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Journal articles on the topic 'Distaplia'

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1

Mastrototaro, F., and R. Brunetti. "The non-indigenous ascidian Distaplia bermudensis in the Mediterranean: comparison with the native species Distaplia magnilarva and Distaplia lucillae sp. nov." Journal of the Marine Biological Association of the United Kingdom 86, no. 1 (2006): 181–85. http://dx.doi.org/10.1017/s0025315406013014.

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Three species of Distaplia from the Mediterranean are described: D. bermudensis is a species introduced from the western Atlantic Ocean, which principally differs from the native D. magnilarva in having hermaphroditic zooids. The new species D. lucillae differs from the preceding ones in the structure of its stomach wall which is regularly plicated both externally and internally. Distaplia lucillae has colonies with hermaphroditic, but only male ripe, zooids and exclusively female colonies; this is a condition closely related to D. magnilarva though different. A key to European Distaplia is pr
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2

LAGGER, CRISTIAN, and MARCOS TATIÁN. "Two new species of Distaplia (Tunicata: Ascidiacea) from the SW Atlantic, Argentina." Zootaxa 3620, no. 1 (2013): 192–200. http://dx.doi.org/10.11646/zootaxa.3620.1.10.

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The ascidian fauna from the Southwestern Atlantic(ArgentineSea) have scarcely been studied and have rarely been sampled. The existing scanty ascidian records are from specimens collected by dredging many decades ago. During samplings in the San Matias Gulf (Río Negro, Patagonia), two new Distaplia species were found. Distaplia naufragii sp. nov. was collected in the subtidal zone attached to a shipwreck, while the other species, Distaplia fortuita sp. nov. was found released by the tides in the sandy intertidal zone. These two new species differ deeply from each other in the size and morpholog
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3

Lagger, Cristian, and Marcos Tatián. "Two new species of Distaplia (Tunicata: Ascidiacea) from the SW Atlantic, Argentina." Zootaxa 3620, no. 2 (2013): 192–200. https://doi.org/10.11646/zootaxa.3620.1.10.

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4

Moreno-Dávila, Betzabé, Leonardo Huato-Soberanis, Jaime Gómez-Gutiérrez, et al. "Taxonomic identity of Distaplia stylifera (Tunicata, Ascidiacea), a new arrival to the eastern Pacific displaying invasive behavior in the Gulf of California, Mexico." ZooKeys 1157 (April 5, 2023): 109–25. http://dx.doi.org/10.3897/zookeys.1157.95986.

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A colonial ascidian of the genus Distaplia caused a mass mortality of the pen shell Atrina maura (Sowerby, 1835) during June 2016 in the southwest of the Gulf of California (Mexico), with a significant socio-economic cost. Tentatively identified in previous works as Distaplia cf. stylifera, a precise taxonomic determination was still lacking. In the present work, based on a detailed morphological study, it is confirmed that this aggressive species is Distaplia stylifera (Kowalevsky, 1874). Originally described from the Red Sea, the species currently has a wide circumtropical distribution (with
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5

Moreno-Dávila, Betzabé, Leonardo Huato-Soberanis, Jaime Gómez-Gutiérrez, et al. "Taxonomic identity of Distaplia stylifera (Tunicata, Ascidiacea), a new arrival to the eastern Pacific displaying invasive behavior in the Gulf of California, Mexico." ZooKeys 1157 (April 5, 2023): 109–25. https://doi.org/10.3897/zookeys.1157.95986.

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A colonial ascidian of the genus Distaplia caused a mass mortality of the pen shell Atrina maura (Sowerby, 1835) during June 2016 in the southwest of the Gulf of California (Mexico), with a significant socio-economic cost. Tentatively identified in previous works as Distaplia cf. stylifera, a precise taxonomic determination was still lacking. In the present work, based on a detailed morphological study, it is confirmed that this aggressive species is Distaplia stylifera (Kowalevsky, 1874). Originally described from the Red Sea, the species currently has a wide circumtropical distribution (with
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6

Rocha, Rosana Moreira, Edlin Guerra-Castro, Carlos Lira, et al. "Inventory of ascidians (Tunicata, Ascidiacea) from the National Park La Restinga, Isla Margarita, Venezuela." Biota Neotropica 10, no. 1 (2010): 209–18. http://dx.doi.org/10.1590/s1676-06032010000100021.

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Although ascidians form a conspicuous part of sessile assemblages in the Caribbean, no specialized inventories have been developed in Venezuela, except for a list of 15 species reported from Margarita Island (1984). Here we present the results of a taxonomic workshop held in the Universidad de Oriente, Boca del Rio, Margarita Island during April 20-25 of 2009, sponsored by the NaGISA-Caribbean Sea program. La Restinga National park was surveyed and we found 29 species belonging to 19 genera and 10 families. The most abundant colonial species were Clavelina oblonga, Aplidium accarense, Polyclin
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7

SANAMYAN, KAREN, and NADYA SANAMYAN. "Shallow-water Ascidians from Matua Island (central Kuril Islands, NW Pacific)." Zootaxa 4232, no. 3 (2017): 301. http://dx.doi.org/10.11646/zootaxa.4232.3.1.

