1,638 results found
    1. Neuroscience

    Discriminative stimuli are sufficient for incubation of cocaine craving

    Rajtarun Madangopal, Brendan J Tunstall ... Bruce T Hope
    Stimuli signaling reward availability potentiate and control relapse for up to 300 days of abstinence following cocaine, but not food, self-administration in rats.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Hypothemycin, a fungal natural product, identifies therapeutic targets in Trypanosoma brucei

    Mari Nishino, Jonathan W Choy ... Jack Taunton
    Hypothemycin, which inhibits a number of protein kinases, kills the T. brucei parasites that cause sleeping sickness and reveals new therapeutic targets for the disorder.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Cryo electron tomography with volta phase plate reveals novel structural foundations of the 96-nm axonemal repeat in the pathogen Trypanosoma brucei

    Simon Imhof, Jiayan Zhang ... Kent L Hill
    Cryo electron tomography provides the first high-resolution 3D axoneme structure from any pathogenic organism, revealing novel structures that support the unique motility of these pathogens through host tissues.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Profiling the bloodstream form and procyclic form Trypanosoma brucei cell cycle using single-cell transcriptomics

    Emma M Briggs, Catarina A Marques ... Keith R Matthews
    Single-cell transcriptomics of cryopreserved parasites reveals extensive cyclic regulation of mRNA abundance by Trypanosoma brucei during the cell cycle.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Evolutionary diversification of the trypanosome haptoglobin-haemoglobin receptor from an ancestral haemoglobin receptor

    Harriet Lane-Serff, Paula MacGregor ... Mark Carrington
    The ligand specificity and expression profile of the haptoglobin-haemoglobin receptor has diversified throughout the evolution of trypanosomes.
    1. Microbiology and Infectious Disease

    Codon usage bias controls mRNA and protein abundance in trypanosomatids

    Laura Jeacock, Joana Faria, David Horn
    Global relative mRNA and protein abundance in trypanosomatids can be effectively estimated at transcriptomic and proteomic scales based on protein-coding sequences alone.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Time-resolved studies define the nature of toxic IAPP intermediates, providing insight for anti-amyloidosis therapeutics

    Andisheh Abedini, Annette Plesner ... Ann Marie Schmidt
    Toxic IAPP intermediates have some molecular features that are similar to, and others that are distinct from, toxic species reported for other amyloidogenic polypeptides.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Purine nucleosides replace cAMP in allosteric regulation of PKA in trypanosomatid pathogens

    Veronica Teresa Ober, George Boniface Githure ... Michael Boshart
    A minimal subset of two to three residues in cyclic nucleotide binding (CNB) domains controls nucleoside vs. cyclic nucleotide specificity, repurposing PKA of certain pathogens for novel nucleoside signaling pathways or sensing.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    PI(3,4,5)P3 allosteric regulation of repressor activator protein 1 controls antigenic variation in trypanosomes

    Abdoulie O Touray, Rishi Rajesh ... Igor Cestari
    Nuclear phosphoinositide signaling controls telomeric gene repression and activation essential for switching expression of surface antigen genes and thus antigenic variation.
    1. Chromosomes and Gene Expression

    The SPARC complex defines RNAPII promoters in Trypanosoma brucei

    Desislava P Staneva, Stefan Bresson ... Robin C Allshire
    The SPARC complex directs accurate RNAPII positioning for transcription initiation and, in some instances, ensures correct transcription directionality in Trypanosoma brucei.

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