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{{
{{Virusbox
| image = Viruses-08-00106-g001.png
| image_alt =
| image_caption = [[Crimean-Congo hemorrhagic fever virus]] (CCHFV) virion and replication cycle
| taxon = Bunyavirales
| display_parents = 2
| subdivision_ranks = Families
| subdivision_ref = <ref name=ICTV >{{cite web |title=Virus Taxonomy:
| subdivision =
* ''[[Arenaviridae]]''
* ''[[Cruliviridae]]''
* ''[[Fimoviridae]]''
* ''[[Hantaviridae]]''
* ''[[Leishbunyaviridae]]''
* ''[[Mypoviridae]]''
* ''[[Nairoviridae]]''
* ''[[Peribunyaviridae]]''
* ''[[Phasmaviridae]]''
* ''[[Phenuiviridae]]''
* ''[[Tospoviridae]]''
* ''[[Wupedeviridae]]''
}}
'''''Bunyavirales''''' is an order of segmented [[negative-
A majority of bunyaviruses are vector-borne. With the exception of [[Hantaviruses]] and [[Arenavirus]]es, all viruses in the ''Bunyavirales'' order are [[Arbovirus|transmitted by arthropods]] (mosquitos, tick, or sandfly). Hantaviruses are transmitted through contact with [[
Human infections with certain members of ''Bunyavirales'', such as ''[[Crimean-Congo hemorrhagic fever orthonairovirus]]'', are associated with high levels of morbidity and mortality, consequently handling of these viruses
[[Hantavirus]]es
== Virology ==
=== Structure ===
[[File:
Bunyavirus [[morphology (biology)|morphology]] is somewhat similar to that of the ''[[Paramyxoviridae]]'' family; ''Bunyavirales'' form enveloped, spherical virions with diameters of 80–120 [[nanometer|nm]]. These viruses contain no matrix proteins.<ref>{{Cite web|title=Bunyaviridae - Negative Sense RNA Viruses - Negative Sense RNA Viruses (2011)|url=https://ictv.global/report/chapter/peribunyaviridae|access-date=2020-09-08|website=International Committee on Taxonomy of Viruses (ICTV)|language=en}}</ref> Instead, the viral surface glycoproteins which form a continuous layer on the virion surface are thought to play a role in the formation of new virions by budding from a cell membrane.<ref name="pmid20219926">{{cite journal| author=Huiskonen JT, Hepojoki J, Laurinmäki P, Vaheri A, Lankinen H, Butcher SJ | display-authors=etal| title=Electron cryotomography of Tula hantavirus suggests a unique assembly paradigm for enveloped viruses. | journal=J Virol | year= 2010 | volume= 84 | issue= 10 | pages= 4889-97 | pmid=20219926 | doi=10.1128/JVI.00057-10 | pmc=2863824 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20219926 }} </ref>
=== Genome ===
Most
===
[[File:ONSR.Nairo.Fig3.
===
Bunyaviruses infect [[arthropod]]s, [[plant]]s, [[protozoa]]ns, and [[vertebrate]]s.<ref name=":0" /> Plants can host bunyaviruses from the families ''Tospoviridae'' and ''Fimoviridae''
== Taxonomy ==
[[File:Viruses-12-01010-g001-pdf-crop.jpg|thumb|Phylogenetic tree of ''Bunyavirales'']]
There are 477 virus species recognised in this order.<ref name="ICTV" /> The phylogenetic tree diagram provides a full list of member species and the hosts which they infect.<ref name=":0" /> The order is organized into the following 12 families:<ref name="ICTV" />
{{Div col|colwidth=20em}}
* ''[[Arenaviridae]]''▼
* ''[[Cruliviridae]]''▼
* ''[[Fimoviridae]]''▼
* ''[[Hantaviridae]]''▼
* ''[[Leishbunyaviridae]]''
* ''[[Mypoviridae]]''▼
* ''[[Nairoviridae]]''▼
* ''[[Peribunyaviridae]]''▼
* ''[[Phasmaviridae]]''▼
* ''[[Phenuiviridae]]''▼
* ''[[Tospoviridae]]''▼
* ''[[Wupedeviridae]]''▼
▲*''[[Arenaviridae]]''
▲*''[[Cruliviridae]]''
▲*''[[Fimoviridae]]''
▲*''[[Hantaviridae]]''
▲*''[[Mypoviridae]]''
▲*''[[Nairoviridae]]''
▲*''[[Peribunyaviridae]]''
