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2,620 results for “Molecular Phylogeny”
Fig. 2 in Molecular Phylogeny of Coprophanaeus (Megaphanaeus) d'Olsoufieff, 1924 (Coleoptera: Scarabaeidae: Scarabaeinae) and the position of C. bellicosus
Fig. 2. Distribution map of examined specimens of Megaphanaeus species. White bordered symbols represent localities from where fresh specimens were collected for DNA extractions.
Fig. 1 in Molecular Phylogeny of Coprophanaeus (Megaphanaeus) d'Olsoufieff, 1924 (Coleoptera: Scarabaeidae: Scarabaeinae) and the position of C. bellicosus
Fig. 1. Frontal view of Megaphanaeus species: A) ♂ Coprophanaeus lancifer (Juína, MT), B) ♂ Coprophanaeus ensifer (Cláudia, MT), C) ♂ Coprophanaeus bonariensis (Chapada dos Guimarães, MT) and D) ♂ Coprophanaeus bellicosus (Morretes, PR). Scale: 1 cm.
FIGURE 10 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 10. Austinixa felipensis; male, cw 12.3 mm (ULLZ 5556); from San Felipe, Baja California, Mexico. A, carapace, chelipeds, and right ambulatory appendages, dorsal; B, carapace frontal region, from anterior; C. third maxilliped, external; D, right chela, internal; E, right cheliped, external; F, left cheliped internal; G, left cheliped external; H, right pereopod 2, dorsal; I, right pereopod 3, dorsal; J, right pereopod 4, dorsal; K, right pereopod 5, dorsal. Scale bars = 2.0 mm.
FIGURE 12 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 12. Austinixa artankeri sp. nov.; A, male, cw 8.9 mm, Panama Caribbean (UF 18950, photograph from A. Anker); B, ovigerous female, cw 6.8 mm, Panama Caribbean (ULLZ 13336); C, female, Panama Caribbean (ULLZ 13334). Austinixa roblesi sp. nov.; D, male, cw 9.2 mm, Belize (ULLZ 12114); E, ovigerous female, cw 7.8 mm, Panama Caribbean (ULLZ 13335); F, ovigerous female, cw 11.1 mm, Belize (ULLZ 12114). Austinixa cuestai sp. nov.; G, male, cw 7.7 mm, Panama Pacific (USNM1552956); H, male, cw 11.1 mm, Panama Pacific (USNM 1552956); I, female, cw 8.5 mm, Panama Pacific (USNM 1552957); J, ovigerous female, cw 10.7 mm, Panama Pacific (USNM 1552958) (photographs from J. Scioli).
FIGURE 8 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 8. Austinixa roblesi sp. nov.; A, B, D–G, male paratype, cw 9.0 mm (USNM 1558340); C, H, I, male holotype, cw 9.9 mm (USNM 1558341); both from Dangriga, Belize. A, carapace, chelipeds, and right ambulatory appendages, dorsal; B, carapace frontal region, from anterior; C. third maxilliped, external; D, right chela, internal, setae not shown; E, right pereopod 4, dorsal; F, right pereopod 5, dorsal; G, male pleon; H, left first gonopod tip, pleonal surface; I left first gonopod tip, sternal surface. Scale bars = 1.0 mm.
FIGURE 4 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 4. Austinixa artankeri sp. nov.; male holotype, cw 7.6 mm (USNM 1558334), Bocas del Toro, Caribbean coast of Panama. A, carapace and right appendages, dorsal; B, carapace frontal region, from anterior; C, left third maxilliped, external; D, right chela, internal; E, right pereopod 2, dorsal; F, right pereopod 3, dorsal; G, right pereopod 4, dorsal; H, right pereopod 4 setae not shown, dorsal; I, right pereopod 4, ventral; J. right pereopod 5, dorsal. Scale bars = 1.0 mm.
FIGURE 7 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 7. Austinixa cuestai sp. nov.; A–C, male paratype, cw 8.3 mm (ULLZ 5566); D–F ovigerous female paratype, cw 8.3 mm (ULLZ 5566); both from Nagualapa, Pacific coast of Nicaragua. A, male pleon; B, left first gonopod, sternal surface; C, left first gonopod tip, pleonal surface; D, right cheliped, internal; E, right cheliped, external; F, female pleon. Scale bars = 1.0 mm (A, B, D–F), 0.5 mm (C).
