Abstract:
:Infection of soybean by the plant cytorhabdovirus soybean blotchy mosaic virus (SbBMV) results in significant yield losses in the temperate, lower-lying soybean production regions of South Africa. A 277 bp portion of the RNA-dependent RNA polymerase gene of 66 SbBMV isolates from different: hosts, geographical locations in South Africa, and times of collection (spanning 16 years) were amplified by RT-PCR and sequenced to investigate the genetic diversity of isolates. Phylogenetic reconstruction revealed three main lineages, designated Groups A, B and C, with isolates grouping primarily according to geographic origin. Pairwise nucleotide identities ranged between 85.7% and 100% among all isolates, with isolates in Group A exhibiting the highest degree of sequence identity, and isolates of Groups A and B being more closely related to each other than to those in Group C. This is the first study investigating the genetic diversity of SbBMV.
journal_name
Arch Viroljournal_title
Archives of virologyauthors
Strydom E,Pietersen Gdoi
10.1007/s00705-018-3722-0subject
Has Abstractpub_date
2018-05-01 00:00:00pages
1299-1305issue
5eissn
0304-8608issn
1432-8798pii
10.1007/s00705-018-3722-0journal_volume
163pub_type
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