118 results found
    1. Biochemistry and Chemical Biology
    2. Ecology

    Sex-specific triacylglycerides are widely conserved in Drosophila and mediate mating behavior

    Jacqueline SR Chin, Shane R Ellis ... Joanne Y Yew
    Triacylglycerides found in the males of 11 species of Drosophila form a largely overlooked, novel, sex-specific class of pheromones that act to suppress courtship behaviour.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Genetic basis and dual adaptive role of floral pigmentation in sunflowers

    Marco Todesco, Natalia Bercovich ... Loren H Rieseberg
    Variation in patterns of floral UV pigmentation is controlled by a single transcription factor in sunflower and affects both pollinator attraction and responses to environmental stresses.
    1. Evolutionary Biology

    Computed tomography shows high fracture prevalence among physically active forager-horticulturalists with high fertility

    Jonathan Stieglitz, Benjamin C Trumble ... Michael D Gurven
    High reproductive effort constrains bone tissue response to physical activity-induced mechanical loading.
    1. Epidemiology and Global Health
    2. Evolutionary Biology

    Productivity loss associated with functional disability in a contemporary small-scale subsistence population

    Jonathan Stieglitz, Paul L Hooper ... Michael D Gurven
    Adult spinal fracture substantially impairs subsistence productivity, particularly for men.
    1. Ecology
    2. Neuroscience

    Unique neural coding of crucial versus irrelevant plant odors in a hawkmoth

    Sonja Bisch-Knaden, Michelle A Rafter ... Bill S Hansson
    The sense of smell of female hawkmoths has evolved to find the intense odor of floral nectar sources as well as inconspicuous scents of oviposition sites within a complex olfactory landscape.
    1. Evolutionary Biology
    2. Neuroscience

    Mushroom body evolution demonstrates homology and divergence across Pancrustacea

    Nicholas James Strausfeld, Gabriella Hanna Wolff, Marcel Ethan Sayre
    Demonstrating extreme diversity across crustaceans while contrasting with evolutionary stability in insects, mushroom body homologues further underpin the unity of Pancrustacea and shed new light on arthropod brain evolution.
    1. Neuroscience

    Glycolysis upregulation is neuroprotective as a compensatory mechanism in ALS

    Ernesto Manzo, Ileana Lorenzini ... Daniela C Zarnescu
    Degenerating motor neurons compensate for energetic deficits by upregulating glycolysis in flies and humans, with increased glucose availability improving locomotor function and lifespan in flies.
    1. Cell Biology
    2. Developmental Biology

    Live-cell imaging in human colonic monolayers reveals ERK waves limit the stem cell compartment to maintain epithelial homeostasis

    Kelvin W Pond, Julia M Morris ... Andrew L Paek
    Human colonic organoid monolayers self organize into regularly spaced stem and differentiated cell compartments, which are maintained by waves of ERK activity originating from extruded/dying cells.
    1. Neuroscience

    An insect-like mushroom body in a crustacean brain

    Gabriella Hannah Wolff, Hanne Halkinrud Thoen ... Nicholas James Strausfeld
    An insect-like mushroom body in one group of crustaceans, the mantis shrimps (Stomatopoda), suggests either an ancient origin of this center and its reduction and loss in other crustaceans, or an extraordinary example of convergent evolution with the insect mushroom body.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Recurrent evolution of high virulence in isolated populations of a DNA virus

    Tom Hill, Robert L Unckless
    The same host–virus interactions can evolve multiple times in nature, due to the high effective mutation rate of viruses, and provide interesting systems of study.

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