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As an arachnid species, P. opilio have four pairs of legs. Three of these pairs are for movement, but the longest, second pair is antennae-shaped and primarily used as a sensory appendage to feel their surroundings.
Mar 14, 2024 · Daddy longlegs have up to two functional eyes and at least one species has four hidden, underdeveloped ones. In this fluorescent microscope image of a Phalangium opilio embryo, the two working...
but a modern staging system is critically missing for this emerging model system. Results: We present a staging system of P. opilio embryogenesis that spans the most important morphogenetic events with respect to segment formation, appendage elongation and head development.
Aug 7, 2021 · After sequencing the genome of P. opilio, researchers identified three genes that act as a map for various body parts. Two of those genes were then found to be turned on in the legs of the arachnid embryos.
Mar 4, 2022 · A promising focal species for chelicerate evo-devo is the daddy-long-legs (harvestman) Phalangium opilio, a member of the order Opiliones. Phalangium opilio, breeds prolifically and is easily accessible in many parts of the world, as well as tractable in a laboratory setting.
We assembled the first harvestman draft genome for the species Phalangium opilio, which bears elongate, prehensile appendages, made possible by numerous distal articles called tarsomeres. Here, we show that the genome of P. opilio exhibits a single Hox cluster and no evidence of WGD.
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Jan 11, 2021 · Developmental transcriptomes of the emerging model species Phalangium opilio have suggested that harvestmen do not exhibit systemic genome duplication, as evidenced by Hox gene complements (Sharma, Schwager, Extavour, & Giribet, 2012), absence of paralogy across the homeobox gene family (Leite et al., 2018), and gene expression patterns of singl...
