ホソヘリカメムシの成長に及ぼすイネ種子糊粉層Trypsin Inhibitorの影響

概要

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Rice aleurone trypsin inhibitor (RATI) is a proteinaceous substance that inhibits the activity of trypsin (EC 3.4.21.4). In rice seed, the inhibitor was localized in the aleurone and the embryo. When fed to larvae of the bean bug, Riptortus clavatus Thunbeg, endosperm and husked rice, respectively, the former larvae growth was stopped until second stage, the later larvae until fourth stage. Secondly, all of two groups were fed 5 to 20% RATI diets, respectively ; endosperm groups added RATI were stopped until second stage, expect that at the 5% RATI group the 9% of larvae grew into third stage. All husked rice groups added RARI were stopped until fourth stage, but that survival ratio decreased about 15% than only husked rice diet groups. Furthermore, at the fourth group larvae were added RATI, which was small body and was red of bodies color (not become black) than only husked rice diet group. These results suggested that RATI suppressed the growth of insect's larvae.
同志社女子大学の論文
2002-02-20