The Use of Transgenic Plants in Insect Control

Pinto, Laura Massochin Nunes; Ziegler, Denize Righetto; Fiúza, Lidia Mariana

doi:10.1007/978-81-322-1877-7_18

Cited by 2 publications

(2 citation statements)

References 58 publications

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“…(). Cry1Aa and Cry1Ca toxins expressed in GM‐plants showed synergism against H. virescens , Diatraea saccharalis (Fabricius), and Spodoptera frugiperda (JE Smith) (Pinto et al., ). The toxins of B. thuringiensis also showed toxicity against Aedes aegypti (L.) (Crickmore et al., ) and B. t. israelensis to Chironomus tepperi Skuse (Hughes et al., ).…”

Section: Discussionmentioning

confidence: 99%

“…Synergistic effects of Cry1Aa and Cry1Ac proteins against Lymantria dispar (L.) were observed by Lee et al (1996), and an additive effect between Xentari and Dipel formulations to Heliothis virescens (Fabricius) was observed by Ameen et al (1998). Cry1Aa and Cry1Ca toxins expressed in GM-plants showed synergism against H. virescens, Diatraea saccharalis (Fabricius), and Spodoptera frugiperda (JE Smith) (Pinto et al, 2014). The toxins of B. thuringiensis also showed toxicity against Aedes aegypti (L.) (Crickmore et al, 1995) and B. t. israelensis to Chironomus tepperi Skuse (Hughes et al, 2005).…”

Section: Discussionmentioning

confidence: 99%

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Insecticidal potential of Bacillus thuringiensis for the biological control of neotropical brown stink bug

Schünemann

Roggia

Muraro

et al. 2018

Entomologia Exp Applicata

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Euschistus heros (Hemiptera: Pentatomidae) is considered a major insect pest in soybean production in Brazil. The indiscriminate application of pesticides to fields leads to reduction in biodiversity, selection of resistant populations, emergence of new pest outbreaks, and damage to non‐target organisms. The objective of this research was to evaluate the effects of exposure to Cry proteins present in new isolates of Bacillus thuringiensis Berliner, commercial formulations, and Bt soybean on E. heros development. The feeding preference of E. heros for Bt‐ vs. non‐Bt soybean was also evaluated. All treatments caused significant mortality to E. heros except the Bt soybean. Tests with combinations of isolated Bt‐toxins indicated that combinations had greater efficacy than other treatments (>98% mortality). The results demonstrate that E. heros is susceptible to B. thuringiensis toxins, which may contribute to the management of this insect in soybean agro‐ecosystems.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Insecticidal potential of Bacillus thuringiensis for the biological control of neotropical brown stink bug

Schünemann

Roggia

Muraro

et al. 2018

Entomologia Exp Applicata

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A 90-day subchronic feeding study of genetically modified rice expressing Cry1Ab protein in Sprague–Dawley rats

Song

Zou

et al. 2014

Transgenic Res

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Bacillus thuringiensis (Bt) transgenic rice line (mfb-MH86) expressing a synthetic cry1Ab gene can be protected against feeding damage from Lepidopteran insects, including Sesamia inferens, Chilo suppressalis, Tryporyza incertulas and Cnaphalocrocis medinalis. Rice flour from mfb-MH86 and its near-isogenic control MH86 was separately formulated into rodent diets at concentrations of 17.5, 35 and 70 % (w/w) for a 90-day feeding test with rats, and all of the diets were nutritionally balanced. In this study, the responses of rats fed diets containing mfb-MH86 were compared to those of rats fed flour from MH86. Overall health, body weight and food consumption were comparable between groups fed diets containing mfb-MH86 and MH86. Blood samples were collected prior to sacrifice and a few significant differences (p \ 0.05) were observed in haematological and biochemical parameters between rats fed genetically modified (GM) and non-GM diets. However, the values of these parameters were within the normal ranges of values for rats of this age and sex, thus not considered treatment related. In addition, upon sacrifice a large number of organs were weighed, macroscopic and histopathological examinations were performed with only minor changes to report. In conclusion, these results demonstrated that no toxic effect was observed in the conditions of the experiment, based on the different parameters assessed. GM rice mfb-MH86 is as safe and nutritious as non-GM rice.

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The Use of Transgenic Plants in Insect Control

Cited by 2 publications

References 58 publications

Insecticidal potential of Bacillus thuringiensis for the biological control of neotropical brown stink bug

Insecticidal potential of Bacillus thuringiensis for the biological control of neotropical brown stink bug

A 90-day subchronic feeding study of genetically modified rice expressing Cry1Ab protein in Sprague–Dawley rats

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