157 results found
    1. Biochemistry and Chemical Biology
    2. Evolutionary Biology

    'Palaeoshellomics’ reveals the use of freshwater mother-of-pearl in prehistory

    Jorune Sakalauskaite, Søren H Andersen ... Beatrice Demarchi
    Ancient proteomes from tiny shell ornaments were successfully characterised for the first time, showing the unexpected use of mother-of-pearl from local riverine molluscs in both coastal and inland prehistoric sites.
    1. Developmental Biology
    2. Evolutionary Biology

    Evolution of limb development in cephalopod mollusks

    Oscar A Tarazona, Davys H Lopez ... Martin J Cohn
    Cuttlefish embryos reveal that cephalopod mollusks evolved specialized arms and tentacles by activating the same genetic circuits that control development of limbs in arthropods and vertebrates.
    1. Epidemiology and Global Health
    2. Microbiology and Infectious Disease

    Alternative splicing of coq-2 controls the levels of rhodoquinone in animals

    June H Tan, Margot Lautens ... Gustavo Salinas
    The switch from ubiquinone to rhodoquinone synthesis that is required for parasitic helminths to survive in anaerobic host tissues is due to alternative splicing of polyprenyltransferase COQ-2.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Ancient origins of arthropod moulting pathway components

    André Luiz de Oliveira, Andrew Calcino, Andreas Wanninger
    Evolutionary reconstruction of the ecdysis pathway shows that its major elements are present in the majority of metazoans, providing evidence that they originated much earlier than currently assumed.
    1. Evolutionary Biology

    Chloroplast acquisition without the gene transfer in kleptoplastic sea slugs, Plakobranchus ocellatus

    Taro Maeda, Shunichi Takahashi ... Shuji Shigenobu
    The newly opened genome of a kleptoplastic mollusk, Plakobranchus ocellatus, indicated that sequestered plastids retain their activity within the animal cell without horizontal algal gene transfer to the animal nucleus.
    1. Ecology

    Global gradients in intertidal species richness and functional groups

    Jakob Thyrring, Lloyd S Peck
    No discernible latitudinal diversity gradient in rocky intertidal α-diversity as local-scale physical and biological processes outweigh global-scale environmental gradients.
    1. Developmental Biology
    2. Neuroscience
    Pond snail illustration

    The Natural History of Model Organisms: The unlimited potential of the great pond snail, Lymnaea stagnalis

    István Fodor, Ahmed AA Hussein ... Zsolt Pirger
    The great pond snail is a multipurpose model organism and a contemporary choice for addressing a wide range of biological questions, problems and phenomena in the laboratory and the field.
    1. Genetics and Genomics
    2. Neuroscience

    Co-expression of xenopsin and rhabdomeric opsin in photoreceptors bearing microvilli and cilia

    Oliver Vöcking, Ioannis Kourtesis ... Harald Hausen
    The recently characterized opsin group of xenopsins is likely a major player in animal eye evolution and may have been present in an ancient, highly plastic eye photoreceptor cell type.
    1. Neuroscience

    Luqin-like RYamide peptides regulate food-evoked responses in C. elegans

    Hayao Ohno, Morikatsu Yoshida ... Yuichi Iino
    Identification and functional characterization of C. elegans luqin-like arginine-tyrosine-NH2 (RYamide) peptides reveal their critical role in feeding-related processes.

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