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6 results for “paired fins”
Data from: Epidermal microstructures on the paired fins of marine sculpins suggest new functional hypotheses supporting benthic station-holding
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Data from: Automated integration of trees and traits: a case study using paired fin loss across teleost fishes
Data synthesis required for large-scale macroevolutionary studies is challenging with the current tools available for integration. Using a classic question regarding the frequency of paired fin loss in teleost fishes as a case study, we sought to create automated methods to facilitate the integration of broad-scale trait data with a sizable species-level phylogeny. Similar to the evolutionary pattern previously described for limbs, pelvic and pectoral fin reduction and loss are thought to have occurred independently multiple times in the evolution of fishes. We developed a bioinformatics pipeline to identify the presence and absence of pectoral and pelvic fins of 12,582 species. To do this, we integrated a synthetic morphological supermatrix of phenotypic data for the pectoral and pelvic fins for teleost fishes from the Phenoscape Knowledgebase (two presence/absence characters for 3,047 taxa) with a species-level tree for teleost fishes from the Open Tree of Life project (38,419 species). The integration method detailed herein harnessed a new combined approach by utilizing data based on ontological inference, as well as phylogenetic propagation, to reduce overall data loss. Using inference enabled by ontology-based annotations, missing data were reduced from 98.0% to 85.9%, and further reduced to 34.8% by phylogenetic data propagation. These methods allowed us to extend the data to an additional 11,293 species for a total of 12,582 species with trait data. The pectoral fin appears to have been independently lost in a minimum of 19 lineages and the pelvic fin in 48. Though interpretation is limited by lack of phylogenetic resolution at the species level, it appears that following loss, both pectoral and pelvic fins were regained several (3) to many (14) times respectively. Focused investigation into putative regains of the pectoral fin, all within one clade (Anguilliformes), showed that the pectoral fin was regained at least twice following loss. Overall, this study points to specific teleost clades where strategic phylogenetic resolution and genetic investigation will be necessary to understand the pattern and frequency of pectoral fin reversals.
Figure 8. Fouldenia paired fins. Unlabelled scale bars equal 1 in Styracopterid (Actinopterygii) ontogeny and the multiple origins of post-Hangenberg deep-bodied fishes
Figure 8. Fouldenia paired fins. Unlabelled scale bars equal 1 cm. A, GSE 2143 pectoral; B, 1980.40.30 pectoral; C, 1984.67.61 pectoral; D, NMS 1984.67.61 pelvic; E, GLAHM V8327 pectoral; F, NHM P13183 pectoral; G, NHM P14564 pectoral; H, NMS 1984.67.65 pectoral; I, NHM 1984.67.65 pelvic; J, NHM P61002 pectoral; K, NMS 1984.67.64 pectoral.
Figure 2. Styracopterus paired fins. Unlabelled scale bars equal 1 in Styracopterid (Actinopterygii) ontogeny and the multiple origins of post-Hangenberg deep-bodied fishes
Figure 2. Styracopterus paired fins. Unlabelled scale bars equal 1 cm. A, GSE 8731 pectoral; B, NMS 1891.53.50 pectoral; C, NMS 1891.53.51; D, GSE 5672 pectoral; E, GSE 5664 pectoral; F, GSE 5663 pectoral; G, NHM P1663 pelvic; H, GSE 8731 pelvic; I, GSE 5663 pelvic.
Data from: Automated integration of trees and traits: a case study using paired fin loss across teleost fishes
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cis-regulatory logic of Shh expression reveals common history of unpaired and paired fins
GEO Series GSE97860. Mus musculus; Oryzias latipes. 4 samples. Type: Other.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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