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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Golemboski, D. B. Lomonossoff, G. P. Zaitlin, M. |
| Description | Author Affiliation: Golemboski DB ( Department of Plant Pathology, Cornell University, Ithaca, NY 14853.); |
| Abstract | Nicotiana tabacum cv. Xanthi nn plants were transformed with nucleotides 3472-4916 of tobacco mosaic virus (TMV) strain U1. This sequence contains all but the three 3 terminal nucleotides of the TMV 54-kDa gene, which encodes a putative component of the replicase complex. These plants were resistant to infection when challenged with either TMV U1 virions or TMV U1 RNA at concentrations of up to 500 micrograms/ml or 300 micrograms/ml, respectively, the highest concentrations tested. Resistance was also exhibited when plants were inoculated at 100 micrograms/ml with the closely related TMV mutant YSI/1 but was not shown in plants challenged at the same concentrations with the more distantly related TMV strains U2 or L or cucumber mosaic virus. Although the copy number of the 54-kDa gene sequence varied in individual transformants from 1 to approximately 5, the level of resistance in plants was not dependent on the number of copies of the 54-kDa gene sequence integrated. The transformed plants accumulated a 54-kDa gene sequence-specific RNA transcript of the expected size, but no protein product was detected. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 16 |
| Volume Number | 87 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1990-09-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Genes, Viral Plants, Toxic Tobacco Mosaic Virus Genetics Tobacco Cloning, Molecular DNA, Viral Immunity, Innate Molecular Sequence Data Plasmids RNA, Viral Isolation & Purification Restriction Mapping Microbiology Pathogenicity Transformation, Genetic Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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