Academic literature on the topic 'Polyandrocarpa zorritensis'

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Journal articles on the topic "Polyandrocarpa zorritensis"

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Brunetti, Riccardo, and Francesco Mastrototaro. "The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding." Zootaxa 528, no. 1 (2004): 1–8. https://doi.org/10.11646/zootaxa.528.1.1.

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Brunetti, Riccardo, Mastrototaro, Francesco (2004): The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding. Zootaxa 528 (1): 1-8, DOI: 10.11646/zootaxa.528.1.1, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.528.1.1
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BRUNETTI, RICCARDO, and FRANCESCO MASTROTOTARO. "The non-indigenous stolidobranch ascidian Polyandrocarpa zorritensis in the Mediterranean: description, larval morphology and pattern of vascular budding." Zootaxa 528, no. 1 (2004): 1. http://dx.doi.org/10.11646/zootaxa.528.1.1.

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The stolidobranch ascidian Polyandrocarpa zorritensis was detected, for the third time in the Mediterranean, in the harbour of Taranto (South Italy). Colonies develop vigorously on all hard substrata in shallow water and now represent one of the most important elements of the local fouling community. In this article specimens of the Mediterranean populations of the species are described. The morphology of the larva, which differs from that of other Polyzoinae, and a vascular budding mechanism of replication, similar to that known to occur in the Botryllinae, were both observed for the first ti
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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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Aiello, Anna, Ernesto Fattorusso, Concetta Imperatore, et al. "Zorrimidazolone, a Bioactive Alkaloid from the Non-Indigenous Mediterranean Stolidobranch Polyandrocarpa zorritensis." Marine Drugs 9, no. 6 (2011): 1157–65. http://dx.doi.org/10.3390/md9061157.

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Vazquez, Elsa, and Craig M. Young. "Ontogenetic changes in phototaxis during larval life of the Ascidian Polyandrocarpa zorritensis ()." Journal of Experimental Marine Biology and Ecology 231, no. 2 (1998): 267–77. http://dx.doi.org/10.1016/s0022-0981(98)00094-x.

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Stabili, Loredana, Margherita Licciano, Caterina Longo, Marco Lezzi, and Adriana Giangrande. "The Mediterranean non-indigenous ascidian Polyandrocarpa zorritensis : Microbiological accumulation capability and environmental implications." Marine Pollution Bulletin 101, no. 1 (2015): 146–52. http://dx.doi.org/10.1016/j.marpolbul.2015.11.005.

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Sumida, Paulo Yukio Gomes, Arthur Ziggiatti Güth, and Miguel Mies. "Pressure tolerance of tadpole larvae of the Atlantic ascidian Polyandrocarpa zorritensis: potential for deep-sea invasion." Brazilian Journal of Oceanography 63, no. 4 (2015): 515–20. http://dx.doi.org/10.1590/s1679-87592015100606304.

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Abstract How deep-sea fauna evolved is a question still being investigated. One of the most accepted theories is that shallow water organisms migrated to deeper waters and gave origin to the deep-sea communities. However, many organisms are prevented from performing long vertical migrations by the increasing hydrostatic pressure. Tadpole larvae of the ascidian Polyandrocarpa zorritensis were submitted to pressure treatments of 1, 50, 100 and 200 atm. Survival, settlement and metamorphosis rates were verified after 24 hour incubation in a pressure chamber. The majority of larvae settled (84%, 6
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Caicci, Federico, Valentina Degasperi, Fabio Gasparini, et al. "Variability of hair cells in the coronal organ of ascidians (Chordata, Tunicata)." Canadian Journal of Zoology 88, no. 6 (2010): 567–78. http://dx.doi.org/10.1139/z10-036.

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The tunicate ascidians are nonvertebrate chordates that possess mechanoreceptor cells in the coronal organ in the oral siphon, which monitor the incoming water flow. Like vertebrate hair cells, the mechanoreceptor–coronal cells are secondary sensory (axonless) cells accompanied by supporting cells and they exhibit morphological diversities of apical specialisations: they are multiciliate in ascidians of the order Enterogona, whereas they are more complex and possess one or two cilia accompanied by stereovilli, also graded in length, in ascidians of the order Pleurogona. In morphology, embryoni
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Nichols, Claire L., Gretchen Lambert, and Marie L. Nydam. "Continued persistence of non-native ascidians in Southern California harbors and marinas." Aquatic Invasions 18, no. 1 (2023): 1–22. http://dx.doi.org/10.3391/ai.2023.18.1.101962.

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Non-native ascidians have long dominated the artificial structures in southern California’s (United States) marinas and harbors. To determine the change in ascidian abundance and community composition over the last several decades, in 2019–2020 we replicated surveys from 1994–2000. We then created nMDS plots using the abundance data collected in the 1994–2000 and 2019–2020 surveys to compare the two groups. Range and average abundance per species were analyzed to determine trends and changes in ascidian community composition. Of the species used for comparison, four are native, three are crypt
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Nichols, Claire L., Gretchen Lambert, and Marie L. Nydam. "Continued persistence of non-native ascidians in Southern California harbors and marinas." Aquatic Invasions 18, no. (1) (2023): 1–22. https://doi.org/10.3391/ai.2023.18.1.101962.

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Non-native ascidians have long dominated the artificial structures in southern California's (United States) marinas and harbors. To determine the change in ascidian abundance and community composition over the last several decades, in 2019–2020 we replicated surveys from 1994–2000. We then created nMDS plots using the abundance data collected in the 1994–2000 and 2019–2020 surveys to compare the two groups. Range and average abundance per species were analyzed to determine trends and changes in ascidian community composition. Of the species used for comparison, four are native, three are crypt
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Dissertations / Theses on the topic "Polyandrocarpa zorritensis"

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Scelzo, Marta. "Vasal budding : characterization of a new form of non-embryonic development in the colonial ascidian Polyandrocarpa zorritensis." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS467.

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Les tuniciers coloniaux peuvent générer un nouveau corps par reproduction asexuée et par la régénération entière du corps, deux formes de développement non-embryonnaire (DNE). Les différents modes de DNE sont définis en fonction de la nature des tissus organogénétiques. Curieusement, cette capacité est dispersée au sein du sous-phylum, qui contient des espèces capables de DNE (colonial) proches phylogénétiquement d’espèces ou les capacités régénératives sont absentes ou réduites (solitaire). Cela suggère que le DNE a été acquis et perdu plusieurs fois au sein du groupe. L’espèce coloniale Poly
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