Although no country to date has released a major genetically modified (GM) food grain crop, China is on the threshold of commercializing GM rice. This paper studies two of the four GM varieties that are now in farm-level preproduction trials, the last step before commercialization. Farm surveys of randomly selected farm households that are cultivating the insect-resistant GM rice varieties, without the aid of experimental station technicians, demonstrate that when compared with households cultivating non-GM rice, small and poor farm households benefit from adopting GM rice by both higher crop yields and reduced use of pesticides, which also contribute to improved health.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1126/science.1108972 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Insight into Rice Resistance to the Brown Planthopper: Gene Cloning, Functional Analysis, and Breeding Applications.
Int J Mol Sci
December 2024
State Key Laboratory for Ecological Pest Control of Fujian and Taiwan Crops, College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
This review provides a comprehensive overview of the current understanding of rice resistance to the brown planthopper (BPH), a major pest that poses significant threats to rice production through direct feeding damage and by transmitting viruses such as Rice grassy stunt virus (RGSV) and Rice ragged stunt virus (RRSV). We highlight the emergence of various BPH biotypes that have overcome specific resistance genes in rice. Advances in genetic mapping and cloning have identified 17 BPH resistance genes, classified into typical R genes encoding nucleotide-binding leucine-rich repeat (NLR) proteins and atypical R genes such as lectin receptor kinases and proteins affecting cell wall composition.
View Article and Find Full Text PDFIdentification of a vital transcription factor of the alanine aminotransferase in the brown planthopper and its upstream regulatory pathways.
Insect Biochem Mol Biol
December 2024
State Key Laboratory of Biocontrol and School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, China. Electronic address:
The brown planthopper (Nilaparvata lugens) is an important insect pest of rice, and can rapidly adapt to insect-resistant rice varieties. In our previous studies, alanine aminotransferase in N. lugens (NlALT) was found to play an important role in the adaptation of the brown planthopper to resistant rice IR36.
View Article and Find Full Text PDFIdentification, Cloning, and Characterization of Two Acupuncture-Injury-Inducing Promoters in Rice.
Int J Mol Sci
September 2024
School of Life Sciences, Hubei University, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Wuhan 430062, China.
As an important global food crop, rice is damaged by a variety of piercing-sucking pests. Identifying a broad-spectrum promoter induced by the physical signal of sucking pests and applying it to transgenic breeding to mitigate the damage caused by different sucking pests will significantly improve the efficiency of our breeding. This study compared the transcriptome changes in two rice varieties under needle-wounding stress to investigate their differential responses to mechanical damage.
View Article and Find Full Text PDFCharacterization of transgenic insect resistant sunflower (Helianthus annuus L.) expressing fusion protein Cry1Ab-Vip3Af2.
Int J Biol Macromol
November 2024
State Key Laboratory of Rice Biology, Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310000, Zhejiang Province, China; Hangzhou Ruifeng Biosciences Co., Ltd., 1500 Wenyi Road, Building 1, Room103, Hangzhou 310000, Zhejiang Province, China. Electronic address:
Article Synopsis
- Lepidopteran pests are major threats to sunflowers, significantly damaging crops.
- Researchers developed a transgenic sunflower, MCPN-7, using the Cry1Ab-Vip3Af2 gene to enhance resistance against pests like the yellow peach moth and cotton bollworm.
- Laboratory tests showed 100% mortality of these pests on MCPN-7 within 72 hours, and field trials indicated no significant damage, highlighting its potential for commercial use.
miRNA-mediated insect-resistant transgenic rice poses no risk to a non-target parasitoid, Cotesia chilonis, via direct feeding or through its target host.
Insect Sci
July 2024
National Key Laboratory of Rice Biology and Breeding, Institute of Insect Sciences, Zhejiang University, Hangzhou, China.
MicroRNAs (miRNAs) have started to play an important role in pest control, and novel miRNA-based transgenic insect-resistant plants are now emerging. However, an environmental risk assessment of these novel transgenic plants expressing insect miRNAs must be undertaken before promoting their application. Here, transgenic miR-14 rice, which has high resistance to the rice stem borer Chilo suppressalis, was used as an example for evaluation in this study.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!