Deltacoronavirus: Difference between revisions

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'''Deltacoronavirus''' is a genus of [[coronaviruses]], which are a group of related [[virus|viruses]] that cause diseases in mammals and birds. In humans and birds, they cause [[respiratory tract infection]]s that can range from mild to lethal. Mild illnesses in humans include some cases of the common cold (which is also caused by other viruses, predominantly [[rhinoviruses]]), while more lethal varieties can cause [[SARS]], [[MERS]], and [[COVID-19]]. In cows and pigs, they cause [[diarrhea]], while in mice, they cause [[hepatitis]] and [[encephalomyelitis]].
{{DISPLAYTITLE:Deltacoronavirus}}


== Taxonomy ==
== Overview ==
[[File:Deltacoronavirus 14-1859-F1.jpg|thumb|right|Electron micrograph of a deltacoronavirus particle]]
'''Deltacoronavirus''' is a genus of [[coronavirus]]es in the subfamily [[Orthocoronavirinae]], family [[Coronaviridae]], order [[Nidovirales]]. Coronaviruses are enveloped, positive-sense, single-stranded [[RNA virus]]es. The deltacoronaviruses are one of the four genera of coronaviruses, the others being [[Alphacoronavirus]], [[Betacoronavirus]], and [[Gammacoronavirus]].


Deltacoronavirus is one of the four genera (Alpha-, Beta-, Gamma-, and Deltacoronavirus) of coronaviruses. The genus Deltacoronavirus is composed of a single species, ''[[Coronavirus bulbul]]''. The species has two subspecies: ''[[Coronavirus bulbul human]]'' and ''[[Coronavirus bulbul porcine]]''.
== Structure ==
Deltacoronaviruses, like other coronaviruses, have a characteristic crown-like appearance due to the presence of spike glycoproteins on their surface. These viruses have a lipid bilayer envelope, a nucleocapsid composed of nucleoprotein, and a large genome of approximately 26 to 32 kilobases.


== History ==
== Genome ==
The genome of deltacoronaviruses is a single-stranded, positive-sense RNA. It encodes several structural proteins, including the spike (S), envelope (E), membrane (M), and nucleocapsid (N) proteins, as well as several non-structural proteins involved in viral replication and transcription.


Deltacoronaviruses were first discovered in 2012 in pigs in Hong Kong. However, it is believed that they have been present in birds and mammals for a long time. The viruses were found in a variety of bird species, including pigeons, sparrows, and bulbul birds.
== Host Range ==
Deltacoronaviruses primarily infect birds and some mammals. They have been identified in various avian species and have also been found in pigs. The ability of deltacoronaviruses to cross species barriers and infect different hosts is a subject of ongoing research.


== Transmission ==
== Pathogenesis ==
Infection with deltacoronaviruses can lead to respiratory and gastrointestinal symptoms in their hosts. The severity of the disease can vary depending on the host species and the specific virus strain. In pigs, deltacoronaviruses can cause diarrhea and vomiting, leading to significant economic losses in the swine industry.


Deltacoronaviruses are primarily transmitted through direct contact with infected individuals, or through aerosol transmission. They can also be transmitted through the fecal-oral route.
== Epidemiology ==
Deltacoronaviruses have a wide geographic distribution and have been detected in Asia, Europe, and North America. The transmission dynamics of these viruses are not fully understood, but they are believed to spread through direct contact and possibly through the air.


== Symptoms and Treatment ==
== Research ==
 
Research on deltacoronaviruses is focused on understanding their molecular biology, host interactions, and potential for zoonotic transmission. Studies are also being conducted to develop vaccines and antiviral therapies to control infections in animals.
In humans, deltacoronaviruses can cause a range of symptoms, from mild cold-like symptoms to severe respiratory illness. In animals, they can cause diarrhea and other gastrointestinal symptoms.
 
There is currently no specific treatment for infection with deltacoronaviruses. Treatment is supportive and based on the symptoms.
 
== See Also ==


== Related pages ==
* [[Coronavirus]]
* [[Coronavirus]]
* [[SARS-CoV-2]]
* [[RNA virus]]
* [[MERS-CoV]]
* [[Zoonosis]]
* [[COVID-19 pandemic]]
* [[Viral replication]]


[[Category:Coronaviruses]]
[[Category:Coronaviruses]]
[[Category:Viral respiratory tract infections]]
[[Category:Virology]]
[[Category:Zoonoses]]
 
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Revision as of 11:00, 15 February 2025


Overview

File:Deltacoronavirus 14-1859-F1.jpg
Electron micrograph of a deltacoronavirus particle

Deltacoronavirus is a genus of coronaviruses in the subfamily Orthocoronavirinae, family Coronaviridae, order Nidovirales. Coronaviruses are enveloped, positive-sense, single-stranded RNA viruses. The deltacoronaviruses are one of the four genera of coronaviruses, the others being Alphacoronavirus, Betacoronavirus, and Gammacoronavirus.

Structure

Deltacoronaviruses, like other coronaviruses, have a characteristic crown-like appearance due to the presence of spike glycoproteins on their surface. These viruses have a lipid bilayer envelope, a nucleocapsid composed of nucleoprotein, and a large genome of approximately 26 to 32 kilobases.

Genome

The genome of deltacoronaviruses is a single-stranded, positive-sense RNA. It encodes several structural proteins, including the spike (S), envelope (E), membrane (M), and nucleocapsid (N) proteins, as well as several non-structural proteins involved in viral replication and transcription.

Host Range

Deltacoronaviruses primarily infect birds and some mammals. They have been identified in various avian species and have also been found in pigs. The ability of deltacoronaviruses to cross species barriers and infect different hosts is a subject of ongoing research.

Pathogenesis

Infection with deltacoronaviruses can lead to respiratory and gastrointestinal symptoms in their hosts. The severity of the disease can vary depending on the host species and the specific virus strain. In pigs, deltacoronaviruses can cause diarrhea and vomiting, leading to significant economic losses in the swine industry.

Epidemiology

Deltacoronaviruses have a wide geographic distribution and have been detected in Asia, Europe, and North America. The transmission dynamics of these viruses are not fully understood, but they are believed to spread through direct contact and possibly through the air.

Research

Research on deltacoronaviruses is focused on understanding their molecular biology, host interactions, and potential for zoonotic transmission. Studies are also being conducted to develop vaccines and antiviral therapies to control infections in animals.

Related pages