Cited by 722Insect Resistance and GeneticsGenetically Modified Organisms ResearchInsect-Plant Interactions and Control

Transgenic crops expressing Bacillus thuringiensis toxins and biological control

Romeis, Jörg, Meissle, Michael, Bigler, Franz·2006·Nature Biotechnology

Abstract

The area devoted to growing transgenic plants expressing insecticidal Cry proteins derived from Bacillus thuringiensis (Bt) is increasing worldwide. A major concern with the adoption of Bt crops is their potential impact on nontarget organisms including biological control organisms. Regulatory frameworks should advocate a step-wise (tiered) approach to assess possible nontarget effects of Bt crops. Laboratory and glasshouse studies have revealed effects on natural enemies only when Bt-susceptible, sublethally damaged herbivores were used as prey or host, with no indication of direct toxic effects. Field studies have confirmed that the abundance and activity of parasitoids and predators are similar in Bt and non-Bt crops. In contrast, applications of conventional insecticides have usually resulted in negative impacts on biological control organisms. Because Bt-transgenic varieties can lead to substantial reductions in insecticide use in some crops, they can contribute to integrated pest management systems with a strong biological control component.

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Crossref · 10.1038/nbt1180

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Authors
Romeis, J., Meissle, M., & Bigler, F.
Affiliations
Agroscope (CH)
Corresponding author
Romeis, Jörg
Venue
Nature Biotechnology
Published
2006-01-01
Volume
24
Issue
1
Pages
63-71
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2043034823
Cited by
719
References
123
Citations by year
2026: 13 · 2025: 14 · 2024: 12 · 2023: 16 · 2022: 30 · 2021: 21 · 2020: 31 · 2019: 21 · 2018: 27 · 2017: 21 · 2016: 38 · 2015: 36 · 2014: 48 · 2013: 40 · 2012: 48
FWCI
5.02
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Insect Resistance and Genetics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetically Modified Organisms Research
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect-Plant Interactions and Control
Keywords
genetically modified crops, Bacillus thuringiensis, Cry proteins, insecticidal proteins, biological control, non-target effects, parasitoids, predators, natural enemies, insecticide reduction, integrated pest management, regulatory evaluation
MeSH terms
Bacillus thuringiensis, Bacterial Proteins, Consumer Product Safety, Insecticide Resistance, Pest Control, Biological, Risk Factors, Risk Assessment, Plants, Genetically Modified

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