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The DNA associated with the genes encoding the α subunit of the second isozyme of anthranilate synthase Rice
The DNA associated with the genes encoding the α subunit of the second isozyme of anthranilate synthase Rice
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机译:与编码邻氨基苯甲酸合酶水稻第二同工酶α亚基的基因相关的DNA
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摘要
This invention provides a DNA sequence capable of encoding an enzyme protein which is the alpha -subunit of the first isozyme of rice anthranilate synthase (ASA); and a DNA capable of encoding an enzyme protein which is the alpha -subunit of the second isozyme of ASA. Transformed plants having a high tryptophan content can be regenerated by culturing the plant cells having introduced therein such a recombinant vector which contains, at a position downstream of a promoter, an inserted DNA fragment carrying the above DNA sequence. This invention also provides a DNA having a promoter activity for the rice ASA gene, which DNA can be used as a promoter for introducing a useful exogenous gene into rice or other plants and expressing the gene therein.
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