133 results found
    1. Microbiology and Infectious Disease

    Unprecedented genomic diversity of RNA viruses in arthropods reveals the ancestry of negative-sense RNA viruses

    Ci-Xiu Li et al.
    Extensive genetic diversity and novel genome structures in RNA viruses from arthropods shed important new light on the ancestry and evolutionary history of major classes of vertebrate and plant viruses.
    1. Microbiology and Infectious Disease

    Phylogeny: Are arthropods at the heart of virus evolution?

    Gytis Dudas, Darren J Obbard
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    1. Evolutionary Biology

    Preservation of three-dimensional anatomy in phosphatized fossil arthropods enriches evolutionary inference

    Achim H Schwermann et al.
    X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.
    1. Evolutionary Biology
    2. Genetics and Genomics

    Ancient origins of arthropod moulting pathway components

    André Luiz de Oliveira et al.
    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. Genetics and Genomics
    2. Plant Biology

    A gene horizontally transferred from bacteria protects arthropods from host plant cyanide poisoning

    Nicky Wybouw et al.
    The enzyme that allows some mites and insects to detoxify the hydrogen cyanide produced by plants has been identified.
    1. Developmental Biology

    Multi-view light-sheet imaging and tracking with the MaMuT software reveals the cell lineage of a direct developing arthropod limb

    Carsten Wolff et al.
    Quantitative analyses of multi-dimensional microscopy datasets with a new Fiji/ImageJ plugin for cell tracking reveal the lineage restrictions and morphogenetic cellular behaviors underlying embryonic limb outgrowth in the direct developing crustacean Parhyale hawaiensis.
    1. Developmental Biology
    2. Evolutionary Biology

    Limb Development: A lesson in homology

    Nikola-Michael Prpic
    The same genes and signaling pathways control the formation of limbs in vertebrates, arthropods and cuttlefish.
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    1. Developmental Biology
    2. Evolutionary Biology

    Evolution of limb development in cephalopod mollusks

    Oscar A Tarazona et al.
    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. Developmental Biology
    2. Evolutionary Biology

    A SoxB gene acts as an anterior gap gene and regulates posterior segment addition in a spider

    Christian Louis Bonatto Paese et al.
    Sox21b-1 regulates simultaneous formation of anterior segments and addition of posterior segments in a spider, which resembles segmentation in long- and short-germ insects, and suggests SoxB regulation of segmentation is an ancestral feature of arthropods.
    1. Developmental Biology
    2. Evolutionary Biology

    Evolution of Segmentation: Sox enters the picture

    Felix Kaufholz, Natascha Turetzek
    The discovery of a gene that regulates two segmentation mechanisms in spider embryos is fueling the ongoing debate about the evolution of this crucial developmental process.
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