312 results found
  1. September 2014

    Episode 14: September 2014

    In this episode we hear about the spread of the ebola virus, the financial costs of research misconduct, aging in yeast, grooming in flies, and symbiosis between bacteria and fungal cells.
    1. Ecology

    Transcriptome analysis illuminates the nature of the intracellular interaction in a vertebrate-algal symbiosis

    John A Burns et al.
    The endosymbiosis between an alga and the spotted salamander shows several parallels to invertebrate-algal symbioses as well as to pathogen associations in vertebrate animals.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Hemozoin produced by mammals confers heme tolerance

    Rini H Pek et al.
    Heme accumulation is toxic, but deficiency of the heme transporter HRG1/SLC48A1 causes heme sequestration and crystallization into hemozoin within enlarged lysosomes of macrophages, thereby conferring heme tolerance to mammals.
    1. Cell Biology
    2. Immunology and Inflammation

    Autophagy regulates inflammatory programmed cell death via turnover of RHIM-domain proteins

    Junghyun Lim et al.
    Autophagy is critical for the turnover of inflammatory signaling complexes containing RHIM-domain proteins.
    1. Neuroscience

    Optical detection of three modes of endocytosis at hippocampal synapses

    Natali L Chanaday, Ege T Kavalali
    Single synaptic vesicle imaging shows that kinetically distinct endocytic pathways are differentially regulated by calcium and temperature, and influence the fidelity of synaptic vesicle protein retrieval.
    1. Structural Biology and Molecular Biophysics

    Structural basis of ribosomal peptide macrocyclization in plants

    Joel Haywood et al.
    The first crystal structure of an active plant asparaginyl endopeptidase reveals a tetrahedral intermediate state in its active site, which may help to explain why these enzymes have been independently recruited to perform peptide macrocyclization.
    1. Ecology

    Sequestration and activation of plant toxins protect the western corn rootworm from enemies at multiple trophic levels

    Christelle AM Robert et al.
    The western corn rootworm escapes biological control by entomopathogenic nematodes by partitioning and phenocopying the plant defense system for self-protection.
    1. Developmental Biology
    2. Genetics and Genomics

    An alternatively spliced, non-signaling insulin receptor modulates insulin sensitivity via insulin peptide sequestration in C. elegans

    Bryan A Martinez et al.
    A truncated, non-signaling insulin receptor regulates insulin sensitivity in the nematode C. elegans by sequestering insulin peptides and preventing their interaction with full length receptors.
    1. Cell Biology
    2. Ecology

    Ubiquitous macropinocytosis in anthozoans

    Philippe Ganot et al.
    Macropinocytosis, the process of non-specific endocytosis, is a major gateway for large volumes of surrounding medium and nanoparticles to coral cells.
    1. Structural Biology and Molecular Biophysics
    2. Cell Biology

    An intracellular anion channel critical for pigmentation

    Nicholas W Bellono et al.
    Oculocutaneous albinism II (OCA2) contributes to a melanosome-specific anion channel that modulates organellar pH and is critical for melanin synthesis.

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