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| http://dx.doi.org/10.1038/s41586-020-2366-x | DOI Listing |
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Do the Shuffle: Expanding the Synthetic Biology Toolkit for Shufflon-like Recombination Systems.
ACS Synth Biol
January 2025
Department of Life Sciences, Imperial College London, London SW7 2AZ, U.K.
Naturally occurring DNA inversion systems play an important role in the generation of genetic variation and adaptation in prokaryotes. Shufflon invertase (SI) from plasmid R64, recognizing asymmetric sites, has been adopted as a tool for synthetic biology. However, the availability of a single enzyme with moderate rates of recombination has hampered the more widespread use of SIs.
View Article and Find Full Text PDFMechanical forces are critical for virtually all fundamental biological processes, yet quantification of mechanical forces at the molecular scale remains challenging. Here, we present a new strategy using calibrated coiled-coils as genetically encoded, compact, tunable, and modular mechano-sensors to substantially simplify force measurement , via diverse readouts (luminescence, fluorescence and analytical biochemistry) and instrumentation readily available in biology labs. We demonstrate the broad applicability and ease-of-use of these coiled-coil mechano-sensors by measuring forces during cytokinesis (formin Cdc12) and endocytosis (epsin Ent1) in yeast, force distributions in nematode axons (β-spectrin UNC-70), and forces transmitted to the nucleus (mini-nesprin-2G) and within focal adhesions (vinculin) in mammalian cells.
View Article and Find Full Text PDFEnhanced Corneal Repair with Hyaluronic Acid/Proanthocyanidins Nanoparticles.
ACS Omega
January 2025
The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou 221002, China.
This study investigates the therapeutic potential of hyaluronic acid/proanthocyanidin (HA/PAC) nanoparticles in treating alkali-induced corneal burns. Alkali burns are common ocular emergencies that can lead to severe vision impairment if not promptly and properly treated. The low water solubility of proanthocyanidins (PACs), which are potent antioxidant and anti-inflammatory agents, limits their bioavailability and therapeutic efficacy.
View Article and Find Full Text PDFAccumulation of advanced oxidative protein products exacerbate satellite glial cells activation and neuropathic pain.
Mol Med
January 2025
Division of Spine Surgery, Department of Orthopedics, Nanfang Hospital, Southern Medical University, 1838 North Guangzhou Ave, Guangzhou, 510515, People's Republic of China.
Background: Neuropathic pain (NP) is a debilitating condition caused by lesion or dysfunction in the somatosensory nervous system. Accumulation of advanced oxidation protein products (AOPPs) is implicated in mechanical hyperalgesia. However, the effects of AOPPs on NP remain unclear.
View Article and Find Full Text PDFA quantitative intracellular peptide binding assay reveals recognition determinants and context dependence of short linear motifs.
J Biol Chem
January 2025
Department of Biochemistry and Molecular Biotechnology, University of Massachusetts Chan Medical School, Worcester, MA 01605, USA. Electronic address:
Transient protein-protein interactions play key roles in controlling dynamic cellular responses. Many examples involve globular protein domains that bind to peptide sequences known as Short Linear Motifs (SLiMs), which are enriched in intrinsically disordered regions of proteins. Here we describe a novel functional assay for measuring SLiM binding, called Systematic Intracellular Motif Binding Analysis (SIMBA).
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