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Fifteen species of ascidians were identified in the material collected at Matua Island. Two species are new, Botryllus flavus n. sp. and Distaplia matua n. sp. The first species occurs also at Kamchatka waters, while the second is probably an endemic of Kuril Islands. The genus Macrenteron Redikorzev, 1927 is synonymized with Aplidium Savigny, 1816 and a new name Aplidium macrenteron nom. nov. is proposed for its type species.
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8

Qureshi, Asfia, and D. John Faulkner. "3,6-Dibromoindole, A New Indole From the Palauan Ascidian Distaplia Regina." Natural Product Letters 13, no. 1 (1999): 59–62. http://dx.doi.org/10.1080/10575639908048492.

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9

SANAMYAN, KAREN, DIRK SCHORIES, and NADYA SANAMYAN. "New records of aplousobranch ascidians from Central Chile." Zootaxa 2537, no. 1 (2010): 58. http://dx.doi.org/10.11646/zootaxa.2537.1.5.

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Seven shallow-water colonial ascidians of the order Aplousobranchia, including three new species, are identified in the material collected by SCUBA divers off the coast of Central Chile. Three species including Aplidium falclandicum, A. fuegiense and Didemnum studeri were known previously from Subantarctic and South Chile. The range of one species, Distaplia arnbackae n. sp., extends to south to Guaitecas Islands, and the rest three species (Aplidium peruvianum, Aplidiopsis chilensis n. sp. and Eudistoma clivosum n. sp.) are not known from more southern localities and may represent a northern
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10

LAMBERT, GRETCHEN, SERINA SIEW-CHEN LEE, and SERENA LAY-MING TEO. "Ascidians collected during the 2013 Singapore Strait International Marine Biodiversity Workshop." Zootaxa 4933, no. 1 (2021): 1–38. http://dx.doi.org/10.11646/zootaxa.4933.1.1.

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During the 2013 Singapore Strait International Marine Biodiversity Workshop, hundreds of ascidians were collected along with numerous other marine phyla. Collections were made intertidally as well as subtidally by snorkel, SCUBA, trawling and dredging. While many ascidian specimens remain unidentified, 14 aplousobranchs, nine phlebobranchs and 17 stolidobranchs have been identified; a surprising 50% of these comprise 20 new records for Singapore. An additional new record of the phlebobranch Perophora namei collected from the same area in 2014 and 2015 is included here. Of the 21 new records, A
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11

Rocha, Rosana M. da, and Luciana V. G. Costa. "Ascidians (Urochordata: Ascidiacea) from Arraial do Cabo, Rio de Janeiro, Brazil." Iheringia. Série Zoologia 95, no. 1 (2005): 57–64. http://dx.doi.org/10.1590/s0073-47212005000100009.

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Simple and colonial ascidians were collected at different depths at Arraial do Cabo, Rio de Janeiro, between 2000 and 2003. The collection here presented includes representatives of the families Clavelinidae (Clavelina oblonga), Polycitoridae (Cystodytes dellechiajei), Polyclinidae (Polyclinum constellatum and Polyclinum molle sp. nov.), Holozoidae (Distaplia bermudensis), Ascidiidae (Ascidia sydneiensis and Phallusia nigra), Styelidae (Botrylloides giganteum, Botrylloides nigrum, Symplegma brakenhielmi, Symplegma rubra, Polyandrocarpa anguinea, Eusynstyela floridana, Eusynstyela tincta and St
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12

Cavey, Michael J., and Richard L. Wood. "Intercellular junctions in the larval epidermis of the colonial ascidian Distaplia occidentalis: a thin-section and freeze-fracture examination." Canadian Journal of Zoology 64, no. 1 (1986): 112–17. http://dx.doi.org/10.1139/z86-018.

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The larval epidermis of the colonial ascidian Distaplia occidentalis is a unilayered epithelium consisting of squamous and cuboidal or low columnar cells. The epidermal cells are laterally folded and interdigitated or overlapped. The occluding (tight) junctions and the close (gap) junctions that join the epidermal cells have been examined by transmission electron microscopy. In thin sections, the occluding junction is represented by focal fusions of the apposed plasmalemmata. Freeze-fracture replicas of the occluding junction show linear, anastomosing arrays of intramembranous particles on the
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13

Tatian, M., R. J. Sahade, M. E. Doucet, and G. B. Esnal. "Ascidians (Tunicata, Ascidiacea) of Potter Cove, South Shetland Islands, Antarctica." Antarctic Science 10, no. 2 (1998): 147–52. http://dx.doi.org/10.1017/s0954102098000194.

