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... tied Archiplanulae are accepted for the origin of Cnidaria as well as of Bilateria (Planula-Theory). 10 ... pelagic, lateral-symmetrical Archiplanulae gave rise to the Cnidaria, primarily characterized by some initial nematocysts as well ... symmetrical, two-tentacles polypid forms as the original Cnidaria. 12 Both main lines of Cnidaria, Anthozoa and Tesserazoa (= Scyphozoa, Cubozoa, and Hydrozoa), variously ... bilatéro-symétriques ont dûêtre à l'origine des Cnidaria aussi bien que des Bilateria (Théorie de la ...
Tópico(s): Plant and Biological Electrophysiology Studies
2009 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Produção Nacional
Revisado por pares
Lucília S. Miranda, Allen G. Collins, Antônio Carlos Marques,
... C. 2015Is Haootia quadriformis related to extant Staurozoa (Cnidaria)? Evidence from the muscular system reconsideredProc. R. Soc. ... invited repliesIs Haootia quadriformis related to extant Staurozoa (Cnidaria)? Evidence from the muscular system reconsidered L. S. ... 1]. The fossil was predominantly compared to staurozoans (Cnidaria) based on an assertion of consistent 'positioning of ... AG& Marques AC. 2013Internal anatomy of Haliclystus antarcticus (Cnidaria, Staurozoa) with a discussion on histological features used ...
Tópico(s): Paleontology and Stratigraphy of Fossils
2015 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Marta Gil, F. Ramil, J.A. Ansín Agís,
... 11299Altuna, A. (2012) New records of bathyal Leptolida (Cnidaria: Hydrozoa: Leptothecata) from the Bay of Biscay and ... Claudio, C. (1994) El género Zygophylax Quelch, 1885 (Cnidaria, Hydrozoa) en el Golfo de Vizcaya. Miscel.lània ... records of the superfamily Plumularioidea L. Agassiz, 1862 (Cnidaria, Hydrozoa) from the Bay of Biscay. Miscel·lània ... Galicia, 282 pp.Ansín Agís, J. (1998) Plumularioidea (Cnidaria, Hydrozoa) recolectados por las expediciones holandesas “CANCAP” en ... Ramil, F. & Vervoort, W. (2001) Atlantic Leptolida (Hydrozoa, Cnidaria) of the families Aglaopheniidae, Halopterididae, Kirchenpaueriidae and Plumulariidae ...
Tópico(s): Coral and Marine Ecosystems Studies
2020 - Q15088586 | Zootaxa
... 3 p. 161-173 Phylogenetic analysis of the Cnidaria P. Schuchert, P. Schuchert Zoological Institute, Basel, SwitzerlandSearch ... InRedditWechat Abstract The recent members of the phylum Cnidaria were analyzed with phylogenetic methodology and the help of the PAUP Computer program. The Cnidaria are established as a monophylum by their cnidocysts, ... as the most probable sister group of the Cnidaria. Arguments for the monophyly of the cnidarian classes ... were providea. For the ground plan of the Cnidaria the following characters were postulated: triphasic life cycle ...
Tópico(s): Crustacean biology and ecology
2009 - Wiley | Journal of Zoological Systematics & Evolutionary Research
Jin-Mei Feng, Jie Xiong, Jinyong Zhang, Yalin Yang, Bin Yao, Zhigang Zhou, Wei Miao,
... and that Myxozoa is sister to Medusozoa within Cnidaria. Second, we detected two homologs to cnidarian-specific ... kitauei may have functions similar to those in Cnidaria and that Myxozoa is Cnidaria. Additionally, phylogenetic analyses revealed that the minicollagens in ... the cnidarian Hydra magnipapillata, indicating Myxozoa is within Cnidaria. Thus, our results robustly support Myxozoa as a ... of the morphology, development and life cycle of Cnidaria and its evolution.
