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Iltovirus Gallidalpha1
''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Diseases associated with this genus include: acute respiratory diseases: gaHV-1: infectious laryngotracheitis; psHV-1: Pacheco's disease. Species The genus consists of the following species: * ''Iltovirus cacatuidalpha2'' * '' Iltovirus gallidalpha1'', also called Gallid alphaherpesvirus 1 * ''Iltovirus psittacidalpha1'', also called Psittacid alphaherpesvirus 1 * ''Iltovirus psittacidalpha5 ''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Disease ...'' Structure Viruses in ''Iltovirus'' are enveloped, with icosahedral, spherical to pleomorphic, and ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transmission Electron Microscopy
Transmission electron microscopy (TEM) is a microscopy technique in which a beam of electrons is transmitted through a specimen to form an image. The specimen is most often an ultrathin section less than 100 nm thick or a suspension on a grid. An image is formed from the interaction of the electrons with the sample as the beam is transmitted through the specimen. The image is then magnified and focused onto an imaging device, such as a fluorescent screen, a layer of photographic film, or a detector such as a scintillator attached to a charge-coupled device or a direct electron detector. Transmission electron microscopes are capable of imaging at a significantly higher resolution than light microscopes, owing to the smaller de Broglie wavelength of electrons. This enables the instrument to capture fine detail—even as small as a single column of atoms, which is thousands of times smaller than a resolvable object seen in a light microscope. Transmission electron micr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laryngitis
Laryngitis is inflammation of the larynx (voice box). Symptoms often include a hoarse voice and may include fever, cough, pain in the front of the neck, and trouble swallowing. Typically, these last under 2 weeks. Causes Laryngitis is categorized as acute if it lasts less than 3 weeks and chronic if symptoms last more than 3 weeks. Acute cases usually occur as part of a viral upper respiratory tract infection, other infections, and trauma such as from coughing or other causes. Chronic cases may occur due to smoking, tuberculosis, allergies, acid reflux, rheumatoid arthritis, or sarcoidosis. The underlying mechanism involves irritation of the vocal cords. Diagnosis Concerning signs that may require further investigation include stridor, history of radiation therapy to the neck, trouble swallowing, duration of more than 3 weeks, and a history of smoking. If concerning signs are present. the vocal cords should be examined via laryngoscopy. Other conditions that can pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iltovirus Psittacidalpha5
''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Diseases associated with this genus include: acute respiratory diseases: gaHV-1: infectious laryngotracheitis; psHV-1: Pacheco's disease. Species The genus consists of the following species: * ''Iltovirus cacatuidalpha2'' * '' Iltovirus gallidalpha1'', also called Gallid alphaherpesvirus 1 * ''Iltovirus psittacidalpha1 ''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Disease ...'', also called Psittacid alphaherpesvirus 1 * '' Iltovirus psittacidalpha5'' Structure Viruses in ''Iltovirus'' are enveloped, with icosahedral, spherical to pleomorphic, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iltovirus Psittacidalpha1
''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Diseases associated with this genus include: acute respiratory diseases: gaHV-1: infectious laryngotracheitis; psHV-1: Pacheco's disease. Species The genus consists of the following species: * ''Iltovirus cacatuidalpha2 ''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliformes, galliform birds, psittacinae, psittacine birds, chickens, turkey (bird), turkeys, an ...'' * '' Iltovirus gallidalpha1'', also called Gallid alphaherpesvirus 1 * '' Iltovirus psittacidalpha1'', also called Psittacid alphaherpesvirus 1 * '' Iltovirus psittacidalpha5'' Structure Viruses in ''Iltovirus'' are enveloped, with icosahedral, spherical to pleomorphic, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gallid Alphaherpesvirus 1
Gallid alphaherpesvirus 1 (GaHV-1) is a species of virus in the order ''Herpesvirales'', family ''Herpesviridae'', subfamily ''Alphaherpesvirinae'', and genus ''Iltovirus''. Originally recognised in chickens in the United States in 1926, this virus causes avian infectious laryngotracheitis (abbreviated as AILT, ILT, or LT), a potentially fatal, economically deleterious disease, widely recognised as one of the most contagious diseases in the poultry industry. The virus and its associated disease also occur in pheasants. Taxonomy Gallid alphaherpesvirus 1 is classified in the genus ''Iltovirus''. There are two other herpesviruses that affect chickens: Gallid alphaherpesvirus 2 (cause of Marek's disease) and Gallid alphaherpesvirus 3. Both of these are in a separate genus to Gallid alphaherpesvirus 1; ''Mardivirus'', which is united with ''Iltovirus'' under the same subfamily; ''Alphaherpesvirinae''. Pathology Transmission GaHV-1 is shed in respiratory secretions and transmitted ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iltovirus Gallidalpha1
