Antisense inhibition of isoamylase alters the structure of amylopectin and the physicochemical properties of starch in rice endosperm.

@article{Fujita2003AntisenseIO,
  title={Antisense inhibition of isoamylase alters the structure of amylopectin and the physicochemical properties of starch in rice endosperm.},
  author={Naoko Fujita and Akiko Kubo and Dong-Soon Suh and Kit-sum Wong and Jay-Lin Jane and Kenjiro Ozawa and F. Takaiwa and Yumiko Inaba and Yasunori Nakamura},
  journal={Plant & cell physiology},
  year={2003},
  volume={44 6},
  pages={607-18}
}
This is the first report on regulation of the isoamylase1 gene to modify the structure of amylopectin and properties of starch by using antisense technology in plants. The reduction of isoamylase1 protein by about 94% in rice endosperm changed amylopectin into a water-insoluble modified amylopectin and a water-soluble polyglucan (WSP). As compared with wild-type amylopectin, the modified amylopectin had more short chains with a degree of polymerization of 5-12, while their molecular sizes were… CONTINUE READING

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