Tópico(s): Aquaculture disease management and microbiota
2014 - Elsevier BV | Molecular Phylogenetics and Evolution
Casey W. Dunn, Sally P. Leys, Steven H. D. Haddock,
... five clades: Porifera (sponges), Ctenophora (comb jellies), Placozoa, Cnidaria, and Bilateria. The monophyly (see Glossary) of each ... to one of five clades: Porifera, Ctenophora, Placozoa, Cnidaria, and Bilateria. To a first approximation, the study ... to one of five clades: Porifera, Ctenophora, Placozoa, Cnidaria, and Bilateria. To a first approximation, the study ... Scholar], with Ctenophora as the sister group to Cnidaria, and Acrosomata (Figure 1B) [6Ax P. Das System ... organization of the deep-sea siphonophore Bargmannia elongata (Cnidaria, Hydrozoa) is directionally asymmetric and arises by the ...
Tópico(s): Coral and Marine Ecosystems Studies
2015 - Elsevier BV | Trends in Ecology & Evolution
Dimitri M. Odorico, David J. Miller,
... internal (class–level) and external relationships of the Cnidaria remain unclear on the basis of analyses of ... cnidarian classes. Primary sequence analyses clearly resolved the Cnidaria from other lower Metazoa, supported sister group relationships ... the basal status of the Anthozoa within the Cnidaria. Additionally, in the ctenophore, placozoan and sponge, non- ... structure of the B12 region, whereas amongst the Cnidaria this is not the case. Although the phylogenetic ... analyses do not support the close relationship between Cnidaria and Placozoa suggested by previous studies.
Tópico(s): Coastal wetland ecosystem dynamics
1997 - Royal Society | Proceedings of the Royal Society B Biological Sciences
Ehsan Kayal, Bastian Bentlage, M. Sabrina Pankey, Aki Ohdera, Mónica Medina, David C. Plachetzki, Allen G. Collins, Joseph F. Ryan,
The phylogeny of Cnidaria has been a source of debate for decades, during which nearly all-possible relationships among the major lineages have been proposed. The ecological success of Cnidaria is predicated on several fascinating organismal innovations including ... to persistent uncertainty surrounding the evolutionary relationships within Cnidaria. While recent phylogenomic studies have advanced our knowledge ... topology. We then leverage our phylogenetic resolution of Cnidaria to understand the character histories of several critical ...
Tópico(s): Myxozoan Parasites in Aquatic Species
2018 - Springer Science+Business Media | BMC Evolutionary Biology
Charles N. David, Suat Özbek, Patrizia Adamczyk, Sebastián Meier, Barbara Pauly, Jarrod Chapman, Jung Shan Hwang, Takashi Gojobori, Thomas W. Holstein,
... minicollagens, proteins constituting the nematocyst capsule. Within the Cnidaria there is an increase in nematocyst complexity from ... minicollagens, proteins constituting the nematocyst capsule. Within the Cnidaria there is an increase in nematocyst complexity from ... membrane, cell junctions, and nerve cells. In addition, Cnidaria form nematocysts, an intracellular organelle unique to animals ... and tubule structures. intracellular organelle found in all Cnidaria and used in the capture of prey. The ... different morphological and functional types of nematocysts in Cnidaria. open sea zone, away from the sea bottom. ...
Tópico(s): Marine Toxins and Detection Methods
2008 - Elsevier BV | Trends in Genetics
... design principle is illustrated best by the phylum Cnidaria where symmetry varies from radial to tetraradial, biradial and bilateral. In the Cnidaria, bilateral symmetry is manifest most strongly in the ... disposition of ciliary tracts. Furthermore, the bilaterally symmetrical Cnidaria are typically sessile and, in those bilaterally symmetrical ... as it typically does in Bilateria. Within the Cnidaria, the hypothesized advantage of bilateral symmetry for internal ... mechanics. The developmental evolution of symmetry within the Cnidaria can be further explored through comparative gene expression ...
Tópico(s): Marine Ecology and Invasive Species
2005 - Wiley | BioEssays
Ben Waggoner, Allen G. Collins,
... Neoproterozoic “Ediacaran fossils” have been referred to the Cnidaria, often on the basis of vague or poorly ... using them to calibrate divergence dates across the Cnidaria, based on an extensive molecular phylogeny of extant ... the “Ediacara biota” places the root of the Cnidaria between 800 and 1,000 Ma, a figure ... in the Paleozoic, pushes the root of the Cnidaria back to between 1,500 and 2,000 ... oldest previous estimates for the origin of the Cnidaria. We suggest that the likeliest explanation is that ...
