Mycoplasma hyorhinis

Short description: Species of bacterium

Mycoplasma hyorhinis

Scientific classification
Domain:  | Bacteria
Phylum:  | Mycoplasmatota
Class:  | Mollicutes
Order:  | Mycoplasmatales
Family:  | Mycoplasmataceae
Genus:  | Mycoplasma
Species:  |

M. hyorhinis

Binomial name
Mycoplasma hyorhinis

Switzer 1955 (Approved Lists 1980)

Mycoplasma hyorhinis is a species of bacteria in the Mycoplasmataceae family. It is often found as a commensal in the respiratory tract of pigs, and rarely in the skin of humans. M. hyorhinis is thought to facilitate and exacerbate the development of diseases such as porcine enzootic pneumonia and porcine reproductive and respiratory syndrome (PRRS). Rarely, it may cause mycoplasma arthritis, mycoplasmal polyserositis or mycoplasma septicaemia in piglets without the involvement of other bacteria. This presents as polyarthritis or polyserositis.

M. hyorhinis can prevent cell death caused by nicotinamide phosphoribosyltransferase inhibitors.[1]

## Contents

* 1 Clinical signs and diagnosis
* 2 Human pathogenicity
* 3 Treatment
* 4 See also
* 5 References
* 6 External links

## Clinical signs and diagnosis

A variety of clinical signs are seen in piglets less than 10-weeks old.

Lameness, polyserositis and joint swelling are the most common symptoms. A foul-smelling discharge from the ears can occur secondary to otitis. Less specific signs include poor coat quality, pyrexia, cardiovascular, gastrointestinal, neurological and respiratory signs.

Bacterial culture, immunofluorescent antibody testing (IFAT), complement fixation test and haemagglutination can all be used to confirm the diagnosis.

## Human pathogenicity

There is some evidence implicating M. hyorhinis in the pathogenesis of scleroderma, a chronic systemic disease of humans. One study isolated the bacteria from scleroderma patients.[2] Another study found that injecting M. hyorhinis into mice induces a scleroderma-like autoimmune disease.[3] However, more research is needed to confirm or refute the link between M. hyorhinis and scleroderma.

## Treatment

Antibiotics are the treatment of choice.

## See also

* Mycoplasma

## References

1. ↑ "Bacteria Boost Mammalian Host NAD Metabolism by Engaging the Deamidated Biosynthesis Pathway". Cell Metabolism 31 (3): 564–5791. 2020. doi:10.1016/j.cmet.2020.02.001. PMID 32130883.
2. ↑ "New Strains of Mycoplasma Hyorhinis as Causative Agents for Autoimmune Disease". https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2003077870.
3. ↑ Gavanescu, I; Pihan, G; Halilovic, E; Szomolanyi-Tsuda, E; Welsh, RM; Doxsey, S (2004). "Mycoplasma infection induces a scleroderma-like centrosome autoantibody response in mice". Clin Exp Immunol 137 (2): 288–97. doi:10.1111/j.1365-2249.2004.02535.x. PMID 15270845.

* "Mycoplasma hyorhinis". Wikivet. http://en.wikivet.net/Mycoplasma_hyorhinis. Retrieved 13 September 2011.

## External links

* Type strain of Mycoplasma hyorhinis at BacDive \- the Bacterial Diversity Metadatabase

* v
* t
* e

Prokaryotes: Bacteria classification (phyla and orders)

Domain
Archaea
Bacteria
Eukaryota
(Supergroup
Plant
Hacrobia
Heterokont
Alveolata
Rhizaria
Excavata
Amoebozoa
Opisthokonta

Animal
Fungi)