▲*''[[Phasmaviridae]]''
▲*''[[Phenuiviridae]]''
▲*''[[Tospoviridae]]''
▲*''[[Wupedeviridae]]''
▲{{div col end}}
▲Plants can host bunyaviruses from the ''Tospoviridae'' and ''Fimoviridae'' families (tomato, pigeonpea, melon, wheat, raspberry, redbud, rose). Members of some families appear to be insect-specific, e.g. the phasmavirids, first isolated from [[Chaoboridae|phantom midges]],<ref name=Ballinger2014>{{cite journal | last1 = Ballinger | first1 = MJ | last2 = Bruenn | first2 = JA | last3 = Hay | first3 = J | last4 = Czechowski | first4 = D | last5 = Taylor | first5 = DJ | year = 2014 | title = Discovery and evolution of bunyavirids in arctic phantom midges and ancient bunyavirid-like sequences in insect genomes | url = | journal = J Virol | volume = 88| issue = 16| pages = 8783–94 | doi = 10.1128/JVI.00531-14 | pmid = 24850747 | pmc = 4136290 }}</ref> and since identified in diverse insects including [[Lepidoptera|moths]], [[Apoidea|wasps and bees]], and other [[Diptera|true flies]].
==Diseases in humans==
Bunyaviruses that cause disease in humans include:{{cn|date=April 2023}}
* [[California encephalitis virus]], [[Jamestown Canyon virus]], [[La Crosse encephalitis virus]], [[
* [[Hantavirus]] reservoir: small mammals or rodents (vector: aerosolized excreta from these mammals;
* [[Crimean–Congo hemorrhagic fever]] reservoir and (vector: ticks
* [[Rift Valley fever]] (reservoir: bats; vector: mosquitoes; amplifying hosts: small
* [[Bwamba Fever]] (reservoir: monkeys; vector: mosquitoes
* [[Severe fever with thrombocytopenia syndrome]] (vector: ticks);
* [[Lassa fever]] and [[Argentine hemorrhagic fever]] (reservoir: rodents; vector: aerosolized excreta from these mammals;
Bunyaviruses have segmented genomes, making them capable of rapid
==Prevention==
Prevention depends on the reservoir, amplifying hosts and how the viruses are transmitted, i.e. the vector, whether ticks or mosquitoes and which animals are involved. Preventive measures include general hygiene, limiting contact with vector saliva, urine, feces, or bedding. There is no licensed vaccine for bunyaviruses. As precautions Cache Valley virus and Hantavirus research are conducted in BSL-2 (or higher), Rift Valley Fever virus research is conducted in BSL-3 (or higher), Congo-Crimean Hemorrhagic Fever virus research is conducted in BSL-4 laboratories.{{cn|date=October 2022}}
==Timeline==
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'''2017:''' Bunyavirales order is created
== References ==
Line 116 ⟶ 108:
* [http://www.expasy.org/viralzone/all_by_species/82.html '''Viralzone''': Bunyaviridae]
* [https://www.ncbi.nlm.nih.gov/ICTVdb/ICTVdB/00.011.htm ICTVdb Index of Viruses—''Bunyaviridae'']
* [http://www.virology.net/Big_Virology/BVRNAbunya.html The Big Picture Book of Viruses: ''Bunyaviridae''] {{Webarchive|url=https://web.archive.org/web/20160511185402/http://www.virology.net/Big_Virology/BVRNAbunya.html |date=2016-05-11 }}
* [https://web.archive.org/web/20151007112957/http://vbrc.org/query.asp?web_taxonomy=Bunyaviridae Bunyaviridae Genomes]
* [https://www.viprbrc.org/brc/home.spg?decorator=vipr# Virus Pathogen Database and Analysis Resource (ViPR): Bunyaviridae]
* {{cite web |title=''Bunyaviridae'' |work=NCBI Taxonomy Browser |url=https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=11571 |id=11571}}
{{Zoonotic viral diseases}}
{{Baltimore_(virus_classification)}}
{{Taxonbar|from=Q29000551}}
{{Authority control}}
[[Category:Bunyavirales| ]]
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