Abstract：
:An atypical mild isolate HV5 of Grapevine fanleaf virus (GFLV) was found in a South Moravian viticulture region in Czech Republic. Partial sequence of its RNA2 was determined and compared with available sequences of typical GFLV isolates. Two genomic regions, namely a 814 nt-long one spanning the movement protein (MP) gene and a 5'-part of the coat protein (CP) gene. and a 1426 nt-long one covering a part of the CP gene and the adjacent 3'-non-coding region (3'-NCR) were analyzed. Although no HV5-specific molecular features could be found in the two regions, marked differences were observed in the 3'-NCR. There was a 54 nt-long portion in which the sequence identity of some compared isolates was only 54.7%. Moreover, an unique one-nucleotide deletion occurred in the HV5 3'-NCR. These changes were also reflected in the predicted RNA secondary structure of this region. Particular biological behavior of GFLV HV5 isolate, namely a symptomless infection, could be related to the observed molecular differences.
journal_name
Acta Viroljournal_title
Acta virologicaauthors
Komínek P,Bryxiová M,Glasa Msubject
Has Abstractpub_date
2006-01-01 00:00:00pages
201-5issue
3eissn
0001-723Xissn
1336-2305journal_volume
50pub_type
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