Tópico(s): Geology and Paleoclimatology Research
2004 - Cambridge University Press | Journal of Paleontology
Yehu Moran, David Fredman, Daniela Praher, Xin Z. Li, Liang Meng Wee, Fabian Rentzsch, Phillip D. Zamore, Ulrich Technau, Hervé Seitz,
... the sea anemone Nematostella vectensis , a representative of Cnidaria, the sister phylum of Bilateria. Our work uncovers ... and hydras, suggesting that microRNA gene turnover in Cnidaria greatly exceeds that of other metazoan groups. We ... plant miRNAs. It appears to be common in Cnidaria, as several of the miRNA target sites are ... post-transcriptional regulation by miRNAs functions differently in Cnidaria and Bilateria. The similar, siRNA-like mode of action of miRNAs in Cnidaria and plants suggests that this may be an ...
Tópico(s): Coral and Marine Ecosystems Studies
2014 - Cold Spring Harbor Laboratory Press | Genome Research
Ehsan Kayal, Béatrice Roure, Hervé Philippe, Allen G. Collins, Dennis V. Lavrov,
Cnidaria (corals, sea anemones, hydroids, jellyfish) is a phylum of relatively simple aquatic animals characterized by the ... organelle with an eversible tubule (cnida). Species within Cnidaria have life cycles that involve one or both ... solitary medusa. The currently accepted taxonomic scheme subdivides Cnidaria into two main assemblages: Anthozoa (Hexacorallia + Octocorallia) – cnidarians ... particularly from Medusozoa, to reevaluate phylogenetic relationships within Cnidaria. Our phylogenetic analyses based on a mitochogenomic dataset ...
Tópico(s): Marine Ecology and Invasive Species
2013 - Springer Science+Business Media | BMC Evolutionary Biology
Puli Chandramouli Reddy, Manu Unni, Akhila Gungi, Pallavi Agarwal, Sanjeev Galande,
... body axis predate the divergence of Bilateria and Cnidaria. However, function of Cnidarian Hox-like genes and ... conducted using Hydra, a Hydrozoan member of phylum Cnidaria, to gain insights into the roles of Cnidarian ... reports and this study reveals no conformity within Cnidaria. Indicating that unlike in Bilateria, there is no consolidated Hox-code determining primary body axis in Cnidaria.
Tópico(s): Protist diversity and phylogeny
2015 - Elsevier BV | Mechanisms of Development
Julia Gauberg, Salsabil Abdallah, Wassim Elkhatib, Alicia N. Harracksingh, Thomas Piekut, Elise F. Stanley, Adriano Senatore,
... gated calcium channels in early diverging animal phyla: cnidaria, placozoa, porifera and ctenophora.Front. Physiol. 2016; 7 ( ... gated calcium channels in early diverging animal phyla: cnidaria, placozoa, porifera and ctenophora.Front. Physiol. 2016; 7 ( ... gated calcium channels in early diverging animal phyla: cnidaria, placozoa, porifera and ctenophora.Front. Physiol. 2016; 7 ( ... gated calcium channels in early diverging animal phyla: cnidaria, placozoa, porifera and ctenophora.Front. Physiol. 2016; 7 ( ... gated calcium channels in early diverging animal phyla: cnidaria, placozoa, porifera and ctenophora.Front. Physiol. 2016; 7 ( ...
Tópico(s): Neuroscience and Neuropharmacology Research
2020 - Elsevier BV | Journal of Biological Chemistry
Frank Hauser, Thomas Lund Koch, Cornelis J.P. Grimmelikhuijzen,
... phyla that diverged before the emergence of Bilateria: Cnidaria (animals like corals and sea anemones), and Placozoa ( ... Placozoa. We propose that the divergence times between Cnidaria, Placozoa, and Bilateria might be too long for ... but also in early emerging phyla, such as Cnidaria and Placozoa. Humans have eight LGRs. In our ... history, going back to the common ancestor of Cnidaria and Placozoa.