''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Diseases associated with this genus include: acute respiratory diseases: gaHV-1: infectious laryngotracheitis; psHV-1: Pacheco's disease. Species The genus consists of the following species: * ''Iltovirus cacatuidalpha2'' * '' Iltovirus gallidalpha1'', also called Gallid alphaherpesvirus 1 * ''Iltovirus psittacidalpha1'', also called Psittacid alphaherpesvirus 1 * ''Iltovirus psittacidalpha5 ''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliform birds, psittacine birds, chickens, turkeys, and quail serve as natural hosts. Disease ...'' Structure Viruses in ''Iltovirus'' are enveloped, with icosahedral, spherical to pleomorphic, and ro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Iltovirus Cacatuidalpha2
''Iltovirus'' is a genus of viruses in the order ''Herpesvirales'', in the family ''Herpesviridae'', in the subfamily ''Alphaherpesvirinae''. Birds, galliformes, galliform birds, psittacinae, psittacine birds, chickens, turkey (bird), turkeys, and quail serve as natural hosts. Diseases associated with this genus include: acute respiratory diseases: gaHV-1: infectious Laryngitis, laryngotracheitis; psHV-1: Pacheco's disease. Species The genus consists of the following species: * ''Iltovirus cacatuidalpha2'' * ''Iltovirus gallidalpha1'', also called Gallid alphaherpesvirus 1 * ''Iltovirus psittacidalpha1'', also called Psittacid alphaherpesvirus 1 * ''Iltovirus psittacidalpha5'' Structure Viruses in ''Iltovirus'' are enveloped, with icosahedral, spherical to pleomorphic, and round geometries, and T=16 symmetry. The diameter is around 120-200 nm. Genomes are linear and non-segmented, around 150kb in length. Life cycle Viral replication is nuclear, and is lysogenic. Entry in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quail
Quail is a collective name for several genera of mid-sized birds generally placed in the order Galliformes. The collective noun for a group of quail is a flock, covey, or bevy. Old World quail are placed in the family Phasianidae, and New World quail are placed in the family Odontophoridae. The species of buttonquail are named for their superficial resemblance to quail, and form the family Turnicidae in the order Charadriiformes. The king quail, an Old World quail, often is sold in the pet trade, and within this trade is commonly, though mistakenly, referred to as a "button quail". Many of the common larger species are farm-raised for table food or egg consumption, and are hunted on game farms or in the wild, where they may be released to supplement the wild population, or extend into areas outside their natural range. In 2007, 40 million quail were produced in the United States. New World *Genus '' Callipepla'' ** Scaled quail, (commonly called blue quail) ''Callip ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viruses
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, more than 16,000 of the millions of virus species have been described in detail. The study of viruses is known as virology, a subspeciality of microbiology. When infected, a host cell is often forced to rapidly produce thousands of copies of the original virus. When not inside an infected cell or in the process of infecting a cell, viruses exist in the form of independent viral particles, or ''virions'', consisting of (i) genetic material, i.e., long molecules of DNA or RNA that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turkey (bird)
The turkey is a large bird in the genus ''Meleagris'', native to North America. There are two extant turkey species: the wild turkey (''Meleagris gallopavo'') of eastern and central North America and the ocellated turkey (''Meleagris ocellata'') of the Yucatán Peninsula in Mexico. Males of both turkey species have a distinctive fleshy wattle, called a snood, that hangs from the top of the beak. They are among the largest birds in their ranges. As with many large ground-feeding birds (order Galliformes), the male is bigger and much more colorful than the female. The earliest turkeys evolved in North America over 20 million years ago. They share a recent common ancestor with grouse, pheasants, and other fowl. The wild turkey species is the ancestor of the domestic turkey, which was domesticated approximately 2,000 years ago by indigenous peoples. It was this domesticated turkey that later reached Eurasia, during the Columbian exchange. Taxonomy The genus ''Meleagris' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
