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31 results for “PISTILLATA”
Data from: Feeding increases the number of offspring but decreases parental investment of Red Sea coral Stylophora pistillata
<p>1. Successful reproductive output and recruitment is crucial to coral persistence and recovery following anthropogenic stress. Feeding is known to alter coral physiology and increase resilience to bleaching. 2. The goal of the study was to address the knowledge gap of the influence of feeding on reproductive output and offspring phenotype. 3. Colonies of <em>Stylophora pistillata</em> from the Northern Gulf of Aqaba (Red Sea) were fed an Artemia diet or unfed for five months during gametogenesis, fertilisation, and brooding. In addition, time to settlement and mortality of planulae were assessed at water temperatures ranging from winter temperature (22°C) to three degrees above average peak summer temperature (31°C). A range of physiological parameters were measured in parents and offspring. 4. In brooding parents, feeding significantly increased protein concentration and more than tripled the number of released planulae. Planulae from unfed colonies had higher chlorophyll per symbiont concentration and concomitantly higher photosynthetic efficiency compared to planulae from fed parents. In settlement assays, planulae showed a similar thermal resistance as known for this Red Sea adult population. Mortality was greater in planulae from unfed parents at ambient and 3°C above ambient temperature despite higher per offspring investment in terms of total fatty acid content. Fatty acid profiles and relative abundances were generally conserved between different fed and unfed colonies but planulae were enriched in monounsaturated fatty acids relative to adults, i.e., 16:1, 18:1, 20:1, 22:1, and 24:1 isomers. 5. Ultimately the availability of zooplankton could influence population physiology and recruitment in corals.</p>
Data from: Feeding increases the number of offspring but decreases parental investment of Red Sea coral Stylophora pistillata
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FIGURE 7. Stylophora pistillata, a in Some scleractinian corals (Scleractinia: Anthozoa) of Larak Island, Persian Gulf
FIGURE 7. Stylophora pistillata, a, exoskeleton; b–c, close up of corallites; d–e, underwater photographs of different forms of colonies; f, underwater photograph of polyps.
No short-term effect of sinking microplastics on heterotrophy or sediment clearing in the tropical coral Stylophora pistillata
<p>Investigations of encounters between corals and microplastics have, to date, used particle concentrations that are several orders of magnitude above environmentally relevant levels. Here we investigate whether concentrations closer to values reported in tropical coral reefs affect sediment shedding and heterotrophy in reef-building corals. We show that single-pulse microplastic deposition elicits significantly more coral polyp retraction than comparable amounts of calcareous sediments. When deposited separately from sediments, microplastics remain longer on corals than sediments, through stronger adhesion and longer periods of examination by the coral polyps. Contamination of sediments with microplastics does not retard corals' sediment clearing rates. Rather, sediments speed-up microplastic shedding, possibly affecting its electrostatic behaviour. Heterotrophy rates are three times higher than microplastic ingestion rates when corals encounter microzooplankton (<i>Artemia salina</i> cysts) and microplastics separately. Exposed to cysts-microplastic combinations, corals feed preferentially on cysts regardless of microplastic concentration. Chronic-exposure experiments should test whether our conclusions hold true under environmental conditions typical of inshore marginal coral reefs.</p>
Morpho-functional traits of the coral Stylophora pistillata enhance light capture for photosynthesis at mesophotic depths
<p><span>The morphological architecture of photosynthetic corals modulates the light capture and functioning of the coral-algal symbiosis on shallow-water corals. Since corals can thrive on mesophotic reefs under extreme light-limited conditions, we hypothesized that microskeletal coral features enhance light capture under low-light environments. Utilizing micro-computed tomography scanning, we conducted a novel comprehensive three-dimensional (3D) assessment of small-scale skeleton morphology of the depth-generalist coral <em>Stylophora pistillata</em> collected from shallow (4-5 m) and mesophotic (45-50 m) depths. We detected a high phenotypic diversity between depths, resulting in two distinct morphotypes, with calyx diameter, theca height, and corallite marginal spacing contributing to most of the variation between depths. To determine whether such depth-specific morphotypes affect coral light capture and photosynthesis on the corallite-scale, we developed 3D simulations of light propagation and photosynthesis. We found that microstructural features of corallites from mesophotic corals provide a greater ability to use solar energy under light-limited conditions; while corals associated with shallow morphotypes avoided excess light through self-shading skeletal architectures and the results from our study suggest that skeleton morphology plays a key role in coral photoadaptation to light limited environments.</span></p>