Tópico(s): Marine Invertebrate Physiology and Ecology
2022 - Frontiers Media | Frontiers in Endocrinology
Claire Laguionie‐Marchais, A. Louise Allcock, Bill J. Baker, Ellie‐Ann Conneely, Sarah Dietrick, Fiona L. Kearns, Kate McKeever, Ryan Young, Connor A. Sierra, Sylvia Soldatou, H. Lee Woodcock, Mark P. Johnson,
Phylum Cnidaria has been an excellent source of natural products, with thousands of metabolites identified. Many of these have ... study was to explore the potential of 5600 Cnidaria natural products (after excluding those known to derive ... data sets defined for 51 predicted molecular properties. Cnidaria natural products overlap with drugs and toxins in ... In terms of the established drug-likeness measures, Cnidaria natural products have generally lower QED and RDL ... includes predicted toxicity (ADMET-score), however, found that Cnidaria natural products were more favourable than drugs. A ...
Tópico(s): Marine Sponges and Natural Products
2021 - Multidisciplinary Digital Publishing Institute | Marine Drugs
Maximilian P. Nesnidal, Martin Helmkampf, Iris Bruchhaus, Mansour El‐Matbouli, Bernhard Hausdorf,
... polar capsules that are similar to nematocysts of Cnidaria and of minicollagen genes suggest a close relationship between Myxozoa and Cnidaria. EST data of Buddenbrockia also indicated a cnidarian ... place Myxozoa as sister group to Medusozoa within Cnidaria. Based on the new dataset, the alternative hypothesis ...
Tópico(s): Aquatic Invertebrate Ecology and Behavior
2013 - Public Library of Science | PLoS ONE
... The Phylogenetic Position of the Enigmatic, Polypodium hydriforme (Cnidaria, Polypodiozoa): Insights from Mitochondrial Genomes, Genome Biology and ... the enigmatic parasite, Polypodium hydriforme, within the Phylum Cnidaria, BMC Evolutionary Biology 8, no.11 (May 2008). ... into Polyps and Cell Transdifferentiation in Turritopsis nutricula (Cnidaria, Hydrozoa), The Biological Bulletin 190, no.33 (Sep ... structure of the nematocytes of Polypodium hydriforme Ussov (Cnidaria), Zoologica Scripta 19, no.11 (Jan 1990): 1– ...
Tópico(s): Byzantine Studies and History
1950 - University of Chicago Press | The Quarterly Review of Biology
Bastian Bentlage, A. Townsend Peterson, Paulyn Cartwright,
... 3354/meps08012 Inferring distributions of chirodropid box-jellyfishes (Cnidaria: Cubozoa) in geographic and ecological space using ecological ... to investigate potential distributions of chirodropid box-jellyfishes (Cnidaria: Cubozoa), a group of highly toxic invertebrates whose ... P (2009) Inferring distributions of chirodropid box-jellyfishes (Cnidaria: Cubozoa) in geographic and ecological space using ecological ...
Tópico(s): Genetic diversity and population structure
2009 - Inter-Research | Marine Ecology Progress Series
Annalise M. Nawrocki, Peter Schuchert, Paulyn Cartwright,
... p. 290-304 Phylogenetics and evolution of Capitata (Cnidaria: Hydrozoa), and the systematics of Corynidae Annalise M. ... Cartwright, P. (2009). Phylogenetics and evolution of Capitata (Cnidaria: Hydrozoa), and the systematics of Corynidae.—Zoologica Scripta, ... medusa characters. Within the recently redefined suborder Capitata (Cnidaria: Hydrozoa: Hydroidolina), which includes 15 families and almost ...
Tópico(s): Coral and Marine Ecosystems Studies
2009 - Wiley | Zoologica Scripta
... study of the evolution of developmental processes, as cnidaria occupy a key evolutionary position at the base of the bilateria. Cnidaria play important roles in estuarine and reef communities, ... of chemical stress sensing and response mechanisms in cnidaria and allow us to further illuminate the evolution ...
