Selective gene expression in plants
Patent 5110732 Issued on May 5, 1992. Estimated Expiration Date: 
May 5, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 5, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.InventorsApplicationNo. 323525 filed on 03/14/1989US Classes:800/287, The polynucleotide contains a tissue, organ, or cell specific promoter435/317.1, MISCELLANEOUS (E.G., SUBCELLULAR PARTS OF MICRO-ORGANISMS, ETC.)435/320.1, VECTOR, PER SE (E.G., PLASMID, HYBRID PLASMID, COSMID, VIRAL VECTOR, BACTERIOPHAGE VECTOR, ETC.) BACTERIOPHAGE VECTOR, ETC.)435/414, Tobacco cell or cell line, per se435/419, Plant cell or cell line, per se, contains exogenous or foreign nucleic acid536/23.6, Encodes a plant polypeptide536/24.1, Non-coding sequences which control transcription or translation processes (e.g., promoters, operators, enhancers, ribosome binding sites, etc.)800/298, Higher plant, seedling, plant seed, or plant part (i.e., angiosperms or gymnosperms)800/317.3TobaccoExaminersPrimary: Weimar, Elizabeth C.Assistant: Rhodes, P. Attorney, Agent or FirmInternational ClassesC21N 015/79C07H 015/12 A01H 005/00 AbstractFragments of the 35S promoter of cauliflower mosaic virus are disclosed which exhibit selective expression of chimeric plant genes in plant tissue. Promoter fragment A exhibits selective expression in root tissue and the radical of the seed. Promoter fragment B exhibits constitutive expression in plant tissue other than root tissue.Other References
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