PROTEIN PRODUCTION METHOD USING TRANSFORMED PLANT CELLS
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United States of America Patent
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Issued Date -
Oct 23, 2014
app pub date -
Aug 29, 2012
filing date -
Sep 2, 2011
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Abandoned
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Abstract
An object of this invention is to produce a protein by efficiently culturing plant cells while escaping mRNA translational repression in cultured plant cells under stress caused by lack of conditions essentially required for the growth (e.g., nutrient-starvation stress and hypoxic stress). This invention provides a method for escaping translational repression of a protein encoded by mRNA, the repression being induced by stress due to absence of conditions required for the growth, the method comprising the step of culturing a plant cell transformed with a recombinant DNA molecule encoding mRNA containing 5′ UTR defined in (a) or (b) below, the culturing being carried out under stress due to absence of conditions required for the growth: (a) 5′ UTR having a base sequence of SEQ ID NO: 1, 2, 3, 4, 5, or 6; or (b) 5′ UTR having the base sequence of the 5′ UTR of (a) in which one or more bases are replaced, deleted, or added, and which escapes translational repression induced by stress due to absence of conditions required for the growth.
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