FIGURE 11 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 11. Austinixa felipensis; A–C, male, cw 12.3 mm (ULLZ 5556); D–F, female cw 10.6 mm, both from San Felipe, Baja California, Mexico. A, male pleon; B, right first gonopod, sternal surface; C, right first gonopod tip, pleonal surface; D, left chela, external; E, left chela, internal. Scale bars = 1.0 mm (A, B, D–F), 0.5 mm (C).
FIGURE 9 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 9. Austinixa roblesi sp. nov.; A–D, ovigerous female paratype, cw 9.8 mm (USNM 1558340); E, ovigerous female paratype, cw 9.4 mm (ULLZ 12115); F, female paratype, cw 6.6 mm (ULLZ 13143); all from Dangriga, Belize. A, carapace, dorsal; B, enlarged right side of carapace, dorsal; C, carapace frontal region, from anterior; D, right chela, internal; E, left chela, dorsal, F, female pleon. Scale bars = 1.5 mm (A), 1.0 mm (B–F).
FIGURE 5 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 5. Austinixa artankeri sp. nov.; A, male paratype, cw 7.3 mm (UF 18916); B, male paratype, cw 8.5 mm (ULLZ 13732); C, D, male paratype, cw 6.2 mm (ULLZ 13731); E, ovigerous female paratype, cw 8.5 mm (UF 18928); F, female paratype, cw 8.8 mm (UF 18950); G, ovigerous female paratype, cw 9.0 mm (USNM 1558331); H, ovigerous female paratype, cw 5.8 mm (ULLZ 13644), all from Bocas del Toro, Caribbean coast of Panama. A, right chela, internal, setae not shown; B, male pleon; C, D, left first gonopod, pleonal surface, entire and enlarged tip; E, right chela, internal, setae not shown; left chela, internal, setae not shown. Scale bars = 1.0 mm (A, B, E–H), 0.5 mm (C), 0.25 mm (D).
FIGURE 3 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 3. Distribution of the species of Austinixa Heard & Manning, 1997. In most cases, latitudinal ranges are shown. For A. cristata, the latitudinal range shown corresponds to the distribution on the Atlantic coast only. Specific locations are shown for records of A. cristata in the Gulf of Mexico, as well as for A. bragantina and three undescribed species (symbols as shown in legend). Only A. bragantina and A. leptodactyla were not included in the present phylogenetic analyses.
FIGURE 2 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 2. Phylogeny of Pinnotheroidea, with emphasis on Austinixa Heard & Manning, 1997, inferred from Maximum Likelihood analysis of concatenated 1415 bp sequence of mitochondrial 16S/tRNA-Leu/NADH1 complex (705 bp), the mitochondrial 12S rRNA gene (293 bp) and nuclear histone 3 subunit (328 bp). Maximum Likelihood (ML) bootstrap, Bayesian (BAY) posterior probabilities and maximum parsimony (MP) bootstrap values are shown, in order ML/BAY/MP. "–" indicates a value lower than 50%. When all three values are the same, only one number is shown. If values are lower than 50% for all three, no number is shown. Letters and collection accession numbers follow the species name, to distinguish geographic origin and samples (see Material and methods for abbreviations). Modified from Palacios Theil et al. (2016) and generic assignments of some species of Pinnixa updated according to Palacios Theil & Felder (2020)
FIGURE 1 in Phylogeny of the genus Austinixa Heard & Manning, 1997, inferred from mitochondrial and nuclear molecular markers, with descriptions of three new species and redescription of Austinixa felipensis (Glassell, 1935) (Decapoda: Brachyura: Pinnotheridae)
FIGURE 1. Consensus tree for Austinixa Heard & Manning, 1997, inferred from Maximum Likelihood analysis of 821 bp sequence of mitochondrial 16S/tRNA-Leu/NADH1 gene complex. Bootstrap values higher than 50% indicated at internal nodes. Letters and collection accession numbers follow the species name, to distinguish geographic origin and samples (see Material and methods for abbreviations).
FIGURE 9 in Molecular phylogeny and morphological revision of Myotis bats (Chiroptera: Vespertilionidae) from Taiwan and adjacent China
FIGURE 9. Skulls of (a) M. soror sp. n. (HNHM 2003.36.20, holotype), (b) Myotis frater from Fujian, China (AMNH 48029, holotype), and (c) M. frater from Taiwan (HNHM 2004.19.3). Scale= 5 mm.
