scholarly journals Infectivity and complete nucleotide sequence of the genome of a South African isolate of maize streak virus

1988 ◽  
Vol 16 (1) ◽  
pp. 229-249 ◽  
Author(s):  
Sondra G. Lazarowitz
Keyword(s):  
Nucleotide Sequence ◽  
South African ◽  
Complete Nucleotide Sequence ◽  
Maize Streak Virus ◽  
Streak Virus ◽  
South African Isolate ◽  
African Isolate

Complete nucleotide sequence of a South African isolate of Grapevine fanleaf virus

Virus Genes ◽  
2012 ◽  
Vol 45 (2) ◽  
pp. 406-410 ◽  
Author(s):  
Renate L. Lamprecht ◽  
Hans J. Maree ◽  
Dirk Stephan ◽  
Johan T. Burger
Keyword(s):  
Nucleotide Sequence ◽  
South African ◽  
Complete Nucleotide Sequence ◽  
Grapevine Fanleaf Virus ◽  
South African Isolate ◽  
African Isolate

scholarly journals Complete Nucleotide Sequence of a South African Isolate of Grapevine Fanleaf Virus and Its Associated Satellite RNA

Viruses ◽  
2013 ◽  
Vol 5 (7) ◽  
pp. 1815-1823 ◽  
Author(s):  
Renate Lamprecht ◽  
Monique Spaltman ◽  
Dirk Stephan ◽  
Thierry Wetzel ◽  
Johan Burger
Keyword(s):  
Nucleotide Sequence ◽  
South African ◽  
Complete Nucleotide Sequence ◽  
Satellite Rna ◽  
Grapevine Fanleaf Virus ◽  
South African Isolate ◽  
African Isolate

Resistance of South African maize hybrids to maize streak virus

1991 ◽  
Vol 8 (1) ◽  
pp. 38-42 ◽  
Author(s):  
G. D.J. van Rensburg ◽  
J. H. Giliomee ◽  
K. L. Pringle
Keyword(s):  
South African ◽  
Maize Streak Virus ◽  
Streak Virus ◽  
Maize Hybrids

The complete nucleotide sequence and genome organization of pea streak virus (genus Carlavirus)

2015 ◽  
Vol 160 (10) ◽  
pp. 2651-2654 ◽  
Author(s):  
Li Su ◽  
Zhengnan Li ◽  
Mike Bernardy ◽  
Paul A. Wiersma ◽  
Zhihui Cheng ◽  
...  
Keyword(s):  
Nucleotide Sequence ◽  
Genome Organization ◽  
Complete Nucleotide Sequence ◽  
Streak Virus

scholarly journals First Report of Maize streak virus Field Infection of Sugarcane in South Africa

Plant Disease ◽  
2008 ◽  
Vol 92 (6) ◽  
pp. 982-982 ◽  
Author(s):  
T. van Antwerpen ◽  
S. A. McFarlane ◽  
G. F. Buchanan ◽  
D. N. Shepherd ◽  
D. P. Martin ◽  
...  
Keyword(s):  
South Africa ◽  
South African ◽  
Southern Africa ◽  
Maize Streak Virus ◽  
Streak Virus ◽  
Yield Losses ◽  
The South ◽  
Sugarcane Cultivar ◽  
First Report ◽  
The Impact

Prior to the introduction of highly resistant sugarcane varieties, Sugarcane streak virus (SSV) caused serious sugar yield losses in southern Africa. Recently, sugarcane plants with streak symptoms have been identified across South Africa. Unlike the characteristic fine stippling and streaking of SSV, the symptoms resembled the broader, elongated chlorotic lesions commonly observed in wild grasses infected with the related Maize streak virus (MSV). Importantly, these symptoms have been reported on a newly released South African sugarcane cultivar, N44 (resistant to SSV). Following a first report from southern KwaZulu-Natal, South Africa in February 2006, a survey in May 2007 identified numerous plants with identical symptoms in fields of cvs. N44, N27, and N36 across the entire South African sugarcane-growing region. Between 0.04 and 1.6% of the plants in infected fields had streak symptoms. Wild grass species with similar streaking symptoms were observed adjacent to one of these fields. Potted stalks collected from infected N44 plants germinated in a glasshouse exhibited streak symptoms within 10 days. Virus genomes were isolated and sequenced from a symptomatic N44 and Urochloa plantaginea plants collected from one of the surveyed fields (1). Phylogenetic analysis determined that while viruses from both plants closely resembled the South African maize-adapted MSV strain, MSV-A4 (>98.5% genome-wide sequence identity), they were only very distantly related to SSV (~65% identity; MSV-Sasri_S: EU152254; MSV-Sasri_G: EU152255). To our knowledge, this is the first confirmed report of maize-adapted MSV variants in sugarcane. In the 1980s, “MSV strains” were serologically identified in sugarcane plants exhibiting streak symptoms in Reunion and Mauritius, but these were not genetically characterized (2,3). There have been no subsequent reports on the impact of such MSV infections on sugarcane cultivation on these islands. Also, at least five MSV strains have now been described, only one of which, MSV-A, causes significant disease in maize and it is unknown which strain was responsible for sugarcane diseases on these islands in the 1980s (2,3). MSV-A infections could have serious implications for the South African sugar industry. Besides yield losses in infected plants due to stunting and reduced photosynthesis, the virus could be considerably more difficult to control than it is in maize because sugarcane is vegetatively propagated and individual plants remain within fields for years rather than months. Moreover, there is a large MSV-A reservoir in maize and other grasses everywhere sugarcane is grown in southern Africa. References: (1) B. E. Owor et al. J Virol. Methods 140:100, 2007. (2) M. S. Pinner and P. G. Markham. J. Gen. Virol. 71:1635, 1990. (3) M. S. Pinner et al. Plant Pathol. 37:74, 1998.

scholarly journals Complete Nucleotide Sequence and Full-Length cDNA Clone of S.A.AR86, a South African Alphavirus Related to Sindbis

Virology ◽  
1996 ◽  
Vol 222 (2) ◽  
pp. 464-469 ◽  
Author(s):  
Dennis A. Simpson ◽  
Nancy L. Davis ◽  
Seh-Ching Lin ◽  
Darcy Russell ◽  
Robert E. Johnston
Keyword(s):  
Nucleotide Sequence ◽  
South African ◽  
Cdna Clone ◽  
Complete Nucleotide Sequence ◽  
Full Length ◽  
Full Length Cdna

South African isolate of Cryptophlebia leucotreta granulovirus

2003 ◽  
Vol 83 (3) ◽  
pp. 249-252 ◽  
Author(s):  
Shalene Singh ◽  
Sean Moore ◽  
Belinda Spillings ◽  
Don Hendry
Keyword(s):  
South African ◽  
South African Isolate ◽  
African Isolate ◽  
Cryptophlebia Leucotreta
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