585 results found
    1. Cell Biology

    Complementary α-arrestin-ubiquitin ligase complexes control nutrient transporter endocytosis in response to amino acids

    Vasyl Ivashov, Johannes Zimmer ... David Teis
    Metabolic cues enlist ubiquitin ligase adaptors for the selective control of cellular nutrient acquisition strategies.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    De novo synthesized polyunsaturated fatty acids operate as both host immunomodulators and nutrients for Mycobacterium tuberculosis

    Thomas Laval, Laura Pedró-Cos ... Caroline Demangel
    Infection with Mycobacterium tuberculosis triggers de novo synthesis of polyunsaturated fatty acids by host macrophages, which promote their antimicrobial responses but feed the intracellular pathogen.
    1. Microbiology and Infectious Disease

    An ECF-type transporter scavenges heme to overcome iron-limitation in Staphylococcus lugdunensis

    Angelika Jochim, Lea Adolf ... Simon Heilbronner
    An ECF-type transporter serves as broad-spectrum heme iron scavenger and allows an opportunistic pathogen to use multiple eukaryotic hemoproteins to overcome nutritional iron-limitation.
    1. Cancer Biology
    2. Genetics and Genomics

    Differential expression of MAGEA6 toggles autophagy to promote pancreatic cancer progression

    Yiu Huen Tsang, Yumeng Wang ... Kenneth L Scott
    An unrecognized regulation on MAGEA protein stability promotes pancreatic cancer progression via manipulating autophagy and may impact the clinical utility of MAGEA-targeted immunotherapy.
    1. Microbiology and Infectious Disease

    Functional membrane microdomains and the hydroxamate siderophore transporter ATPase FhuC govern Isd-dependent heme acquisition in Staphylococcus aureus

    Lea Antje Adolf, Angelika Müller-Jochim ... Simon Heilbronner
    Staphylococcal heme acquisition needs a highly structured cell envelope, the membrane transporter accumulates in membrane domains most likely to allow concerted passage of heme from the cell wall-funnel to the membrane.
    1. Cell Biology
    2. Microbiology and Infectious Disease

    Polo-like kinase Cdc5 regulates Spc72 recruitment to spindle pole body in the methylotrophic yeast Ogataea polymorpha

    Hiromi Maekawa, Annett Neuner ... Yoshinobu Kaneko
    Cdc5-dependent SPB regulation is linked to delayed cytoplasmic microtubule organization in Ogataea polymorpha.
    1. Ecology
    2. Evolutionary Biology

    Emergence of trait variability through the lens of nitrogen assimilation in Prochlorococcus

    Paul M Berube, Anna Rasmussen ... Sallie W Chisholm
    In the context of an organism's ecology, physiology, and macroevolutionary history, inheritance and gene loss can yield emergent patterns of trait variability that give the appearance of gene acquisition.
    1. Developmental Biology

    Fetal and trophoblast PI3K p110α have distinct roles in regulating resource supply to the growing fetus in mice

    Jorge López-Tello, Vicente Pérez-García ... Amanda N Sferruzzi-Perri
    Fetus and trophoblast interplay to regulate fetal nutrient supply and, ultimately, affect healthy growth.
    1. Genetics and Genomics
    2. Microbiology and Infectious Disease

    Pyphe, a python toolbox for assessing microbial growth and cell viability in high-throughput colony screens

    Stephan Kamrad, María Rodríguez-López ... Jürg Bähler
    An open-source python package for phenotype analyses provides a versatile, modular and user-friendly solution to determine complementary fitness-related traits from large-scale assays of microbial colonies.
    1. Cell Biology
    2. Physics of Living Systems

    Dependence of diffusion in Escherichia coli cytoplasm on protein size, environmental conditions, and cell growth

    Nicola Bellotto, Jaime Agudo-Canalejo ... Victor Sourjik
    Diffusion of differently sized proteins in bacterial cytoplasm is nearly Brownian and consistent with the Stokes-Einstein relation, once protein shape and cell geometry are taken into account, and effects of various perturbation can be described as changes in cytoplasmic viscosity.

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