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Covering: up to 2025Natural product-based research encompasses the discovery, structure elucidation, biosynthesis, synthesis, and application of naturally occurring secondary metabolites. Securingine alkaloids, isolated from , have emerged as valuable molecular frameworks for exploring various aspects of natural product research due to their distinct chemical structures, characterized by unique oxidation and rearrangement patterns. Herein, we provide a comprehensive account of our journey in developing novel synthetic strategies and tactics for accessing all known and even unknown securingines and investigating the potential application of securingine B as a novel class of natural product-based molecular photoswitches.
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http://dx.doi.org/10.1039/d5np00025d | DOI Listing |
EMBO Mol Med
September 2025
State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Sciences, 100071, Beijing, China.
Traditional live attenuated vaccines (LAVs) are typically developed through serial passaging or genetic engineering to introduce specific mutations or deletions. While viral RNA secondary or tertiary structures have been well-documented for their multiple functions, including binding with specific host proteins, their potential for LAV design remains largely unexplored. Herein, using Zika virus (ZIKV) as a model, we demonstrate that targeted disruption of the primary sequence or tertiary structure of a specific viral RNA element responsible for Musashi-1 (MSI1) binding leads to a tissue-specific attenuation phenotype in multiple animal models.
View Article and Find Full Text PDFNat Biotechnol
September 2025
Institute of Engineering in Medicine, University of California, San Diego, La Jolla, CA, USA.
RNA-protein interactions critically regulate gene expression and cellular processes, yet their comprehensive mapping remains challenging due to their structural diversity. We introduce PRIM-seq (protein-RNA interaction mapping by sequencing), a method for concurrent de novo identification of RNA-binding proteins and their associated RNAs. PRIM-seq generates unique chimeric DNA sequences by proximity ligation of RNAs with protein-linked DNA barcodes, which are subsequently decoded through sequencing.
View Article and Find Full Text PDFSpinal Cord Ser Cases
September 2025
Rehabilitation Sciences Institute, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
Study Design: Concurrent mixed methods case series.
Objectives: To examine the feasibility and effect of a peer-facilitated, remote handcycling sport program on physical, psychological, and social health of individuals with spinal cord injury or disease (SCI/D) aged ≥50 years.
Setting: Participants' homes.
J Chem Inf Model
September 2025
Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721-0041, United States.
The development of low-cost, high-performance materials with enhanced transparency in the long-wavelength infrared (LWIR) region (800-1250 cm/8-12.5 μm) is essential for advancing thermal imaging and sensing technologies. Traditional LWIR optics rely on costly inorganic materials, limiting their broader deployment.
View Article and Find Full Text PDFPlant Cell Physiol
September 2025
Biostructural Mechanism Laboratory, RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan.
Phycobilisome (PBS) is a water-soluble light-harvesting supercomplex found in cyanobacteria, glaucophytes, and rhodophytes. PBS interacts with photosynthetic reaction centers, specifically photosystems II and I (PSII and PSI), embedded in the thylakoid membrane. It is widely accepted that PBS predominantly associates with PSII, which functions as the initial complex in the linear electron transport chain.
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