Browse our latest Evolutionary Biology articles

Page 52 of 114
    1. Evolutionary Biology

    Ovipositor and mouthparts in a fossil insect support a novel ecological role for early orthopterans in 300 million years old forests

    Lu Chen, Jun-Jie Gu ... Olivier Béthoux
    Hundreds of fossil remains shed new light on the evolution of grasshoppers, gryllids, and katydids and their ecological role 300 million years ago.
    1. Evolutionary Biology

    Dinosaur bonebed amber from an original swamp forest soil

    Sergio Álvarez-Parra, Ricardo Pérez-de la Fuente ... Xavier Delclòs
    The most prolific and oldest locality in which a rich dinosaur bonebed and fossiliferous amber have been found in association is revealed, allowing the reconstruction of an ancient terrestrial ecosystem with a detail and accuracy reached only exceptionally in palaeontology.
    1. Evolutionary Biology

    Wings and halteres act as coupled dual oscillators in flies

    Tanvi Deora, Siddharth S Sane, Sanjay P Sane
    Flight system of flies is driven by wings and mechanosensory halteres that operate as independently driven but coupled oscillators, thereby imparting robustness against wing or thorax damage.
    1. Evolutionary Biology

    New fossils of Australopithecus sediba reveal a nearly complete lower back

    Scott A Williams, Thomas Cody Prang ... Lee R Berger
    Newly recovered lumbar vertebrae belonging to Malapa Hominin 2, an adult female of the fossil hominin species Australopithecus sediba, demonstrate that this individual was adapted to upright posture and bipedal locomotion but also had adaptations for climbing in trees.
    1. Developmental Biology
    2. Evolutionary Biology

    Biomarkers in a socially exchanged fluid reflect colony maturity, behavior, and distributed metabolism

    Sanja M Hakala, Marie-Pierre Meurville ... Adria C LeBoeuf
    Socially exchanged fluids passed mouth-to-mouth in ant colonies contain protein signatures of colony maturity and individual behavioral role, indicating that this fluid may underlie a distributed metabolism that functions over the scale of the colony.
    1. Evolutionary Biology

    Stronger net selection on males across animals

    Lennart Winkler, Maria Moiron ... Tim Janicke
    Comparative study provides evidence that males are under stronger total selection compared to females.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Unconventional conservation reveals structure-function relationships in the synaptonemal complex

    Lisa E Kursel, Henry D Cope, Ofer Rog
    The protein components of an essential and conserved meiotic interface, the synaptonemal complex, have highly conserved coil-coiled domains and protein length, despite highly diverged sequence.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    STING mediates immune responses in the closest living relatives of animals

    Arielle Woznica, Ashwani Kumar ... Julie K Pfeiffer
    Developing Monosiga brevicollis as a model to study choanoflagellate immune responses reveals that the innate immune protein STING mediates responses to cyclic dinucleotides in choanoflagellates, providing insight into the evolution of STING signaling on the animal stem lineage.
    1. Evolutionary Biology

    Early evolution of beetles regulated by the end-Permian deforestation

    Xianye Zhao, Yilun Yu ... Bo Wang
    Permian xylophagous beetles suffered a severe extinction during the end-Permian mass extinction largely due to the collapse of forest ecosystems.
    1. Evolutionary Biology
    2. Neuroscience

    Molecular reconstruction of recurrent evolutionary switching in olfactory receptor specificity

    Lucia L Prieto-Godino, Hayden R Schmidt, Richard Benton
    A 'hotspot' position in an olfactory receptor protein family underlies changes in odor tuning in different receptors at different times during evolution.