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Immunolocalization and Ultrastructure Show Ingestion of Cry Protein Expressed in by and Its Mode of Action.
Mol Plant Microbe Interact
October 2024
BASF Corporation, Research Triangle Park, NC 27709, U.S.A.
Great interest exists in developing a transgenic trait that controls the economically important soybean () pest, soybean cyst nematode (SCN, ), due to its adaptation to native resistance. Soybean plants expressing the delta-endotoxin, Cry14Ab, were recently demonstrated to control SCN in both growth chamber and field testing. In that communication, ingestion of the Cry14Ab toxin by SCN second stage juveniles (J2s) was demonstrated using fluorescently labeled Cry14Ab in an in vitro assay.
View Article and Find Full Text PDFRecombinant expressing toxin Cyt1Aa: a promising approach for enhancing mosquito control.
Microbiol Spectr
July 2024
Anhui Province Key Laboratory of Zoonoses, the Key Laboratory of Zoonoses of High Institutions in Anhui, Anhui Medical University, Hefei, China.
Article Synopsis
- Scientists created a special type of fungus called -Cyt1Aa that can help kill mosquitoes without using harmful chemicals.
- This new fungus works faster than the usual type, making it better at eliminating mosquito larvae and adults.
- Using this fungus could be a safer way to control mosquitoes and might stop them from becoming resistant to other insecticides in the future.
Reply to Berry, C. Factors Related to and Gut Physiology. Comment on "Rajan, V. An Alkaline Foregut Protects Herbivores from Latex in Forage, but Increases Their Susceptibility to Bt Endotoxin. 2023, , 2195".
Life (Basel)
January 2024
Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA.
The comment titled "Factors related to and gut physiology" disputes some of the inferences in the paper "An Alkaline Foregut Protects Herbivores from Latex in Forage, but Increases Their Susceptibility to Bt Endotoxin" published in this journal. The key points in the dissent are the following: 1. Bt is generally safe to non-target species.
View Article and Find Full Text PDFAn Alkaline Foregut Protects Herbivores from Latex in Forage, but Increases Their Susceptibility to Bt Endotoxin.
Life (Basel)
November 2023
Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA.
About 10% of angiosperms, an estimated 20,000 species, produce latex from ubiquitous isoprene precursors. Latex, an aqueous suspension of rubber particles and other compounds, functions as an antifeedant and herbivory deterrent. It is soluble in neutral to alkaline pH, and coagulates in acidic environments.
View Article and Find Full Text PDFCrystal structures of PirA and PirB toxins from Photorhabdus akhurstii subsp. akhurstii K-1.
Insect Biochem Mol Biol
November 2023
Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai, 400085, Maharashtra, India; Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400094, Maharashtra, India. Electronic address:
PirAB binary toxin from Photorhabdus is toxic to the larvae of dipteran and lepidopteran insect pests. However, the 3-D structures and their toxicity mechanism are not yet fully understood. Here we report the crystal structures of PirA and PirB proteins from Photorhabdus akhurstii subsp.
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