Virus-like RNA-based origin[edit]. Sex might also have been present even earlier, in the hypothesized RNA world that preceded ... such as influenza virus, and in extant double-stranded segmented RNA viruses such as reovirus.[64] ... the VE hypothesis specifies a pox-like virus as the lysogenic virus. A pox-like virus is a likely ancestor because of its ... RNA world was based on the type of sexual interaction that is known to occur in extant single-stranded segmented RNA viruses, ...
The virus attacks compromised skin through direct contact, possibly entering through tiny cuts and abrasions in the stratum ... is a new wart treatment which may trigger a host immune response to the wart virus, resulting in wart resolution. It is now ... RNA virus. Paramyxoviridae. *MeV *Measles. Togaviridae. *Rubella virus *Rubella. *Congenital rubella syndrome ("German measles ...
Usually, herpangina is produced by one particular strain of coxsackie virus A (and the term "herpangina virus" refers to ... RNA virus. Paramyxoviridae. *MeV *Measles. Togaviridae. *Rubella virus *Rubella. *Congenital rubella syndrome ("German measles ...
... is an infectious disease caused by certain types of virus.[2] Most infections occur before the age of three.[1] ... The disease was first described in 1910 while the causal virus was determined in 1988.[1] The disease may reactivate in those ... RNA virus. Paramyxoviridae. *MeV *Measles. Togaviridae. *Rubella virus *Rubella. *Congenital rubella syndrome ("German measles ... "Contributions of neurotropic human herpesviruses herpes simplex virus 1 and human herpesvirus 6 to neurodegenerative disease ...
MC is caused by a poxvirus called the molluscum contagiosum virus (MCV).[1] The virus is spread either by direct contact ... Molluscum contagiosum virus spread by direct contact or contaminated objects[4]. Risk factors. Weak immune system, atopic ... Chen, X; Anstey, AV; Bugert, JJ (October 2013). "Molluscum contagiosum virus infection". Lancet Infectious Diseases. 13 (10): ... "Treatment Options - Molluscum Contagiosum - Pox viruses - CDC". www.cdc.gov. 2 October 2017.. ...
This is to keep the virus in circulation thereby exposing the population to the virus at an early age, when it is less harmful ... After a chickenpox infection, the virus remains dormant in the body's nerve tissues. The immune system keeps the virus at bay, ... "Understanding Viruses (2nd ed.). Jones & Bartlett. p. 459. ISBN 978-0-7637-8553-6. . Archived from the original on 1 October ... Wharton M (1996). "The epidemiology of varicella-zoster virus infections". Infect Dis Clin North Am. 10 (3): 571-81. doi: ...
Infection with this virus is thought to be lifelong, but a healthy immune system will keep the virus in check. Many people ... PAN, polyadenylated nuclear RNA - non-coding linear and circular RNAs miRNAs (mirKs) - viral microRNAs expressed during latency ... When the virus enters into lytic replication, thousands of virus particles can be made from a single cell, which usually ... When the virus reactivates into lytic replication, it is believed that the virus genome is replicated as a continuous linear ...
... is a skin infection primarily caused by the herpes simplex virus. The virus infects the cells in the ... Infection with either type of the HSV viruses occurs in the following way: First, the virus comes in contact with damaged skin ... The virus moves to the nerve cells from where it can reactivate. Once the condition has recurred, it is normally a mild ... This type of virus may be transmitted even if the symptoms are not yet present. Some individuals can have very mild symptoms ...
DNA virus. HBV (B). RNA virus. CBV. HAV (A). HCV (C). HDV (D). HEV (E). HGV (G). ... DNA virus. Human polyomavirus 2 Progressive multifocal leukoencephalopathy. RNA virus. MeV Subacute sclerosing panencephalitis ... RNA virus. HCV Hepatocellular carcinoma. Splenic marginal zone lymphoma. HTLV-I Adult T-cell leukemia/lymphoma. ... DNA virus. HBV Hepatocellular carcinoma. HPV Cervical cancer. Anal cancer. Penile cancer. Vulvar cancer. Vaginal cancer. ...
