In this study, a series of silyl-containing ethoxycarbonates and ethoxycarbamates on electron poor anilines and phenols were synthesized and their kinetics of disassembly determined in real-time upon exposure to fluoride ion sources at room temperature. The results provide a greater understanding of stability and kinetics for silyl-containing protecting groups that eliminate volatile molecules upon removal, which will allow for simplification of orthogonal protection in complex organic molecules.
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http://dx.doi.org/10.1039/c7ra07876e | DOI Listing |
Methods Mol Biol
December 2024
Institute of Physiological Chemistry, Faculty of Medicine Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
Adenosin triphosphate (ATP)-dependent nucleosome remodeling factors sculpt the nucleosomal landscape of eukaryotic chromatin. They deposit, evict, or reposition nucleosomes along DNA in a process termed nucleosome sliding. Remodeling has traditionally been analyzed using mononucleosomes as a model substrate.
View Article and Find Full Text PDFCell Commun Signal
December 2024
Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea.
The primary cilium is a cellular organelle whose assembly and disassembly are closely linked to the cell cycle. The centriole distal appendage (DA) is essential for the early stages of ciliogenesis by anchoring the mother centriole to the cell surface. Despite the identification of over twelve proteins constituting the DA, including CEP83, CEP89, CEP164, FBF1, and SCLT1, their specific functions in ciliary dynamics are not fully understood.
View Article and Find Full Text PDFTargeting of exocytosis enables cellular morphogenesis, motility and polarized transport, yet relatively little is known about the targeting mechanisms in cellular systems. Here we show that the SEC/MUNC protein KEULE is a dynamic marker for individual secretory events and employ it as a live cell probe, that together with high-precision image analysis of thousands of events, reveal that cortical microtubule arrays act as two-dimensional templates that pattern exocytosis at the nano-scale in higher plant cells. This mechanism is distinct from previously described mechanisms involving motor-driven transport and defines ordered and adjacent linear domains where secretory events are higher and lower than expected, effectively redistributing exocytosis over most of the cell membrane.
View Article and Find Full Text PDFACS Sens
December 2024
College of Food Science and Technology, Laboratory of Nutritional and Healthy Food-Individuation Manufacturing Engineering/Research Center of Food Safety Risk Assessment and Control, Northwest University, Xi'an, Shaanxi 710069, China.
This work introduces a fluorometric/electrical dual-biosensing logic system based on a DNA reaction network (DRN). This system was used to spatiotemporally modulate the kinetic behavior of DNA nanostructures. The system, acting as a programmable and modulative central controller introduced to implement, enabled the monitoring of the target gliotoxin.
View Article and Find Full Text PDFBioorg Chem
November 2024
Department of Organic Chemistry, Indian Institute of Science, Bangalore, India. Electronic address:
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