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Kolmioviridae
''Ribozyviria'' is a Realm (virology), realm of Satellite (biology), satellite nucleic acids. Established in International Committee on Taxonomy of Viruses, ICTV TaxoProp 2020.012D, the realm is named after the presence of genomic and antigenomic ribozymes of the ''Deltavirus'' type. Additional common features include a rod-like structure, a RNA-binding "delta antigen" encoded in the genome, and animal hosts. Furthermore, the size range of the genomes of these viruses is between around 1547–1735nt, they encode a hammerhead ribozyme or a hepatitis delta virus ribozyme, and their coding capacity only involves one conserved protein. Most lineages of this realm are poorly understood, the notable exception being members of the genus ''Deltavirus'', the causal agents of Hepatitis D in humans. This realm of viruses have an unclear origin. They may have derived from Retrozyme, retrozymes (a family of retrotransposon, retrotransposons) or one of the other groups of mobile genetic element ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Realm (virology)
In virology, realm is the highest taxonomic rank established for viruses by the International Committee on Taxonomy of Viruses (ICTV), which oversees virus taxonomy. Six virus realms are recognized and united by specific highly conserved traits: * ''Adnaviria'', which contains archaeal filamentous viruses with A-form double-stranded (ds) DNA genomes encoding a unique alpha-helical major capsid protein; * ''Duplodnaviria'', which contains all dsDNA viruses that encode the HK97-fold major capsid protein; * ''Monodnaviria'', which contains all single-stranded DNA (ssDNA) viruses that encode a HUH superfamily endonuclease and their descendants; * '' Riboviria'', which contains all RNA viruses that encode RNA-dependent RNA polymerase and all viruses that encode reverse transcriptase; * ''Ribozyviria'', which contains hepatitis delta-like viruses with circular, negative-sense ssRNA genomes; * and ''Varidnaviria'', which contains all dsDNA viruses that encode a vertical jelly rol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Retrozyme
Retrozymes are a family of retrotransposons first discovered in the genomes of plants but now also known in genomes of animals. Retrozymes contain a hammerhead ribozyme (HHR) in their sequences (and so the name ''retrozyme'' is a combination of ''retrotransposon'' and ''hammerhead ribozyme''), although they do not possess any coding regions. Retrozymes are nonautonomous retroelements, and so borrow proteins from other elements to move into new regions of a genome. Retrozymes are actively transcribed into covalently closed circular RNAs (circRNAs or cccRNAs) and are detected in both polarities, which may indicate the use of rolling circle replication in their lifecycle. The genomic structure of a retrozyme in plants involves a central non-coding region that may stretch about 300–600nt flanked by long terminal repeats about 300–400nt containing the HHR motif. They also have two sequences (a primer binding site (PBS) complementary to the tRNA-Met sequence and a poly-purine tract (PP ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Satellite (biology)
A satellite is a subviral agent that depends on the coinfection of a host cell with a helper virus for its replication. Satellites can be divided into two major classes: satellite viruses and satellite nucleic acids. Satellite viruses, which are most commonly associated with plants, are also found in mammals, arthropods, and bacteria. They encode structural proteins to enclose their genetic material, which are therefore distinct from the structural proteins of their helper viruses. Satellite nucleic acids, in contrast, do not encode their own structural proteins, but instead are encapsulated by proteins encoded by their helper viruses. The genomes of satellites range upward from 359 nucleotides in length for satellite tobacco ringspot virus RNA (STobRV). Most viruses have the capability to use host enzymes or their own replication machinery to independently replicate their own viral RNA. Satellites, in contrast, are completely dependent on a helper virus for replication. The s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cynops Orientalis
The Chinese fire belly newt (''Cynops orientalis'') is a small () black newt, with bright-orange aposematic coloration on their ventral sides. ''C. orientalis'' is commonly seen in pet stores, where it is frequently confused with the Japanese fire belly newt (''C. pyrrhogaster'') due to similarities in size and coloration. ''C. orientalis'' typically exhibits smoother skin and a rounder tail than ''C. pyrrhogaster'', and has less obvious parotoid glands. Toxicology Chinese fire belly newts are mildly poisonous and excrete toxins through their skin. Consisting primarily of tetrodotoxins, newts of the genus ''Cynops'' pose a medically significant threat if enough toxins are consumed, and toxins may cause numbness or irritation on skin contact. Gallery File:Cynops orientalis - Chinesischer Feuerbauchmolch.jpg, Underside Cynops orientalis.JPG, Underwater Chinese_Fire_Bellied_Newts.JPG, A pair Cynops orientalis biofluorescence - 41598 2020 59528 Fig2-bottom (cropped).png, Biof ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dagazvirus
''Dagazvirus'' is a genus of viruses in the realm ''Ribozyviria ''Ribozyviria'' is a realm of satellite nucleic acids. Established in ICTV TaxoProp 2020.012D, the realm is named after the presence of genomic and antigenomic ribozymes of the ''Deltavirus'' type. Additional common features include a rod-like s ...'', containing the single species ''Dagazvirus schedorhinotermitis''. It is the only species within its realm known to be hosted by an invertebrate animal; the termite '' Schedorhinotermes intermedius''. References Virus genera {{Virus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Schedorhinotermes Intermedius
