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  Genus: Erbovirus

Species: Equine rhinitis B virus (proposed new species name "Erbovirus A")

Serotype: Equine rhinitis B virus 1 (ERBV-1)
   (formerly equine rhinovirus 2)
 
5' UTR L VP4 VP2 VP3 VP1 2A 2B 2C 3A 3B 3C 3D 3' UTR
Serotype: Equine rhinitis B virus 2 (ERBV-2)
   (formerly equine rhinovirus 3)
 
5' UTR L VP4 VP2 VP3 VP1 2A 2B 2C 3A 3B 3C 3D 3' UTR
Serotype: Equine rhinitis B virus 3 (ERBV-3)
   (formerly acid-stable equine picornavirus)
 
5' UTR L VP4 VP2 VP3 VP1 2A 2B 2C 3A 3B 3C 3D 3' UTR
     

 (White areas indicate genes which haven't yet been sequenced completely; grey areas are where only partial sequences exist)

Virus Strain Region Length Accession No. Reference Comments

Equine rhinitis B virus 1 (ERBV-1)

ERBV-1 P1436/71 (Switzerland, 1971)

CG*

8828

X96871 Wutz et al., 1996 *5' end of the genome missing
ERBV-1

293/74 (Switzerland, 1974)

P1 2640 AY606988 Black et al., 2005
3D(p) 555 AY606999 Black et al., unpublished  
ERBV-1

263/75 (Switzerland, 1975)

P1 2643 AY606990 Black et al., 2005  
3D(p) 555 AY607000 Black et al., unpublished  
ERBV-1

271/75 (Switzerland, 1975)

P1 2640 AY606991 Black et al., 2005  
ERBV-1

57-14/89 (USA, 1989)

P1 2640 AY606994 Black et al., 2005  
3D(p) 555 AY607001 Black et al., unpublished  
ERBV-1

KP/92 (New York/USA, 1992)

P1 2640 AY606993 Black et al., 2005  
ERBV-1 RS/150-13/2007 (Italy) VP1(p) 223 EU246848 Mori et al., 2009  
ERBV-1 2225AL (Australia, 2003) P1 2640 GU799327 Horsington et al., 2011  
ERBV-1 271AL (Switzerland, 1975) P1 2640 GU799329 Horsington et al., 2011  
ERBV-1 379AL (Switzerland, 1975) P1 2640 GU799331 Horsington et al., 2011  
ERBV-1 9051-7/89 (Kentucky, 1989) 3D(p) 555 AY607002 Black et al., unpublished  

Equine rhinitis B virus 2 (ERBV-2)

ERBV-2 P313/75 (Switzerland, 1975)

CG*

8821

AF361253 Huang et al., 2001 *5' end of the genome missing
ERBV-2  1576/99 (Flemington, Australia, 1999)

P1

2625

AY606998 Black et al., 2005  
3Dpol(p) 555 AY607005 Black et al., unpublished  

Equine rhinitis B virus 3 (ERBV-3)#

ERBV-3 4442/75 (UK, 1975) P1 2637 DQ108383 Black and Studdert, 2006  
3D(p)+3'UTR 544 to be submitted N.J. Knowles (2005)  
ERBV-3 R4/75 (UK, 1975) P1 2640 DQ108384 Black and Studdert, 2006  
ERBV-3 2484c/75 (UK, 1975) P1 2640 DQ108385 Black and Studdert, 2006  
3D(p)+3'UTR 544 to be submitted N.J. Knowles (2005)  
ERBV-3

322/74 (Switzerland, 1974)

VP3(p)+VP1 1264 AY606989 Black et al., 2005  
ERBV-3

379/75 (Switzerland, 1975)

P1 2598 AY606992 Black et al., 2005  
ERBV-3

58-13/89 (USA, 1989)

VP3(p)+VP1 1257 AY606995 Black et al., 2005  
ERBV-3

83-11/89 (USA, 1989)

P1 2637 AY606996 Black et al., 2005  
ERBV-3

9051-7/89 (USA, 1989)

P1 2640 AY606997 Black et al., 2005  
ERBV-3 2225AS (Australia, 2003) P1 2637 GU799328 Horsington et al., 2011  
ERBV-3 271AS (Switzerland, 1975) P1 2637 GU799330 Horsington et al., 2011  

Equine rhinitis B virus ? (ERBV-?)**

ERBV-? 1506/99 (Flemington, Australia, 1999) 3D(p) 484 AY607003 Black et al., unpublished  
ERBV-? 1525/99 (Flemington, Australia, 1999) 3D(p) 421 AY607004 Black et al., unpublished  
ERBV-? 1605/99 (Flemington, Australia, 1999) 3D(p) 318 AY607006 Black et al., unpublished  
ERBV-? 1630/00 (Flemington, Australia, 2000) 3D(p) 555 AY607007 Black et al., unpublished  
ERBV-? 1654/00 (Flemington, Australia, 2000) 3D(p) 555 AY607008 Black et al., unpublished  
* CG = complete genome; (p) = partial gene sequence.
#,  lineage distinct from ERBV-1 and ERBV-2 (all isolates are acid-stable), but at least some isolates cross-react with ERBV-1.
**, only capsid sequences are serotype-specific.

References

Black, W.D. and Studdert M.J. (2006). Formerly unclassified, acid-stable equine picornaviruses are a third equine rhinitis B virus serotype in the genus Erbovirus. J. Gen. Virol. 87: 3023-3027.

Black, W.D., Hartley, C.A., Ficorilli, N.P. and Studdert, M.J. (2005). Sequence variation divides Equine rhinitis B virus into three distinct phylogenetic groups that correlate with serotype and acid stability.  J. Gen. Virol. 86: 2323-2332.

Black, W.D., Hartley, C.A., Ficorilli, N.P., Dynon, K., McCollum, W.H., Timoney, P.J., Weiss, M., Holmes, D. and Studdert, M.J. (a). Development of a fully nested RT-PCR for the detection of equine rhinitis B virus in equine nasopharyngeal swab samples. Unpublished.

Huang, J.-A., Ficorilli, N., Hartley, C.A., Wilcox, R.S., Weiss, M. and Studdert, M.J. (2001). Equine rhinitis B virus: a new serotype. J. gen. Virol. 82: 2641-2645.

Knowles, N.J. (2005). A pan-picornavirus RT-PCR: identification of novel picornavirus species. EUROPIC 2005: XIIIth Meeting of the European Study Group on the Molecular Biology of Picornaviruses, Lunteren, The Netherlands, 23-29th May 2005. Abstract A06.

Mori, A., De Benedictis, P., Marciano, S., Zecchin, B., Zuin, A., Zecchin, B., Capua, I. and Cattoli, G. (2009). Development of a real-time duplex TaqMan-PCR for the detection of equine rhinitis A and B viruses in clinical specimens. J. Virol. Methods 155: 175-181.

Wutz, G., Auer, H., Nowotny, N., Grosse, B., Skern, T., Kuechler, E. (1996). Equine rhinovirus serotypes 1 and 2: relationship to each other and to aphthoviruses and cardioviruses. J. gen. Virol. 77: 1719-1730.

 

 

 

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