8 results found
    1. Ecology

    Countercurrent heat exchange and thermoregulation during blood-feeding in kissing bugs

    Chloé Lahondère et al.
    A novel thermoregulatory mechanism in blood-sucking insects, vectors of human disease, is described using a functional-morphological approach.
    1. Ecology

    Thermoregulation: Bugs battle stress from hot blood

    Joshua B Benoit, David L Denlinger
    A heat exchange mechanism in the head of kissing bugs helps to prevent stress and regulate their temperature while they feed on warm blood.
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    1. Neuroscience

    The RFamide receptor DMSR-1 regulates stress-induced sleep in C. elegans

    Michael J Iannacone et al.
    During sickness, sleep is induced by neuropeptides, which contain an amidated arginine-phenylalanine motif, acting in a neuroendocrine fashion on a G-protein coupled receptor called DMSR-1.
    1. Developmental Biology and Stem Cells

    Dynamic BMP signaling polarized by Toll patterns the dorsoventral axis in a hemimetabolous insect

    Lena Sachs et al.
    During the evolution of insect lineages, a signaling pathway dedicated to pathogen defense was co-opted for a new role in embryonic patterning.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Acquisition of exogenous haem is essential for tick reproduction

    Jan Perner et al.
    The lack of haem biosynthetic and degradative pathways in ticks offers new strategies to combat these parasites.
    1. Neuroscience

    The cation channel TRPA1 tunes mosquito thermotaxis to host temperatures

    Román A Corfas, Leslie B Vosshall
    Female mosquitoes are exquisitely sensitive to human body heat, and the TRPA1 gene is required to focus their attraction toward thermal stimuli resembling warm-blooded hosts.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Recurrent loss of CenH3 is associated with independent transitions to holocentricity in insects

    Ines A Drinnenberg et al.
    CenH3, the defining component of centromeres in almost all eukaryotes, was independently lost in four insect lineages that transitioned from monocentricity to holocentricity.
    1. Computational and Systems Biology
    2. Evolutionary Biology

    Punctuated evolution and transitional hybrid network in an ancestral cell cycle of fungi

    Edgar M Medina et al.
    Cell cycle network evolution in a fungal ancestor was punctuated by the arrival of a viral DNA-binding protein that was permanently incorporated into the regulatory network controlling cell cycle entry.

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