrease in blood volume, and death by excessive loss of blood is referred to as exsanguination. Typically, a healthy person can endure a loss of 10–15% of the total blood volume without serious medical difficulties (by comparison, blood donation typically takes 8–10% of the donor's blood volume). The stopping or controlling of bleeding is called hemostasis and is an important part of both first aid and surgery. Types * Upper head ** Intracranial hemorrhage – bleeding in the skull. ** Cerebral hemorrhage – a type of intracranial hemorrhage, bleeding within the brain tissue itself. ** Intracerebral hemorrhage – bleeding in the brain caused by the ruptu ...
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