3,645 results found
    1. Evolutionary Biology

    Preservation of three-dimensional anatomy in phosphatized fossil arthropods enriches evolutionary inference

    Achim H Schwermann, Tomy dos Santos Rolo ... Thomas van de Kamp
    X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.
    1. Biochemistry and Chemical Biology
    2. Computational and Systems Biology

    Spatially compartmentalized phase regulation of a Ca2+-cAMP-PKA oscillatory circuit

    Brian Tenner, Michael Getz ... Jin Zhang
    Nanodomain clustering of cAMP effectors represents a novel mechanism of cAMP compartmentation within an oscillatory signaling circuit.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Mechanism of environmentally driven conformational changes that modulate H-NS DNA-bridging activity

    Ramon A van der Valk, Jocelyne Vreede ... Remus T Dame
    The DNA-bridging efficiency of H-NS, a genome organising and transcription regulatory protein, is modulated by changes in environmental conditions of the cell, which drive a structural rearrangement of the protein.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The Ndc80 complex bridges two Dam1 complex rings

    Jae ook Kim, Alex Zelter ... Trisha N Davis
    The ability of the Ndc80 complex to bind two Dam1 complex rings is important for chromosome attachment, and the distance between the two rings is vital for supporting growth.
    1. Cell Biology

    Fusion pore regulation by cAMP/Epac2 controls cargo release during insulin exocytosis

    Alenka Guček, Nikhil R Gandasi ... Sebastian Barg
    Live cell imaging shows that the cAMP-sensor Epac2, a target of major antidiabetic drugs, is central to fusion pore control during insulin granule exocytosis.
    1. Microbiology and Infectious Disease

    A LAMP sequencing approach for high-throughput co-detection of SARS-CoV-2 and influenza virus in human saliva

    Robert Warneford-Thomson, Parisha P Shah ... Roberto Bonasio
    COV-ID is a highly scalable technology that utilizes a two-step barcoding strategy to detect viral RNAs in saliva samples combining RT-LAMP, PCR, and next generation sequencing.
    1. Stem Cells and Regenerative Medicine

    Cardiac differentiation of human pluripotent stem cells using defined extracellular matrix proteins reveals essential role of fibronectin

    Jianhua Zhang, Zachery R Gregorich ... Timothy J Kamp
    Investigation of defined extracellular matrix proteins in differentiation of human pluripotent stem cells to cardiomyocytes reveals fibronectin, in addition to soluble factors, is required for cardiogenesis.
    1. Cell Biology
    2. Genetics and Genomics

    Spatial transcriptomic and single-nucleus analysis reveals heterogeneity in a gigantic single-celled syncytium

    Tobias Gerber, Cristina Loureiro ... J Gray Camp
    Nuclei of the true slime mold Physarum polycephalum are continuously shuttled within the cytoplasmic flow across the gigantic syncytium, yet Physarum can establish and maintain gene expression heterogeneity between different structures of the organism.
    1. Structural Biology and Molecular Biophysics

    The HCN domain couples voltage gating and cAMP response in hyperpolarization-activated cyclic nucleotide-gated channels

    Alessandro Porro, Andrea Saponaro ... Anna Moroni
    Experimental and computational approaches reveal how ligand binding is coupled to voltage sensing in a HCN channels.
    1. Cell Biology

    A novel biosensor to study cAMP dynamics in cilia and flagella

    Shatanik Mukherjee, Vera Jansen ... Dagmar Wachten
    A new FRET-based cAMP biosensor with nanomolar sensitivity makes it possible to measure cAMP dynamics in miniscule subcellular compartments like cilia and flagella.

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