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21 results for “Nucella”
Figures 4-13 in Nucella demouthae, A New Species of Late Miocene Muricid Gastropod From Northern California, U.S.A.
Figures 4-13. Nucella demouthae Powell, Roth, and Garcia n. sp., paratypes. Mature specimens: 4, 5. CASG 78594, height 43.6 mm, width 24.5 mm (incomplete specimen). 4. Adapertural view, 5. Apertural view. 6, 7. CASG 78595, height 36.0 mm, width 25.2 mm. Immature specimens: 6. Adapertural view, 7. Apertural view. 8. 9. CASG 78596, height 32.1 mm, width 18.9 mm. 8. Adapertural view, 9. Apertural view. 10, 11. CASG 78597, height 29.8 mm, 17.5 mm. CASG 78598, 19.2 mm, width 11.8 mm. 10. Adapertural view, 11, Apertural view. 12, 13. CASG 78599, height 13.1 mm, width 8.8 mm. 12. Adapertural view, 13. Apertural view. Note that immature specimens do not have a flared lip.
Genome annotation file for a draft genome assembly for Nucella lapillus
<p><span>A male specimen of wild <em>Nucella lapillus</em>, measuring approximately 1.5–3 cm in length, was collected <span>from a rocky shore (mid-upper shore) at low tide from near the quay at <span>Portnahaven, Isle of Islay, Argyll and Bute, Scotland (National Grid Reference NR 16614 51966)</span> on <span>26th June 2023. Genomic DNA was extracted from the non-shell tissue of the specimen, and sequenced using PacBio HIFI and Oxford Nanopore technolgies (ONT) long read sequencing platforms. </span></span>The genome assembly was derived from 40.6 Gb of PacBio HiFi reads (read <span>N50, 11291; N90, 9246</span>), and 61.1 Gb of ONT data (read <span>N50, </span>3643<span>; N90, </span>1546). </span>Annotation of protein-coding genes in the cleaned and masked genome assembly of <em>Nucella lapillus</em> was performed using GALBA v1.0.11, an automated pipeline that uses proteins from a closely related species to assist in the training of gene prediction using AUGUSTUS. Proteins from <em>Rapana venosa</em> were provided for this purpose, and the miniprot option was used to perform the protein-to-genome alignments. Functional annotation of predicted protein-coding genes was performed using eggNOG-mapper v2.1.12, and additionally annotated with best hit BLAST results (v2.16.0) against the proteomes of the following marine gastropod species: <em>Rapana venosa</em>, <em>Littorina. saxatilis</em>, <em>Pomocea canaliculata, Stramonita haemastoma</em> and <em>Haliotis rufescens</em>.</p>
Figure 2-3 in Nucella demouthae, A New Species of Late Miocene Muricid Gastropod From Northern California, U.S.A.
Figure 2-3. Nucella demouthae Powell, Roth, and Garcia n. sp. CASG holotype 73156. CASG locality 54136. Bloomfield Quarry, north of Bloomfield, Sonoma County, CA. Height 33.5 mm, width 19.2 mm. 2. Adapertural view, 3. Apertural view.
Figure 14 in Nucella demouthae, A New Species of Late Miocene Muricid Gastropod From Northern California, U.S.A.
Figure 14. Stratigraphic ranges of northeastern Pacific Nucella spp., fossil and modern. See text for references for age range of each species.
Figure 1 in Nucella demouthae, A New Species of Late Miocene Muricid Gastropod From Northern California, U.S.A.
Figure 1. Index map (A) and stratigraphic column (B) showing the geology of Bloomfield Quarry, Sonoma County, California. California Academy of Sciences, Geology (CASG) fossil localities 54135, 54136, and 57867 are shown. Mrt, informally named Roblar tuff of Sarna-Wojcicki (1992); Ma, megaannum or millions of years ago. After Powell et al. (2019), courtesy of James Allen
Nucella lapillus
<p>A dataset recording the physiological response of common dog whelk <em>Nucella lapillus</em> in response to varying environmental parameters.</p>
Data from: Transcriptomics and in vivo tests reveal novel mechanisms underlying endocrine disruption in an ecological sentinel, Nucella lapillus
Anthropogenic endocrine disruptors now contaminate all environments globally, with concomitant deleterious effects across diverse taxa. While most studies on endocrine disruption (ED) have focused on vertebrates, the superimposition of male sexual characteristics in the female dogwhelk, Nucella lapillus (imposex), caused by organotins, provides one of the most clearcut ecological examples of anthropogenically induced ED in aquatic ecosystems. To identify the underpinning mechanisms of imposex for this 'nonmodel' species, we combined Roche 454 pyrosequencing with custom oligoarray fabrication inexpensively to both generate gene models and identify those responding to chronic tributyltin (TBT) treatment. The results supported the involvement of steroid, neuroendocrine peptide hormone dysfunction and retinoid mechanisms, but suggested additionally the involvement of putative peroxisome proliferator–activated receptor (PPAR) pathways. Application of rosiglitazone, a well-known vertebrate PPARγ ligand, to dogwhelks induced imposex in the absence of TBT. Thus, while TBT-induced imposex is linked to the induction of many genes and has a complex phenotype, it is likely also to be driven by PPAR-responsive pathways, hitherto not described in invertebrates. Our findings provide further evidence for a common signalling pathway between invertebrate and vertebrate species that has previously been overlooked in the study of endocrine disruption.
