341 results found
    1. Cell Biology
    2. Immunology and Inflammation

    Sequence specific detection of bacterial 23S ribosomal RNA by TLR13

    Xiao-Dong Li, Zhijian J Chen
    A pattern recognition receptor called toll-like receptor 13 detects pathogens in a manner that is different to that seen in other pathogen sensors.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    EBI2-mediated bridging channel positioning supports splenic dendritic cell homeostasis and particulate antigen capture

    Tangsheng Yi, Jason G Cyster
    The receptor EBI2 is essential for correctly positioning CD4+ dendritic cells in the spleen so that they can present blood-borne antigens to T cells and thereby provoke an antibody response.
    1. Cell Biology

    TRPM5-mediated calcium uptake regulates mucin secretion from human colon goblet cells

    Sandra Mitrovic, Cristina Nogueira ... Vivek Malhotra
    Goblet cells secrete mucins—which are key components of mucus—in a process that is regulated by calcium ions, which enter the goblet cells via a mechanism involving a channel protein called TRPM5.
    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. Microbiology and Infectious Disease

    Reciprocal virulence and resistance polymorphism in the relationship between Toxoplasma gondii and the house mouse

    Jingtao Lilue, Urs Benedikt Müller ... Jonathan C Howard
    Mechanisms that enable wild mice to survive infection with strains of the Toxoplasma gondii parasite virulent enough to kill laboratory mice offer an explanation for how these parasites have been able to persist in the mouse population.
    1. Biochemistry and Chemical Biology
    2. Ecology

    ABC transporter functions as a pacemaker for sequestration of plant glucosides in leaf beetles

    Anja S Strauss, Sven Peters ... Antje Burse
    A transport protein enables leaf beetle larvae to take up and store plant toxins and use them as part of their own defense strategy.
    1. Structural Biology and Molecular Biophysics
    2. Evolutionary Biology

    An atomic-resolution view of neofunctionalization in the evolution of apicomplexan lactate dehydrogenases

    Jeffrey I Boucher, Joseph R Jacobowitz ... Douglas L Theobald
    The convergent evolution of unusually strict substrate specificity in apicomplexan LDHs arose by classic neofunctionalization of a duplicated MDH gene via few mutations of large effect.
    1. Biochemistry and Chemical Biology

    Quantitative determinants of aerobic glycolysis identify flux through the enzyme GAPDH as a limiting step

    Alexander A Shestov, Xiaojing Liu ... Jason W Locasale
    A new computational model of the Warburg Effect reveals that the rate-limiting step of glycolysis is variable, identifies new control mechanisms, and could help to predict the responses to targeting glycolysis to treat cancer.
    1. Microbiology and Infectious Disease

    Insect endosymbiont proliferation is limited by lipid availability

    Jeremy K Herren, Juan C Paredes ... Bruno Lemaitre
    The endosymbiont Spiroplasma can only proliferate if it can acquire sufficient hemolymph lipids from its insect host.
    1. Cell Biology

    A role of OCRL in clathrin-coated pit dynamics and uncoating revealed by studies of Lowe syndrome cells

    Ramiro Nández, Daniel M Balkin ... Pietro De Camilli
    Studies of Lowe syndrome patient cells, which lack the inositol 5-phosphatase OCRL, suggest that a defect in endocytosis plays a role in the pathological manifestations of the disease.

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