Fourteen morphological traits of three Japanese species of Arisaema sect. Pistillata (Araceae)
<p>The <em>Arisaema serratum </em>group <em>sensu stricto </em>(Araceae) is a Japanese species complex characterized by a well-developed leaf rachis and long pseudostem. They were previously integrated into one species due to wide infraspecific variation, but were split into about 13 species again in recent monographs. In this group, <em>A. maekawae </em>and <em>A. pseudoangustatum </em>var. <em>pseudoangustatum </em>were recently divided from <em>A. angustatum </em>in the type localities (central Japan). A recent study found some sympatric populations of the three species in western Japan and distinguished them based on qualitative observation. However, there are no quantitative study to delimit the species boundaries objectively. The author collected this quantitative data set in these sympatric populations and found that principal component analysis with this data set can successfully delimit the species boundaries between the three sympatric species.</p>
Morpho-functional traits of the coral Stylophora pistillata enhance light capture for photosynthesis at mesophotic depths
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Data from: DNA barcoding reveals the coral “laboratory-rat”, Stylophora pistillata encompasses multiple identities
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No short-term effect of sinking microplastics on heterotrophy or sediment clearing in the tropical coral Stylophora pistillata
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Fourteen morphological traits of three Japanese species of Arisaema sect. Pistillata (Araceae)
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Figure 9 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 9 Spaniomolgus, females. aS.crassus (Humes & Ho, 1968), confocal photo. S.stylophorus sp. n., SEMb Habitus ventral c Rostral area d Labrum.
Figure 6 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 6 Spaniomolgusmaculatus sp. n., female. a Habitus dorsal b Urosome dorsal c Antenna d Maxilliped e Leg 4 f Genital area. Scale bars: 300 µm (a); 100 µm (b); 50 µm (c–f).
Figure 3 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 3 Spaniomolgusglobus sp. n., female. a Habitus lateral b Urosome dorsal c Antenna d Antennule e Maxillule f Maxilla g Mandible h Maxilliped. Scale bars: 300 µm (a); 100 µm (b); 50 µm (c–h).
Figure 2 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 2 Stylophorapistillata, coral skeletons and corallite structures (SEM). a, b Specimen SA13-12 c, d Morphotype subseriata, specimen SA13-25 e, f Morphotype danae SA13-31 g, h Morphotype mordax, specimen SA13-61. Scale bars: 20 mm (a, c, e, g); 0.5 mm (b, d, f, h).
Figure 1 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 1 a–c Sampling localities and study area in the Red Sea (Saudi Arabia). The red circles indicate sampling localities of the indicated samples of Stylophorapistillata (see Table 1).
Figure 5 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 5 Spaniomolgusdentatus sp. n., female. a Habitus dorsal b Urosome dorsal (Leg 6 arrowed) c Antenna d Maxilliped e Leg 4. Scale bars: 300 µm (a); 100 µm (b); 50 µm (c–e).
Figure 7 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 7 Spaniomolgusacutus sp. n., female. a Habitus dorsal b Urosome dorsal c Antenna d Maxilliped e Leg 4 f Genital area. Scale bars: 300 µm (a); 100 µm (b); 50 µm (c–f).
Figure 8 from: Conradi M, Bandera E, Mudrova SV, Ivanenko VN (2018) Five new coexisting species of copepod crustaceans of the genus Spaniomolgus (Poecilostomatoida: Rhynchomolgidae), symbionts of the stony coral Stylophora pistillata (Scleractinia). ZooKeys 791: 71-95. https://doi.org/10.3897/zookeys.791.28775
Figure 8 Spaniomolgusstylophorus sp. n., female. a Habitus dorsal b Urosome dorsal c Antenna d Maxilliped e Leg 4. Scale bars: 300 µm (a); 100 µm (b); 50 µm(c–e).
Molecular basis for the specification of floral organs by APETALA3 and PISTILLATA
GEO Series GSE38363. Arabidopsis thaliana. 39 samples. Type: Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by array.
Gene expression profile of ‘heat stress’ in the Red Sea coral Stylophora pistillata
GEO Series GSE47779. Stylophora pistillata. 14 samples. Type: Expression profiling by array.
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