Heterologous expression of corn cystatin in soybean and effect on growth of the stink bug
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Updated: May 17, 2026

Soybean Hairy Root Transformation for the Analysis of Gene Function
Published on: May 5, 2023
Masao Ishimoto1, Masaharu Kuroda, Koh-Ichi Yoza
1National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8602, Japan. ishimoto@affrc.go.jp
Abstract:
The bean bug (Riptortus clavatus) is a serious insect pest of soybean. Corn (maize) cystatin strongly inhibited the activity of its digestive cysteine proteinase. Heterologous expression of corn cystatin in soybean seeds inhibited the insect's proteases, but not its growth.
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