''Schedorhinotermes intermedius'' is a species of termite in the family Rhinotermitidae, endemic to eastern Australia. Description Members of the worker caste possess internally serrated mandibles, a centrally grooved labrum, a fontanelle, and a flat pronotum with no anterior lobes. The soldier caste is dimorphic, with major and minor soldiers. The major soldier is 5.0–7.5 mm long, whereas the minor soldier is 3.0–5.0 mm long, with a narrower head, more slender mandibles, and longer labrum that extends to the tip of the mandibles. Distribution and habitat This species is distributed from south-eastern Queensland to just south of Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ..., mainly in coastal regions. In nature they build their nests in tree stumps, but the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daletvirus
''Daletvirus'' is a genus of viruses in the Realm (virology), realm ''Ribozyviria'', containing the single species ''Daletvirus boae''. Host ''Boa constrictor'' and the white-eyed python (''Liasis mackloti savuensis'') serve as its hosts. File:BoaConstrictor.JPG, ''B. constrictor'' File:Liasis mackloti savuensis 3.jpg, ''L. mackloti savuensis'' References Virus genera {{Virus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boa Constrictor
The boa constrictor (scientific name also ''Boa constrictor''), also called the red-tailed boa, is a species of large, non-venomous, heavy-bodied snake that is frequently kept and bred in captivity. The boa constrictor is a member of the family Boidae, found in tropical South America, as well as some islands in the Caribbean. A staple of private collections and public displays, its color pattern is highly variable yet distinctive. Four subspecies are currently recognized. This article focuses on the species ''Boa constrictor'' as a whole, and on the nominate subspecies ''B. c. constrictor''. Common names Though all boids are constrictors, only this species is properly referred to as a "boa constrictor"—a rare instance of an animal having the same common English name and scientific binomial name. All subspecies are referred to as "boa constrictors", and are part of a diverse group of New World boas referred to as "red-tailed" boas, comprising species of both ''Boa constrictor' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liasis Mackloti Savuensis
''Liasis mackloti savuensis'', known as the Savu python, is a python subspecies found in Indonesia. It is known by the locals as ''sanca mata putih'' (white-eyed python). Distribution and habitat The type locality given is " Savu Id." (=Sawoe, Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...). See also * '' Daletvirus boae'' References External links * mackloti savuensis Taxa named by Leo Brongersma {{Alethinophidia-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxonomy
Taxonomy is the practice and science of categorization or classification. A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. Among other things, a taxonomy can be used to organize and index knowledge (stored as documents, articles, videos, etc.), such as in the form of a library classification system, or a search engine taxonomy, so that users can more easily find the information they are searching for. Many taxonomies are hierarchies (and thus, have an intrinsic tree structure), but not all are. Originally, taxonomy referred only to the categorisation of organisms or a particular categorisation of organisms. In a wider, more general sense, it may refer to a categorisation of things or concepts, as well as to the principles underlying such a categorisation. Taxonomy organizes taxonomic units known as "taxa" (singular "taxon")." Taxonomy is different from me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daazvirus
''Daazvirus'' is a genus of viruses in the realm ''Ribozyviria'', containing the single species ''Daazvirus cynopis''. Host The Chinese fire belly newt (''Cynops orientalis The Chinese fire belly newt (''Cynops orientalis'') is a small () black newt, with bright-orange aposematic coloration on their ventral sides. ''C. orientalis'' is commonly seen in pet stores, where it is frequently confused with the Japanese f ...'') serves as its host. File:Cynops orientalis.JPG, ''C. orientalis'' References Virus genera Monotypic genera {{Virus-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anas Gracilis
The grey teal (''Anas gracilis'') is a dabbling duck found in open wetlands in Australia and New Zealand. Description It can be identified due to the presence of a crimson coloured iris in its eyes.Winter, M. (2018). Grey Teal. Wilderness Magazine, (September 2018). Retrieved from https://www.wildernessmag.co.nz/grey-teal/ This crimson colour is relatively more prominent in adult males.[Marchant, S., & Higgins, P. (1990). Handbook of Australian, New Zealand & Antarctic Birds. Volume 1, Ratites to ducks; Part B Australian pelican to ducks. (pp. 1252-1281). Melbourne: Oxford University Press.] It is a mottled brown duck with white and green flashes on its wings. Males and females share the same colouration, in contrast to the related chestnut teal, whose male and female are strikingly different. The grey teal has almost identical colouration to the female chestnut teal and the grey can only be distinguished by its lighter coloured neck and paler face. Juveniles are paler than adul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
