122 results found
    1. Microbiology and Infectious Disease

    A Plasmodium falciparum MORC protein complex modulates epigenetic control of gene expression through interaction with heterochromatin

    Maneesh Kumar Singh, Victoria Ann Bonnell ... Celia RS Garcia
    Multi-omic analyses reveal that the chromatin-associated microrchidia protein, MORC (PF3D7_1468100), at the blood stage of the human malaria parasite, Plasmodium falciparum, interacts with a range of nuclear proteins.
    1. Chromosomes and Gene Expression
    2. Microbiology and Infectious Disease

    PfMORC protein regulates chromatin accessibility and transcriptional repression in the human malaria parasite, Plasmodium falciparum

    Zeinab M Chahine, Mohit Gupta ... Karine G Le Roch
    The PfMORC protein is proven to play a crucial role in chromatin structure, gene regulation and heterochromatin stability, categorizing PfMORC as a strong potential candidate for novel therapeutic interventions.
    1. Biochemistry and Chemical Biology
    2. Evolutionary Biology

    Pyruvate:ferredoxin oxidoreductase and low abundant ferredoxins support aerobic photomixotrophic growth in cyanobacteria

    Yingying Wang, Xi Chen ... Kirstin Gutekunst
    Synechocystis switches its redox pools under reducing photomixotrophic conditions from utilizing NAD(H)- to ferredoxin-dependent enzymes and thereby balances its metabolism in a trade-off between energy conservation and chemical driving forces.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    Structure of the active form of human origin recognition complex and its ATPase motor module

    Ante Tocilj, Kin Fan On ... Leemor Joshua-Tor
    The human Origin Replication Complex is shaped as a shallow corkscrew in a classic AAA+ organization reminiscent of clamp loader complexes with highly controlled ATPase activity as exemplified by Meier-Gorlin syndrome mutations.
    1. Chromosomes and Gene Expression

    The dynamic nature of the human origin recognition complex revealed through five cryoEM structures

    Matt J Jaremko, Kin Fan On ... Leemor Joshua-Tor
    The origin recognition complex is a dynamic complex that assumes various conformational states that likely correspond to different steps in replication initiation.
    1. Microbiology and Infectious Disease

    A novel decoy strategy for polymyxin resistance in Acinetobacter baumannii

    Jaeeun Park, Misung Kim ... Woojun Park
    Outer membrane vesicles serve as decoys to reduce the chance of direct polymyxin B (PMB) binding to cells, which partly explains why many clinical isolates and microbial communities can be protected against PMB treatment.
    1. Neuroscience

    Visualizing endogenous opioid receptors in living neurons using ligand-directed chemistry

    Seksiri Arttamangkul, Andrew Plazek ... John T Williams
    Opioid sensitive neurons were identified using a traceless affinity labeling strategy to covalently label endogenous mu-opioid receptors with fluorescent compounds in living brain slices from wild type animals.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Local emergence in Amazonia of Plasmodium falciparum k13 C580Y mutants associated with in vitro artemisinin resistance

    Luana C Mathieu, Horace Cox ... Lise Musset
    The de novo selection of a mutation responsible for Plasmodium falciparum in vitro artemisinin resistance is confirmed in Guyana, making artemisinin combination therapies vulnerable to complete resistance in this region.
    1. Chromosomes and Gene Expression

    Differentiating Drosophila female germ cells initiate Polycomb silencing by regulating PRC2-interacting proteins

    Steven Z DeLuca, Megha Ghildiyal ... Allan C Spradling
    Characterization of Drosophila female germ cell differentiation shows that nurse cells initiate Polycomb silencing by regulating Pcl and Scm levels to alter the biochemical properties of the PRC2 H3K27 methylase.
    1. Microbiology and Infectious Disease

    Interchromosomal segmental duplication drives translocation and loss of P. falciparum histidine-rich protein 3

    Nicholas J Hathaway, Isaac E Kim ... Jeffrey A Bailey
    Sequence analyses show a pfhrp3 deletion mechanism involves duplication of chromosome 11 segment, which is normally removed via negative selection, and specific conditions are needed for spread including low transmission.

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