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Literature DB >> 17923672

Toxins in transgenic crop byproducts may affect headwater stream ecosystems.

E J Rosi-Marshall¹, J L Tank, T V Royer, M R Whiles, M Evans-White, C Chambers, N A Griffiths, J Pokelsek, M L Stephen.

Abstract

Corn (Zea mays L.) that has been genetically engineered to produce the Cry1Ab protein (Bt corn) is resistant to lepidopteran pests. Bt corn is widely planted in the midwestern United States, often adjacent to headwater streams. We show that corn byproducts, such as pollen and detritus, enter headwater streams and are subject to storage, consumption, and transport to downstream water bodies. Laboratory feeding trials showed that consumption of Bt corn byproducts reduced growth and increased mortality of nontarget stream insects. Stream insects are important prey for aquatic and riparian predators, and widespread planting of Bt crops has unexpected ecosystem-scale consequences.

Entities: Chemical Species

Mesh：

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Year: 2007 PMID： 17923672 PMCID： PMC2042185 DOI： 10.1073/pnas.0707177104

Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205

9 in total

1. Transgenic pollen harms monarch larvae.

Authors: J E Losey; L S Rayor; M E Carter
Journal: Nature Date: 1999-05-20 Impact factor: 49.962

2. Macroinvertebrate communities in agriculturally impacted southern Illinois streams: patterns with riparian vegetation, water quality, and in-stream habitat quality.

Authors: Mandy L Stone; Matt R Whiles; Jeremy A Webber; Karl W J Williard; John D Reeve
Journal: J Environ Qual Date: 2005-04-20 Impact factor: 2.751

3. Bt corn has a higher lignin content than non-Bt corn.

Authors: D Saxena; G Stotzky
Journal: Am J Bot Date: 2001-09 Impact factor: 3.844

4. Assessing the impact of Cry1Ab-expressing corn pollen on monarch butterfly larvae in field studies.

Authors: D E Stanley-Horn; G P Dively; R L Hellmich; H R Mattila; M K Sears; R Rose; L C Jesse; J E Losey; J J Obrycki; L Lewis
Journal: Proc Natl Acad Sci U S A Date: 2001-09-14 Impact factor: 11.205

5. Impact of Bt corn pollen on monarch butterfly populations: a risk assessment.

Authors: M K Sears; R L Hellmich; D E Stanley-Horn; K S Oberhauser; J M Pleasants; H R Mattila; B D Siegfried; G P Dively
Journal: Proc Natl Acad Sci U S A Date: 2001-09-14 Impact factor: 11.205

6. Corn pollen deposition on milkweeds in and near cornfields.

Authors: J M Pleasants; R L Hellmich; G P Dively; M K Sears; D E Stanley-Horn; H R Mattila; J E Foster; P Clark; G D Jones
Journal: Proc Natl Acad Sci U S A Date: 2001-09-14 Impact factor: 11.205

7. Temporal and spatial overlap between monarch larvae and corn pollen.

Authors: K S Oberhauser; M D Prysby; H R Mattila; D E Stanley-Horn; M K Sears; G Dively; E Olson; J M Pleasants; W K Lam; R L Hellmich
Journal: Proc Natl Acad Sci U S A Date: 2001-09-14 Impact factor: 11.205

Review 8. Effects of plants genetically modified for insect resistance on nontarget organisms.

Authors: Maureen O'Callaghan; Travis R Glare; Elisabeth P J Burgess; Louise A Malone
Journal: Annu Rev Entomol Date: 2005 Impact factor: 19.686

9. Occurrence and persistence of Bacillus thuringiensis (Bt) and transgenic Bt corn cry1Ab gene from an aquatic environment.

Authors: M Douville; F Gagné; C Blaise; C André
Journal: Ecotoxicol Environ Saf Date: 2006-02-24 Impact factor: 6.291

9 in total

32 in total

1. Biofuels from algae: challenges and potential.

Authors: Michael Hannon; Javier Gimpel; Miller Tran; Beth Rasala; Stephen Mayfield
Journal: Biofuels Date: 2010-09 Impact factor: 2.956

2. Occurrence of maize detritus and a transgenic insecticidal protein (Cry1Ab) within the stream network of an agricultural landscape.

Authors: Jennifer L Tank; Emma J Rosi-Marshall; Todd V Royer; Matt R Whiles; Natalie A Griffiths; Therese C Frauendorf; David J Treering
Journal: Proc Natl Acad Sci U S A Date: 2010-09-27 Impact factor: 11.205

Toxins in transgenic crop byproducts may affect headwater stream ecosystems.

1. Transgenic pollen harms monarch larvae.

2. Macroinvertebrate communities in agriculturally impacted southern Illinois streams: patterns with riparian vegetation, water quality, and in-stream habitat quality.

3. Bt corn has a higher lignin content than non-Bt corn.

4. Assessing the impact of Cry1Ab-expressing corn pollen on monarch butterfly larvae in field studies.

5. Impact of Bt corn pollen on monarch butterfly populations: a risk assessment.

6. Corn pollen deposition on milkweeds in and near cornfields.

7. Temporal and spatial overlap between monarch larvae and corn pollen.

Review 8. Effects of plants genetically modified for insect resistance on nontarget organisms.

9. Occurrence and persistence of Bacillus thuringiensis (Bt) and transgenic Bt corn cry1Ab gene from an aquatic environment.

1. Biofuels from algae: challenges and potential.

2. Occurrence of maize detritus and a transgenic insecticidal protein (Cry1Ab) within the stream network of an agricultural landscape.

3. Study of Bt impact on caddisflies overstates its conclusions: response to Rosi-Marshall et al.

4. The burden of proof: a response to Rosi-Marshall et al.

5. Up in arms.

6. GM crops: Battlefield.

7. Advancing environmental risk assessment for transgenic biofeedstock crops.

Review 8. Is the German suspension of MON810 maize cultivation scientifically justified?

Review 9. Risk assessment of toxins derived from Bacillus thuringiensis-synergism, efficacy, and selectivity.

10. Demographic responses of Daphnia magna fed transgenic Bt-maize.