G-/
OM|

| Terra-/
Glidobacteria
(BV1)|

| Eobacteria|

* Deinococcus–Thermus
* Deinococcales
* Thermales
* Chloroflexi
* Anaerolineales
* Caldilineales
* Chloroflexales
* Herpetosiphonales
* Dehalococcoidales
* Ktedonobacterales
* Thermogemmatisporales
* Thermomicrobiales
* Sphaerobacterales

|

other glidobacteria|

* Thermodesulfobacteria
* thermophiles
* Aquificae
* Thermotogae
* Cyanobacteria

Proteobacteria
(BV2)|

| Alpha|

* Caulobacterales
* Kiloniellales
* Kordiimonadales
* Magnetococcales
* Parvularculales
* Rhizobiales
* Rhodobacterales
* Rhodospirillales
* Rickettsiales
* Sneathiellales
* Sphingomonadales

|

Beta|

* Burkholderiales
* Hydrogenophilales
* Methylophilales
* Neisseriales
* Nitrosomonadales
* Procabacteriales
* Rhodocyclales

Gamma|

* Acidithiobacillales
* Aeromonadales
* Alteromonadales
* Cardiobacteriales
* Chromatiales
* Enterobacterales
* Legionellales
* Methylococcales
* Oceanospirillales
* Orbales
* Pasteurellales
* Pseudomonadales
* Salinisphaerales
* Thiotrichales
* Vibrionales
* Xanthomonadales

Delta|

* Bdellovibrionales
* Desulfarculales
* Desulfobacterales
* Desulfovibrionales
* Desulfurellales
* Desulfuromonadales
* Myxococcales
* Syntrophobacterales
* Syntrophorhabdales

Epsilon|

* Campylobacterales
* Nautiliales

Zeta|

* Mariprofundales

BV4|

| Spirochaetes|

* Spirochaetes

|

Sphingobacteria
(FCB group)|

* Fibrobacteres
* Chlorobi
* Chlorobiales
* Ignavibacteriales
* Bacteroidetes
* Bacteroidales
* Cytophagales
* Flavobacteriales
* Sphingobacteriales

Planctobacteria/
(PVC group)|

* Chlamydiae
* Lentisphaerae
* Lentisphaerales
* Oligosphaerales
* Victivallales
* Planctomycetes
* Phycisphaerales
* Planctomycetales
* Verrucomicrobia
* Puniceicoccales
* Opitutales
* Chthoniobacterales
* Verrucomicrobiales
* "Poribacteria"

Other GN|

* Acidobacteria
* Acidobacteriales
* Acanthopleuribacterales
* Holophagales
* Solibacterales
* Armatimonadetes
* Armatimonadales
* Chthonomonadales
* Fimbriimonadales
* Caldiserica
* Chrysiogenetes
* Deferribacteres
* Dictyoglomi
* Elusimicrobia
* Fusobacteria
* Gemmatimonadetes
* Nitrospirae
* Synergistetes

G+/
no OM|

| Firmicutes
(BV3)|

| Bacilli|

* Bacillales
* Lactobacillales
* Aphragmobacteria
* Erysipelotrichia
* Erysipelotrichiales
* Mollicutes
* Mycoplasmatales
* Entomoplasmatales
* Anaeroplasmatales
* Acholeplasmatales
* Haloplasmatales

|

Clostridia|

* Clostridiales
* Halanaerobiales
* Thermoanaerobacteriales
* Natranaerobiales
* Negativicutes
* Selenomonadales

Thermolithobacteria|

* Thermolithobacterales

Actinobacteria
(BV5)|

| Actinobacteria|

* Actinomycetales
* Bifidobacteriales

|

Acidimicrobiia|

* Acidimicrobiales

Coriobacteriia|

* Coriobacteriales

Nitriliruptoria|

* Euzebyales
* Nitriliruptorales

Rubrobacteria|

* Gaiellales
* Rubrobacterales
* Thermoleophilales
* Solirubrobacterales

Incertae
sedis|

* †Archaeosphaeroides
* †Eobacterium
* †Leptotrichites

Source: Bergey's Manual (2001–2012). Alternative views: Wikispecies.

Wikidata ☰ Q3869017 entry

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