FIGURE 1 in Molecular data provide new insights into the phylogeny of Cladonotinae (Orthoptera: Tetrigoidea) from China with the description of a new genus and species
FIGURE 1. BI tree of Tetrigoidea based on the dataset of the combined sequences of the COI, 16S rRNA and 18S rRNA genes. Values at nodes indicate BI posterior probabilities from the analyses of the combined genes.
FIGURE 4 in A revised molecular phylogeny reveals polyphyly in Schistura (Teleostei: Cypriniformes: Nemacheilidae)
FIGURE 4. Species of Schistura included in the phylogenetic analysis; all are from Thailand. Clade 1: (A) S. desmotes, UF 188065, 38.9 mm SL, Ping River, Chiang Mai Province; (B) S. robertsi, UF 185741, 50.8 mm SL, Tapee River, Nakhon Si Thammarat Province. Clade 2: (C) S. mahnerti, UF 188061, 71.9 mm SL, stream, Mae Khlong basin, Kanchanaburi Province; (D) S. geisleri, UF 191830, 28.0 mm SL, Wae Creek, Yan River basin, Surat Thani Province. Clade 3: (E) S. aurantiaca, UF 188063, 39.9 mm SL, Pracham Mai River, Kanchanaburi Province; (F) S. balteata, UF 191473, 52.0 mm SL, Pilok River, Kanchanaburi Province. Photographs by Zachary Randall and Jarred Randall.
FIGURE 2 in A revised molecular phylogeny reveals polyphyly in Schistura (Teleostei: Cypriniformes: Nemacheilidae)
FIGURE 2. Phylogenetic estimate of relationships within the family Nemacheilidae generated with a 50% majority-rule consensus for the cytochrome b gene using MrBayes.
FIGURE 1 in A revised molecular phylogeny reveals polyphyly in Schistura (Teleostei: Cypriniformes: Nemacheilidae)
FIGURE 1. Bayesian consensus phylogeny depicting genus- and species-level relationships within the family Nemacheilidae. This tree was derived from a combined analysis of cytochrome b and D-loop gene fragments (1,116 bp and 776 bp, respectively).
FIGURE 3 in A revised molecular phylogeny reveals polyphyly in Schistura (Teleostei: Cypriniformes: Nemacheilidae)
FIGURE 3. Phylogenetic estimate of relationships within the family Nemacheilidae generated with a 50% majority-rule consensus for the D-loop gene using MrBayes.
A molecular phylogeny of historical and contemporary specimens of an under-studied micro-invertebrate group
<p>Resolution of relationships at lower taxonomic levels is crucial for answering many evolutionary questions, and as such, sufficiently varied species representation is vital. This latter goal is not always achievable with relatively fresh samples. To alleviate the difficulties in procuring rarer taxa, we have seen increasing utilization of historical specimens in building molecular phylogenies using high throughput sequencing. This effort, however, has mainly focused on large-bodied or well-studied groups, with small-bodied and under-studied taxa under-prioritized. Here, we utilize both historical and contemporary specimens, to increase the resolution of phylogenetic relationships among a group of under-studied and small-bodied metazoans, namely, cheilostome bryozoans. In this study, we pioneer sequencing of air-dried cheilostomes, utilizing a recent library preparation method for low DNA input. We evaluate a <i>de novo</i> mitogenome assembly and two iterative methods, using the sequenced target specimen as a reference for mapping, for our sequences. In doing so, we present mitochondrial and ribosomal RNA sequences of 43 cheilostomes representing 37 species, including 14 from historical samples ranging from 50 to 149 years old. The inferred phylogenetic relationships of these samples, analyzed together with publicly available sequence data, are shown in a statistically well-supported 65 taxa and 17 genes cheilostome tree, which is also the most broadly sampled and largest to date. The robust phylogenetic placement of historical samples whose contemporary conspecifics and or congenerics have been sequenced verify the appropriateness of our workflow and give confidence in the phylogenetic placement of those historical samples for which there are no close relatives sequenced. The success of our workflow is highlighted by the circularization of a total of 27 mitogenomes, seven from historical cheilostome samples. Our study highlights the potential of utilizing DNA from micro-invertebrate specimens stored in natural history collections for resolving phylogenetic relationships among species.</p>
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Allen Brain Atlas
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