... s are caused by the human papilloma virus (HPV). There are about 130 known types of human papilloma viruses.[8] HPV infects ... Warts are caused by a virus, and toads do not harbor it.[42] A variety of traditional folk remedies and rituals claim to be ... The virus is resistant to drying and heat, but killed by 100 °C (212 °F) and ultraviolet radiation.[16] ... The virus is relatively hardy and immune to many common disinfectants. Exposure to 90% ethanol for at least 1 minute, 2% ...
The virus moves from the mouth to remain latent in the central nervous system. In approximately one-third of people, the virus ... Despite no cure or vaccine for the virus, a human body's immune system and specialty antigens typically fight the virus.[16] ... The cause is usually herpes simplex virus type 1 (HSV-1) and occasionally herpes simplex virus type 2 (HSV-2).[1] The infection ... but the virus remains dormant in the facial nerve.[1] The virus may periodically reactivate to create another outbreak of sores ...
Plant viruses induce the rearrangement of membranes structures to form the viroplasm. This is mostly shown for plant RNA ... Viroplasms have been found in the cauliflower mosaic virus, rotavirus, vaccinia virus and the rice dwarf virus. These appear ... The number and the size of viroplasms depend on the virus, the virus isolate, hosts species, and the stage of the infection. ... The viroplasm could also prevent virus degradation by proteases and nucleases. In the case of the Cauliflower mosaic virus ( ...
"Subversion of cellular autophagosomal machinery by RNA viruses". PLoS Biol. 3 (5): e156. doi:10.1371/journal.pbio.0030156. PMC ... Vesicular stomatitis virus is believed to be taken up by the autophagosome from the cytosol and translocated to the endosomes ... A subset of viruses and bacteria subvert the autophagic pathway to promote their own replication.[63] Galectin-8 has recently ... where detection takes place by a member of the PRRs called toll-like receptor 7, detecting single stranded RNA. Following ...
Both DNA and RNA viruses can undergo recombination. When two or more viruses, each containing lethal genomic damage infect the ... adenovirus simian virus 40, vaccinia virus, reovirus, poliovirus and herpes simplex virus as well as numerous bacteriophages.[ ... Viruses[edit]. Viruses are capsid-encoding organisms composed of proteins and nucleic acids that can self-assemble after ... Many types of virus are capable of genetic recombination. When two or more individual viruses of the same type infect a cell, ...
Most plant viruses have small, single-stranded RNA genomes. However some plant viruses also have double stranded RNA or single ... the insect and virus are specific for virus transmission such as the beet leafhopper that transmits the curly top virus causing ... Dodder, for example, is used as a conduit either for the transmission of viruses or virus-like agents from a host plant to a ... Plant viruses can have several more proteins and employ many different molecular translation methods. Plant viruses are ...
Such fragments are usually not capable of producing infectious virus, but may express protein or RNA. EVEs have been identified ... Mouse mammary tumor virus (MMTV) Murine leukemia virus (MLV), and xenotropic murine leukemia virus-related virus (XMRV) ... Koonin, E. (2010). "Taming of the shrewd: novel eukaryotic genes from RNA viruses". BMC Biology. 8: 2. doi:10.1186/1741-7007-8- ... "The evolution of novel fungal genes from non-retroviral RNA viruses". BMC Biology. 7: 88. doi:10.1186/1741-7007-7-88. ...
... as both types of RNA viruses infect bacteria as well as eukaryotes. Although the origin of viruses is still not well understood ... According to Koonin, RNA viruses colonized eukaryotes first and subsequently co-evolved with their hosts. This concept fits ... Furthermore, the recent discovery of an ssDNA mycovirus tempted some researchers to suggest that RNA and DNA viruses might have ... However, many virus families containing mycoviruses have only sparsely been sampled. Mycovirology is the study of viruses ...
