Faba bean necrotic yellows virus
| Faba bean necrotic yellows virus | |
|---|---|
Virus classification 
| |
| (unranked): | Virus |
| Realm: | Monodnaviria |
| Kingdom: | Shotokuvirae |
| Phylum: | Cressdnaviricota |
| Class: | Arfiviricetes |
| Order: | Mulpavirales |
| Family: | Nanoviridae |
| Genus: | Nanovirus |
| Species: | Faba bean necrotic yellows virus
|
Faba bean necrotic yellows virus (FBNYV) is a Nanovirus disease of legumes.[1]
Range
Algeria, Egypt, Eritrea, Ethiopia, Libya, Morocco, Sudan, Tunisia, Azerbaijan, Iran, Iraq, Jordan, Lebanon, Pakistan, Syria, Turkey, Yemen, Spain and Balearic Islands.[1]
Genome
FBNYV is one of the
ssDNA composition. Replication is presumed to occur through the rolling circle replication (RCR) process. Vega-Rocha et al. 2007 disclose the structure of the FBNYV Rep's HUH endonuclease domain.[2]
Virulence factors
FBNYV produces the small protein Clink which binds to
conserved, 98% of successfully infected plants testing positive for Clink DNA. Timchenko conclude it must be favourably selected in some way. They further speculate that in wild Vicia Clink may be required for infection because binding to SKP may be part of FBNYV's process of selective degradation of host proteins, and this may be necessary for infection of these crop wild relatives in a manner not necessary when attacking V. faba.[3]
Vectors
FBNYV is vectored by Aphis fabae.[1]
References
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