On following pages: 272. SulawesiYellow Bat (Scotophilus celebensis); 273. Nut-colored Yellow Bat (Scotophilus nux); 274. Malagasy Yellow Bat (Scotophilus tandrefana); 275. Marovaza Yellow Bat (Scotophilus marovaza); 276. White-bellied Yellow Bat (Scotophilus leucogaster); 277. East African Yellow Bat (Scotophilus altilis); 278. Robust Yellow Bat (Scotophilus robustus); 279. LesserYellow Bat (Scotophilus borbonicus); 280. Eastern Greenish Yellow Bat (Scotophilus viridis); 281. Ejeta's Yellow Bat (Scotophilus ejetal); 282. Schreber's Yellow Bat (Scotophilus nigrita); 283. Robbins's Yellow Bat (Scotophilus nucella); 284. Andrew Rebori's Yellow Bat (Scotophilus andrewreboril); 285. Western Greenish Yellow Bat (Scotophilus nigritellus); 286. Livingstone's Yellow Bat (Scotophilus livingstonii); 287. Trujillo's Yellow Bat (Scotophilus trujillo); 288. African Yellow Bat (Scotophilus dinganii); 289. Eritrean Yellow Bat (Scotophilus colias); 290. North American Evening Bat (Nycticeius humeralis); 291. Cuban Evening Bat (Nycticeius cubanus); 292. Temminck''s Mysterious Bat (Nycticeius aenobarbus). in Vespertilionidae
On following pages: 272. SulawesiYellow Bat (Scotophilus celebensis); 273. Nut-colored Yellow Bat (Scotophilus nux); 274. Malagasy Yellow Bat (Scotophilus tandrefana); 275. Marovaza Yellow Bat (Scotophilus marovaza); 276. White-bellied Yellow Bat (Scotophilus leucogaster); 277. East African Yellow Bat (Scotophilus altilis); 278. Robust Yellow Bat (Scotophilus robustus); 279. LesserYellow Bat (Scotophilus borbonicus); 280. Eastern Greenish Yellow Bat (Scotophilus viridis); 281. Ejeta's Yellow Bat (Scotophilus ejetal); 282. Schreber's Yellow Bat (Scotophilus nigrita); 283. Robbins's Yellow Bat (Scotophilus nucella); 284. Andrew Rebori's Yellow Bat (Scotophilus andrewreboril); 285. Western Greenish Yellow Bat (Scotophilus nigritellus); 286. Livingstone's Yellow Bat (Scotophilus livingstonii); 287. Trujillo's Yellow Bat (Scotophilus trujillo); 288. African Yellow Bat (Scotophilus dinganii); 289. Eritrean Yellow Bat (Scotophilus colias); 290. North American Evening Bat (Nycticeius humeralis); 291. Cuban Evening Bat (Nycticeius cubanus); 292. Temminck''s Mysterious Bat (Nycticeius aenobarbus).
Figure 7 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 7. The numbers of Eulalia viridis recorded from the eastern side of the Mewsbrook Groyne (and the western side in September 2010) on the occasions when they were observed to be moving over the rock surfaces.
Figure 6 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 6. An experimentally derived plot of the relationship between Carcinus maenas carapace widths and the shell lengths of their chosen Mytilus galloprovincialis prey items attacked by marginal chipping. Open circles represent failed attempts; closed circles represent successful attacks.
Figure 8. A in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 8. A diagrammatic outline of the shell of Mytilus galloprovincialis divided into the four quadrants identified by Morton (2010) and showing the positions of the 17 series of chip marks (♦) and 18 drill holes (open circles represent successful attacks; closed circles represent failed attempts) made by experimentally held individuals of Carcinus maenas and Nucella lapillus, respectively.
Figure 5 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 5. Scanning electrom micrographs of the posterior margins of Mytilus galloprovincialis shells that have been accessed by Carcinus maenas in an experimental situation by (A) Chelal insertion and breaking and by (B) mandibular chipping.
Figure 4 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 4. An experimentally derived three-dimensional regression plot of the relationship between Nucella lapillus shell height (y-axis), the shell lengths of their chosen Mytilus galloprovincialis prey (z-axis) and the time spent atop each prey item (x-axis).
Figure 3 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 3. The relationship between the time Nucella lapillus spent atop its Mytilus galloprovincialis prey in laboratory experiments.
Figure 9 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 9. The relationship between the log-transformed numbers of Nucella lapillus recorded from the eastern side of the Mewsbrook Groyne (and the western side in September 2010) and the similarly log-transformed numbers of Eulalia viridis recorded on the occasions when they were observed to be moving over the rock surfaces
Figure 10 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 10. Plots showing, as a proportion of 100%, all the causes of death of individuals of Mytilus galloprovincialis collected from the Mewsbrook Groyne over the course of the 25-month period from September 2006 until September 2008.
Figure 1 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 1. The numbers of Nucella lapillus recorded from the Mewsbrook Groyne over the period from May 2004 to late August 2010. The first and last three open histograms represent counts from both sides of the groyne in May 2004 (25 individuals) and September 2009 (551 individuals), March 2010 (458 individuals) and late August 2010 (1241 individuals), the closed histograms represent numbers from the east side only.
Figure 2 in Predator-prey-scavenging interactions between Nucella lapillus, Carcinus maenas and Eulalia viridis all exploiting Mytilus galloprovincialis on a rocky shore recovering from tributyl-tin (TBT) pollution
Figure 2. The relationship between the shell heights of Nucella lapillus and the shell lengths of its Mytilus galloprovincialis prey on the Mewsbrook Groyne from May 2004 to August 2008.
Data from: Phylogenomic analyses reveal latitudinal population structure and polymorphisms in heat stress genes in the North Atlantic snail Nucella lapillus
Open the record for dataset details and reuse information.
Data from: Transcriptomics and in vivo tests reveal novel mechanisms underlying endocrine disruption in an ecological sentinel, Nucella lapillus
Open the record for dataset details and reuse information.
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