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Article
Characterization and occurrence of squash chlorotic leaf spot virus, a tentative new torradovirus infecting cucurbits in Sudan
During a survey conducted in Sudan in 2012, a virus with spherical particles was isolated from a squash plant showing chlorotic leaf spots. The virus was transmitted mechanically and by two whitefly species, b...
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Article
Recombinants of cucumber mosaic virus (CMV): determinants of host range and symptomatology
I17F and R are subgroup I and II cucumber mosaic virus (CMV) strains, respectively. Whereas I17F induces severe symptoms on all hosts so far tested, R induces generally mild symptoms, except on Nicotiana glutinos...
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Article
In situ detection of expression of thegus reporter gene in transgenic plants: ten years of blue genes
Among the methods now available to localize the sites of gene expression in plant materials, reporter genes based on thegus (uidA) gene ofEscherichia coli, which encodes a β-glucuronidase (E.C. 3.2.1.31; GUS), ha...
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Article
Long-term acid-induced wall extension in an in-vitro system
When frozen-thawed Avena sativa L. coleoptile and Cucumis sativa L. hypocotyl sections, under tension, are acid-treated, they undergo rapid elongation (acid-extension). The acid-extension response consists of two...