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Mar 4, 2022 · One arachnid species that has emerged in the evo-devo literature as a focal taxon for comparative studies is the daddy-long-legs Phalangium opilio Linnaeus 1758 [27,28,29,30,31,32,33,34,35,36,37,38,39], a member of the order Opiliones (commonly known as “harvestmen”), and the first species of Opiliones described with the Linnean system.
Phalangium opilio, breeds prolically and is easily accessible in many parts of the world, as well as tractable in a laboratory setting. Resources for this species include developmental transcriptomes, a draft genome, and protocols for RNA interference, but a modern staging system is critically missing for this emerging model system.
Aug 4, 2021 · Gainett G, Crawford A, Klementz B, So C, Baker C, Setton E and Sharma P (2022) Eggs to long-legs: embryonic staging of the harvestman Phalangium opilio (Opiliones), an emerging model arachnid, Frontiers in Zoology, 10.1186/s12983-022-00454-z, 19:1, Online publication date: 1-Dec-2022.
- Guilherme Gainett, Vanessa L. González, Jesús A. Ballesteros, Emily V. W. Setton, Caitlin M. Baker, ...
- 2021
Mar 14, 2024 · Despite its two-eyed appearance, Phalangium opilio has six peepers. The four optical remnants shed light on the arachnids’ evolutionary history.
P. opilio serves as a model system for the study of developmental biology of arachnids, and the sole model species for the order Opiliones. Foundational work on the developmental biology of this species was established by Manfred Moritz and Dietrich Winkler in the 20th century, and resurrected by Prashant Sharma.
Aug 4, 2021 · 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....
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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...
