PNRSVPrunus Necrotic Ringspot Virus
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In the analyses, the complete sequences of the coat (CP) and movement (MP) proteins of PNRSV isolates from rose and some Prunus hosts characterized in Brazil or elsewhere, besides CP and MP sequences of PNRSV type group isolates (PV32, PV96 and PE5) and ApMV as outgroup species available in the GenBank were included.
The alignment between the CP nucleotide sequence of PNRSV, Rose-Br isolate, and seven sequences of rose isolates of PNRSV from India, Poland and China available in GenBank showed high identity ranging from 97.
Thus it is worth mentioning the closest clustering of PNRSV isolate from roses as demonstrated in figure 1A.
SALA-REJCZAK & PADUCH-CICHAL (2013) have studied the nucleotide sequences of PNRSV CP in eleven Polish isolates, from different Prunus and Rosa species and four isolates from Australia, Hungary and Italy.
It showed that, depending on peach tree age, the incidence of PNRSV ranged from about 11 to 49 percent.