6,888 results found
    1. Evolutionary Biology

    Destructive disinfection of infected brood prevents systemic disease spread in ant colonies

    Christopher D Pull et al.
    Upon detecting a fatal infection using chemical cues, ants puncture the cuticle of sick brood and inject antimicrobial poison that disrupts the pathogen's life cycle and prevents it from reproducing, thus protecting the colony from disease.
    1. Ecology

    Group size and composition influence collective movement in a highly social terrestrial bird

    Danai Papageorgiou, Damien Roger Farine
    High-resolution GPS data revealed a quadratic relationship between group size and movement, with vulturine guineafowl groups of intermediate size exhibiting the largest home-range size and greater variation in site use.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Independent amylase gene copy number bursts correlate with dietary preferences in mammals

    Petar Pajic et al.
    Comprehensive analyses of amylase duplications and salivary activity across mammals underscore the importance of recurrent copy number variation as a flexible and rapid evolutionary mechanism.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Formicine ants swallow their highly acidic poison for gut microbial selection and control

    Simon Tragust et al.
    Poison acidified crops sanitize food and limit disease transmission while at the same time structuring the gut microbiota and thus contribute to the ecological and evolutionary success of formicine ants.
    1. Ecology
    2. Genetics and Genomics

    Education and Outreach: March Mammal Madness and the power of narrative in science outreach

    Katie Hinde et al.
    Hypothetical battles between animals can be used to interest the general public in biology.
    1. Chromosomes and Gene Expression
    2. Computational and Systems Biology

    Increased longevity due to sexual activity in mole-rats is associated with transcriptional changes in the HPA stress axis

    Arne Sahm et al.
    The fact that sexual activity/reproduction doubles the lifespan of certain rodent species is most likely linked to critical changes in the regulation of the hypothalamic–pituitary–adrenal stress axis.
    1. Ecology

    Strong biomechanical relationships bias the tempo and mode of morphological evolution

    Martha M Muñoz et al.
    The rules of biomechanics consistently influence the tempo (rate) and mode (pattern) of evolution across four-bar linkage systems in animals.
    1. Ecology
    2. Epidemiology and Global Health

    Tracking zoonotic pathogens using blood-sucking flies as 'flying syringes'

    Paul-Yannick Bitome-Essono et al.
    A field study coupled with a molecular analysis demonstrates that using hematophagous flies as 'flying syringes' could be used to investigate blood-borne pathogen diversity in wild vertebrates and act as an early detection tool of zoonotic pathogens.
    1. Evolutionary Biology

    Multifactorial processes underlie parallel opsin loss in neotropical bats

    Alexa Sadier et al.
    Parallel losses of short-wave light sensitivity in diverse bats occurred through independent changes at multiple steps in the conversion of genotype into functional phenotype, including pre-, during, and post-transcription.
    1. Ecology

    Habitat and social factors shape individual decisions and emergent group structure during baboon collective movement

    Ariana Strandburg-Peshkin et al.
    For baboons on the move, habitat features across multiple spatial scales combine with social interactions to impact the movements of individuals, ultimately shaping the structure of the whole group.

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