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    1. Chromosomes and Gene Expression

    Chromatin endogenous cleavage provides a global view of yeast RNA polymerase II transcription kinetics

    Jake VanBelzen, Bennet Sakelaris ... Jason H Brickner
    An alternative method for mapping RNA polymerase II occupancy over the genome provides new insights into the kinetics and molecular mechanism of transcription.
    1. Neuroscience

    Simultaneous brain, brainstem, and spinal cord pharmacological-fMRI reveals involvement of an endogenous opioid network in attentional analgesia

    Valeria Oliva, Ron Hartley-Davies ... Jonathan CW Brooks
    Attention-grabbing tasks produce rapid opioid-mediated analgesia via the descending pain modulation network to alter spinal neuronal activity.
    1. Cell Biology

    Endogenous tagging using split mNeonGreen in human iPSCs for live imaging studies

    Mathieu C Husser, Nhat P Pham ... Alisa Piekny
    The split mNeonGreen system enables fast and efficient endogenous tagging in human iPSCs and facilitates the study of proteins in human stem cells and differentiated cells by live imaging.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Co-option of an endogenous retrovirus envelope for host defense in hominid ancestors

    Daniel Blanco-Melo, Robert J Gifford, Paul D Bieniasz
    The reconstitution of a functional envelope protein from an extinct hominid retrovirus reveals its receptor and an ancient host defense that may have led to the extinction of the virus.
    1. Cell Biology
    2. Genetics and Genomics

    Allele-specific endogenous tagging and quantitative analysis of β-catenin in colorectal cancer cells

    Giulia Ambrosi, Oksana Voloshanenko ... Michael Boutros
    Bi-allelic tagging enables the biophysical analysis of oncogenic β-catenin genetic variants in Wnt signaling.
    1. Neuroscience

    Functional independence of endogenous μ- and δ-opioid receptors co-expressed in cholinergic interneurons

    Seksiri Arttamangkul, Emily J Platt ... David Farrens
    Endogenous µ- and δ-opioid receptors do not form stable heterodimers in cholinergic interneurons.
    1. Neuroscience

    Contextual control of conditioned pain tolerance and endogenous analgesic systems

    Sydney Trask, Jeffrey S Mogil ... Katelyn E Sadler
    Through associative learning, environmental context can come to exert control over the endogenous opioid system such that it is recruited as a conditioned compensatory response to ongoing painful stimuli in both male and female mice, or in anticipation of a painful stimulus in females.
    1. Genetics and Genomics

    Engineering of the endogenous HBD promoter increases HbA2

    Mandy Y Boontanrart, Elia Mächler ... Jacob E Corn
    Gene-editing to repair non-functional transcriptional elements in the endogenous promoter of δ-globin increases overall expression of adult hemoglobin 2 (HbA2), providing proof-of-concept for a therapeutic avenue to treat β-hemoglobinopathies.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Control of RNA viruses in mosquito cells through the acquisition of vDNA and endogenous viral elements

    Michel Tassetto, Mark Kunitomi ... Raul Andino
    Virus infection in mosquitoes initiates a highly discriminatory process in which fragments of viral RNA are reverse transcribed to create DNA copies that serve as templates of small antiviral RNAs.
    1. Chromosomes and Gene Expression
    2. Immunology and Inflammation

    Soluble PD-L1 generated by endogenous retroelement exaptation is a receptor antagonist

    Kevin W Ng, Jan Attig ... George Kassiotis
    An ancient integration of an endogenous retroelement in the gene encoding PD-L1 is exapted to generate a soluble form that antagonises the suppressive function of the membrane-bound form.