Trehalase regulates energy metabolism in insects by converting trehalose into two glucose molecules. High amounts of trehalase are critical for insect flight and larval stress resistance. However, whether trehalase participates in the development of pesticide resistance remains unclear. In this study, we explored this phenomenon and the mechanism that underlies the regulation of transcription. We found that overexpression of 1 and 2 induced (Bt) resistance in . The promoter sequences of 1 and 2 were also cloned and identified. The dual-luciferase reporter system and RNA interference technology revealed that the expression of 1 and 2 genes is possibly regulated by the CCAAT enhancer-binding protein (C/EBPα). A yeast one-hybrid experiment confirmed the interaction between C/EBPα and the 2 promoter. The findings of this study suggest that C/EBPα mediates the adaptability of to adverse environmental stressors by regulating the expression of trehalase.
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http://dx.doi.org/10.3390/insects13040340 | DOI Listing |
Antimicrob Agents Chemother
January 2025
Department of Biology, Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven, Belgium.
The incidence of non- infections has witnessed a substantial rise in recent decades. ), an opportunistic human fungal pathogen, is accountable for both superficial mucosal and life-threatening bloodstream infections, particularly in immunocompromised individuals. Distinguished by its remarkable resilience to environmental stressors, exhibits intrinsic tolerance to azoles and a high propensity to swiftly develop azole resistance during treatment.
View Article and Find Full Text PDFJ Fungi (Basel)
November 2024
Science Center for Future Foods, Jiangnan University, Wuxi 214122, China.
Trehalose is crucial for the stress resistance of , primarily through its stabilization of proteins and membranes. The Agt1 transporter, a member of the Major Facilitator Superfamily, mediates trehalose uptake, a key process for maintaining cellular integrity under stress. Despite its importance, the molecular mechanisms of Agt1-mediated trehalose transport remain underexplored.
View Article and Find Full Text PDFInt J Mol Sci
October 2024
College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China.
Pest Manag Sci
February 2025
Department of Entomology, Kansas State University, Agricultural Research Station-Hays, Hays, KS, USA.
Background: Temperature is an important determinant of developmental and reproductive rates in insects. Here, we investigated the physiological responses of adult beet webworm, Loxostege sticticalis L. (Lepidoptera: Crambidae), to three temperatures (16, 23 and 30 °C) focusing on trehalose metabolism.
View Article and Find Full Text PDFSci Transl Med
September 2024
Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA.
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