Inhibition of Chilo partellus (Lepidoptera: Pyralidae) gut proteases with Ipomoea batatas inhibitors | Zendy

Balaji Panchal | Zendy; Manvendra S. Kachole | Zendy

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Inhibition of Chilo partellus (Lepidoptera: Pyralidae) gut proteases with Ipomoea batatas inhibitors

Author(s) -

Balaji Panchal,

Manvendra S. Kachole

Publication year - 2016

Publication title -

journal of crop protection

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.183

H-Index - 4

eISSN - 2251-905X

pISSN - 2251-9041

DOI - 10.18869/modares.jcp.5.3.461

Subject(s) - chilo , ipomoea , pyralidae , biology , lepidoptera genitalia , protease , proteases , sorghum , helicoverpa zea , chitosanase , botany , agronomy , biochemistry , noctuidae , enzyme

Chilo partellus is a devastating sorghum and maize pest that exists worldwide. C. partellus gut proteases (CPGPs) were isolated, purified and characterized. We analyzed potential trypsin and chymotrypsin inhibitors (TIs) from tuber plants to identify the protease inhibitors (PIs) of CPGPs. PIs from Ipomoea batatas completely inhibited protease activity and growth and led to reduced C. partellus insect larvae weights. One PI was purified from I. batatas tubers and identified as a potent antagonist of CPGPs. In conclusion, we identified Ipomoea batatas inhibitors with significant potential applications in developing resistant transgenic sorghum and maize crops.

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