Nucleoproteins and nucleocapsids of negative-strand RNA viruses. Current Opinion in Microbiology: 504-510. doi:10.1016/j.mib. ... Bunyamwera virus)[8],施馬倫貝格病毒[8],哈扎拉病毒(英语:Hazara virus)[9],克里米亚-刚果出血热(英语:Crimean-Congo hemorrhagic fever)[10],和拉萨病毒(英语:Lassa ... 病毒基因组(DNA或RNA)非常紧密地包装在病毒衣壳中[4][5]。因此,许多病毒只不过是有组织的核蛋白集合
Replication follows the positive stranded RNA virus replication model. Positive stranded rna virus transcription is the method ... The virus exits the host cell by bacteria lysis. Enterobacteria serve as the natural host. "Viral Zone". ExPASy. Retrieved 15 ... Allolevivirus is a genus of viruses, in the family Leviviridae. Enterobacteria serve as natural hosts. There are currently only ... "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015. Viralzone: Allolevivirus ICTV. ...
Replication follows the negative stranded RNA virus replication model. Negative stranded rna virus transcription, using ... The virus exits the host cell by budding, and tubule-guided viral movement. Plants serve as the natural host. The virus is ... "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015. Afonso, Claudio L.; Amarasinghe, Gaya K.; Bányai, Krisztián; Bào, Yīmíng ... Cytorhabdovirus is a genus of viruses in the family Rhabdoviridae, order Mononegavirales. Plants serve as natural hosts. Table ...
Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method ... Group: ssRNA(+) Order: Unassigned Family: Unassigned Genus: Polemovirus Poinsettia latent virus Viruses in Polemovirus are non- ... The virus exits the host cell by tubule-guided viral movement. Commercial cultivars of euphorbia pulcherrima serve as the ... Polemovirus is a genus of viruses. Commercial cultivars of euphorbia pulcherrima serve as natural hosts. There is only one ...
Replication follows the negative stranded RNA virus replication model. Negative stranded RNA virus transcription, using ... The virus exits the host cell by nuclear pore export. Horses, sheep, cattle, rodents, birds, and humans serve as the natural ... Currently, 16 viruses are assigned to eight species included in one genus in this family. Diseases associated with bornaviruses ... Bornaviridae is a family of viruses in the order Mononegavirales. Horses, sheep, cattle, rodents, birds, reptiles, and humans ...
Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method ... The virus exits the host cell by lysis, and viroporins. Cattle serve as the natural host. "Viral Zone". ExPASy. Retrieved 13 ... Hunnivirus is a genus of viruses in the order Picornavirales, in the family Picornaviridae. Cattle serve as natural hosts. ... 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 ... The virus that causes Hepatitis E belongs to the Orthohepevirus genus. Group: ssRNA+ Order: Unassigned Family: Hepeviridae ... This suggests that a recombination event at some point in the past between at least two distinct viruses gave rise to the ... Hepeviridae is a family of viruses. Human, pig, wild boar, sheep, cow, camel, monkey, some rodents, bats and chickens serve as ...
Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of ... The virus exits the host cell by cell to cell movement. Fungi serve as the natural host. Hypovirus CHV1 is the only hypovirus ... Hypovirus is a genus of viruses, in the family Hypoviridae. Fungi serve as natural hosts. There are currently four species in ... "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015. Peever, Tobin; Liu, Yir-Chung; Cortese, Paolo; Milgroom, Michael ( ...
Virus Taxonomy-Sixth Report of the International Committee on Taxonomy of Viruses. Archives of Virology Supplement. 10. Vienna ... et sua genoma per RNA unius fili sensu negativo scribunt. Duo notissima familiae genera sunt Ebolavirus et Marburgvirus. Ambo ... Virus Taxonomy-Seventh Report of the International Committee on Taxonomy of Viruses. San Diego, USA: Academic Press. pp. 539-48 ... Virus Taxonomy-Eighth Report of the International Committee on Taxonomy of Viruses. San Diego, USA: Elsevier/Academic Press. pp ...