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Certain physical factors, substrate type and ice action appear to be important determinants for ascidian distribution. Three different substrate types were sampled at depths between 0–30 m by SCUBA diving: soft bottoms, hard bottoms and moraine deposits. The species found were Aplidium radiatum, Synoicum adareanum, Distaplia cylindrica, Sycozoa gaimardi, Sycozoa sigillinoides, Tylobranchion speciosum, Corella eumyota, Ascidia challengeri, Cnemidocarpa verrucosa, Styela wandeli, Dicarpa insinuosa, Pyura bouvetensis, Pyura discoveryi, Pyura obesa, Pyura setosa, Molgula enodis and Molgula peduncu
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14

McClintock, J. B., M. O. Amsler, C. D. Amsler, K. J. Southworth, C. Petrie, and B. J. Baker. "Biochemical composition, energy content and chemical antifeedant and antifoulant defenses of the colonial Antarctic ascidian Distaplia cylindrica." Marine Biology 145, no. 5 (2004): 885–94. http://dx.doi.org/10.1007/s00227-004-1388-5.

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15

McHenry, Matthew J. "Mechanisms of helical swimming: asymmetries in the morphology, movement and mechanics of larvae of the ascidian Distaplia occidentalis." Journal of Experimental Biology 204, no. 17 (2001): 2959–73. http://dx.doi.org/10.1242/jeb.204.17.2959.

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SUMMARY A great diversity of unicellular and invertebrate organisms swim along a helical path, but it is not well understood how asymmetries in the body shape or the movement of propulsive structures affect a swimmer’s ability to perform the body rotation necessary to move helically. The present study found no significant asymmetries in the body shape of ascidian larvae (Distaplia occidentalis) that could operate to rotate the body during swimming. By recording the three-dimensional movement of free-swimming larvae, it was found that the tail possessed two bends, each with constant curvature a
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16

McClintock, James B., Margaret O. Amsler, Gil Koplovitz, Charles D. Amsler, and Bill J. Baker. "Observations on an Association Between the Dexaminid Amphipod Polycheria antarctica f. acanthopoda and Its Ascidian Host Distaplia cylindrica." Journal of Crustacean Biology 29, no. 4 (2009): 605–8. http://dx.doi.org/10.1651/09-3146.1.

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17

Lambert, Gretchen, and Karen Sanamyan. "Distaplia alaskensis sp.nov. (Ascidiacea, Aplousobranchia) and other new ascidian records from south-central Alaska, with a redescription of Ascidia columbiana (Huntsman, 1912)." Canadian Journal of Zoology 79, no. 10 (2001): 1766–81. http://dx.doi.org/10.1139/z01-141.

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Alaskan ascidians are incompletely known and rarely sampled. The Smithsonian Environmental Research Center recently conducted an extensive survey of harbors and marinas for nonindigenous species at major marine traffic sites on the Kenai Peninsula and Prince William Sound in Alaska. Collections made during summer 1998 and 1999 included 12 species of ascidians, one of which is a new species of Distaplia, D. alaskensis. We consider it indigenous, though it could be cryptogenic because it was collected only from marina floats and no neighboring natural subtidal areas have ever been sampled. All t
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18

Moreno-Dávila, Betzabé, Jaime Gómez-Gutiérrez, Teresa Alcoverro, et al. "Mass mortality of pen shell Atrina maura (Bivalvia: Pinnidae) due to abrupt population increase of tunicate (Distaplia sp.) in a subtropical bay, Mexico." Estuarine, Coastal and Shelf Science 260 (October 2021): 107493. http://dx.doi.org/10.1016/j.ecss.2021.107493.

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19

Rocha, Rosana M. da, and Laura P. Kremer. "Introduced ascidians in Paranaguá Bay, Paraná, southern Brazil." Revista Brasileira de Zoologia 22, no. 4 (2005): 1170–84. http://dx.doi.org/10.1590/s0101-81752005000400052.

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Exotic (introduced) species are a growing problem in ports worldwide and comprise the most important impacts in marine ecosystems. Periodic monitoring to detect introduced species is extremely important for effective population control. Here we sampled ascidian species near the port of Paranaguá for a taxonomic study of this fauna to attempt to detect introduced species. Larval stages in ascidians are short-lived, and dispersal is restricted to small distances, and so ascidians are very good bioindicators for exotic introductions due to ship transport. Four locations were sampled within Parana
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20

Mastrototaro, F., G. D'Onghia, and A. Tursi. "Spatial and seasonal distribution of ascidians in a semi-enclosed basin of the Mediterranean Sea." Journal of the Marine Biological Association of the United Kingdom 88, no. 5 (2008): 1053–61. http://dx.doi.org/10.1017/s0025315408001392.