Tópico(s): Marine Sponges and Natural Products
2008 - Springer Science+Business Media | Cell Biology and Toxicology
Marina Carreiro‐Silva, Andreia Braga‐Henriques, Íris Sampaio, V. de Matos, Filipe M. Porteiro, Óscar Ocaña,
... 2011. Isozoanthus primnoidus, a new species of zoanthid (Cnidaria: Zoantharia) associated with the gorgonian Callogorgia verticillata (Cnidaria: Alcyonacea). – ICES Journal of Marine Science, 68: 408– ...
Tópico(s): Marine Ecology and Invasive Species
2010 - Oxford University Press | ICES Journal of Marine Science
Alexander Gruhl, Beth Okamura,
... which are now supported as a clade within Cnidaria. Most myxozoans are morphologically extremely simplified, lacking major ... feature present in the last common ancestor of Cnidaria and Bilateria. The tetraradial arrangement of musculature is ... of muscle fibre orientation is apparently novel within Cnidaria and could thus be a specific adaptation. The presence of independent myocytes instead of Cnidaria-like epitheliomuscular cells can be interpreted as further ...
Tópico(s): Marine Ecology and Invasive Species
2012 - BioMed Central | EvoDevo
Özgür Deniz Tezcan, Sedat Sarp,
... P. disticha is a benthic hydrozoa belonging to Cnidaria phylum. Cnidaria are well known for their envenomation with their venomous organelle, "cnidocyst". The contact with cnidaria can result in a wide range of cytotoxic ... limited data about the in vivo effects of cnidaria toxins. We think the clinical aspects of the ...
Tópico(s): Marine Sponges and Natural Products
2012 - Elsevier BV | Toxicon
Thomas Eckert, Sabine Stötzel, Monika Burg‐Roderfeld, Judith Sewing, Thomas Lütteke, Nikolay E. Nifantiev, Johannes F.G. Vliegenthart, Hans‐Christian Siebert,
... and/or the degree of maturation. Tissues from Cnidaria are suitable examples for exploration of the effects ... an important role in various developmental processes of Cnidaria. In order to understand this biological phenomenon on ... regions of collagen are essential in stabilizing various Cnidaria tissues but could hinder the nematocyst formation and ...
Tópico(s): Seaweed-derived Bioactive Compounds
2012 - | Open Journal of Physical Chemistry
Ferdinando Boero, Jean Bouillon, Stefano Piraino,
... The recent setting of specific features of the Cnidaria into evolutionary and ecological frameworks suggests the centrality ... sciences. From an evolutionary point of view, the Cnidaria, with their diploblastic planulae, might represent the ancestral ... are much more important than usually perceived. Both Cnidaria and Ctenophora feed on the eggs and larvae ...
Tópico(s): Coral and Marine Ecosystems Studies
2005 - Taylor & Francis | Italian Journal of Zoology
Yong Zhu, Saravanan Thangamani, Bow Ho, Jeak Ling Ding,
... TEP3; dTEPIV, Drosophila TEP4; cTEP, Caenorhabditis TEP2; SeC3, cnidaria C3-like protein; BbC3, Amphioxus C3; SpC3, sea ... more sequences including newly identified C3-like sequences (cnidaria, amphiox, sea urchin), were used for the phylogenetic ... C3 and the sea urchin C3), and the cnidaria C3-like protein (AAN86548.1), which was recently ... protostome–deuterostome split. The C3-like sequence of cnidaria, a primitive animal with radial symmetry (Radiata), may ...
Tópico(s): Aquaculture disease management and microbiota
2004 - Springer Nature | The EMBO Journal
Matthew M. Nelson, Charles F. Phleger, Ben D. Mooney, Peter D. Nichols,
Abstract Antarctic gelatinous zooplankton, including Cnidaria ( Calycopsis borchgrevinki, Diphyes antarctica, Stygiomedusa gigantea, Atolla wyvillei, Dimophyes arctica ) and Ctenophora ( Beroe cucumis, B. forskalii, Pleurobrachia pileus, Bolinopsis infundibulum ) were ... species. Cholesterol was the major sterol in all Cnidaria (50–63% of total sterols) whereas in most ... with the carnivorous diet more dominant in the Cnidaria. Other sterols included primarily trans ‐dehydrocholesterol, desmosterol, 24‐ ...
Tópico(s): Coral and Marine Ecosystems Studies
2000 - Wiley | Lipids