Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 321443
Title Activity of wild-type and hybrid Bacillus thuringiensis delta-endotoxins against Agrotis ipsilon
Author(s) Maagd, R.A. de; Weemen-Hendriks, M.; Molthoff, J.W.; Naimov, S.
Source Archives of Microbiology 179 (2003). - ISSN 0302-8933 - p. 363 - 367.
Department(s) PRI Bioscience
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) insecticidal crystal proteins - cry1c domain-iii - spodoptera-exigua - binding - specificity - noctuidae - toxins - lepidoptera - resistance - site
Abstract Twelve Cry1 and two Cry9 ?-endotoxins fromBacillus thuringiensis were tested for their activity against black cutworm (Agrotis ipsilon).A. ipsilon was not susceptible to many toxins, but three toxins had significant activity. Cry9Ca was the most toxic, followed by Cry1Aa and Cry1Fb. Hybrids between these three active proteins were made by in vivo recombination and analyzed for activity againstA. ipsilon. Analysis of hybrids between Cry1Aa and Cry1Fb indicated that domain I of Cry1Aa protein was involved in its higher activity
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