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A total of 25 species of ascidians were collected in the Mar Piccolo of Taranto, a semi-enclosed Mediterranean basin. Three are non-indigenous for the Mediterranean Sea: Microcosmus squamiger, Polyandrocarpa zorritensis and Distaplia bermudensis. The substrate features, season and depth affect the distribution of ascidians in the study area. Some species, such as Pyura dura and Pyura microcosmus, were found only on artificial substrates, while Ascidiella aspersa was almost exclusively recovered on natural bottoms. Seasonal variation in the ascidian distribution and abundance seems to be due ma
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21

Lambert, Gretchen, and Karen Sanamyan. "Distaplia alaskensis sp.nov. (Ascidiacea, Aplousobranchia) and other new ascidian records from south-central Alaska, with a redescription of Ascidia columbiana (Huntsman, 1912)." Canadian Journal of Zoology 79, no. 10 (2001): 1766–81. http://dx.doi.org/10.1139/cjz-79-10-1766.

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22

Rueckert, Sonja, Kevin C. Wakeman, Holger Jenke-Kodama, and Brian S. Leander. "Molecular systematics of marine gregarine apicomplexans from Pacific tunicates, with descriptions of five novel species of Lankesteria." International Journal of Systematic and Evolutionary Microbiology 65, Pt_8 (2015): 2598–614. http://dx.doi.org/10.1099/ijs.0.000300.

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The eugregarines are a group of apicomplexan parasites that mostly infect the intestines of invertebrates. The high level of morphological variation found within and among species of eugregarines makes it difficult to find consistent and reliable traits that unite even closely related lineages. Based mostly on traits observed with light microscopy, the majority of described eugregarines from marine invertebrates has been classified into a single group, the Lecudinidae. Our understanding of the overall diversity and phylogenetic relationships of lecudinids is very poor, mainly because only a mo
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23

González-Páez, Gonzalo E., Emily J. Roncase, and Dennis W. Wolan. "X-ray structure of an inactive zymogen clostripain-like protease from Parabacteroides distasonis." Acta Crystallographica Section D Structural Biology 75, no. 3 (2019): 325–32. http://dx.doi.org/10.1107/s2059798319000809.

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The clostripain-like (C11) family of cysteine proteases are ubiquitously produced by the vast majority of the bacterial strains that make up the human distal gut microbiome. Recent reports show that some C11 proteases promote host immune responses and bacterial pathogenesis, including the induction of neutrophil phagocytosis and the activation of bacterial pathogenic toxins, respectively. The crystal structure of distapain, the only C11 protease predicted within the genome of the commensal bacterium Parabacteroides distasonis, was determined in the inactive zymogen state to 1.65 Å resolution.
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24

Virgili, Riccardo, Valentina Tanduo, Stelios Katsanevakis, et al. "The Miseno Lake (Central-Western Mediterranean Sea): An Overlooked Reservoir of Non-Indigenous and Cryptogenic Ascidians in a Marine Reserve." Frontiers in Marine Science 9 (April 19, 2022). http://dx.doi.org/10.3389/fmars.2022.866906.

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Ascidians are the largest and most diverse class of the subphylum Tunicata, and are important components of marine benthic communities. They are also renowned worldwide invaders, of growing concern due to ease of spread and impacts on native biota. We hereby combined bathymetric and habitat mapping, extensive transect and photo-quadrat sampling, and a morphological and molecular study on selected specimens to evaluate taxonomic composition, cover, and distribution pattern of ascidians in a marine reserve of the central-western Mediterranean Sea, the Miseno Lake (Bacoli, Naples, Italy). Twenty-
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25

Wati, Ana Taqwa, and Erma Febriani. "PEMAHAMAN PENTINGNYA LEGALISASI PENGEMASAN PRODUK RUMAHAN WARGA PEDAK." Prosiding Seminar Nasional Program Pengabdian Masyarakat, January 31, 2022. http://dx.doi.org/10.18196/ppm.45.589.

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Peyek merupakan salah satu produk rumahan yang dikembangkan di pedukuhan Pedak. Pengemasan produk ini masih sangat sederhana dengan menggunakan plastik yang distapler. Model pengemasan ini mengakibatkan umur peyek tidak bertahan lama, dan berakibat pada jangkauan pemasaran yang tidak bisa jauh. Sebagai tujuan dari program pengabdian ini adalah untuk memberikan pengertian tentang legalitas pengemasan produk rumahan tersebut. Selain memberikan pengertian, pengabdian ini juga memberikan pendampingan dalam mekanisme pengemasan produk. Metode yang digunakan dalam pengabdian ini adalah sosialisasi p
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