Relevant bibliographies by topics / Cucumaria frondosa

Academic literature on the topic 'Cucumaria frondosa'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Cucumaria frondosa"

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Silchenko, Alexandra S., Sergey A. Avilov, Alexandr S. Antonov, Anatoly I. Kalinovsky, Pavel S. Dmitrenok, Vladimir I. Kalinin, Valentin A. Stonik, Carl Woodward, and Peter D. Collin. "Glycosides from the sea cucumber Cucumaria frondosa. III. Structure of frondosides A2-1, A2-2, A2-3, and A2-6, four new minor monosulfated triterpene glycosides." Canadian Journal of Chemistry 83, no. 1 (January 1, 2005): 21–27. http://dx.doi.org/10.1139/v04-163.

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Frondosides A2-1 (1), A2-2 (2), A2-3 (3), and A2-6 (4) are new monosulfated holostane pentaosides isolated from the sea cucumber Cucumaria frondosa. Their structures have been elucidated on the basis of spectral data (2D NMR and MS). Frondoside A2-2 (2) contains an α,β-unsaturated ketone fragment in the side chain of the aglycon, unique for triterpene glycosides of sea cucumbers.Key words: Cucumaria frondosa, sea cucumbers, frondosides, triterpene glycosides.
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Silchenko, Alexandra S., Sergey A. Avilov, Alexandr S. Antonov, Anatoly I. Kalinovsky, Pavel S. Dmitrenok, Vladimir I. Kalinin, Carl Woodward, and Peter D. Collin. "Glycosides from the sea cucumber Cucumaria frondosa. IV. Structure of frondosides A2-4, A2-7, and A2-8, three new minor monosulfated triterpene glycosides." Canadian Journal of Chemistry 83, no. 12 (December 1, 2005): 2120–26. http://dx.doi.org/10.1139/v05-243.

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Frondosides A2-4 (1), A2-7 (2), and A2-8 (3) are new monosulfated triterpene glycosides isolated from the sea cucumber Cucumaria frondosa. Their structures have been elucidated on the basis of spectral data (2D NMR and MS). Frondosides A2-7 (2) and A2-8 (3) are isomers and differ from each other only by the position of a double bond in their non-holostane-type aglycones.Key words: Cucumaria frondosa, sea cucumbers, frondosides, triterpene glycosides.
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Avilov, Sergey A., Olga A. Drozdova, Vladimir I. Kalinin, Anatoly I. Kalinovsky, Valentin A. Stonik, Elena N. Gudimova, Ricardo Riguera, and Carlos Jiménez. "Article." Canadian Journal of Chemistry 76, no. 2 (February 1, 1998): 137–41. http://dx.doi.org/10.1139/v97-218.

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Frondoside C (1) is a new sulfated nonholostane triterpene glycoside obtained (with the glycosides closed by aglycone structure as impurities) from the sea cucumber Cucumaria frondosa. Its structure has been elucidated on the basis of spectral data (NMR and MS) of compound 1 and of its desulfated derivative (2) obtained by solvolysis. Frondoside C (1) is just the seventh glycoside reported from sea cucumbers, having a lanostane-type aglycone devoid of the typical 18(20)- lactone ring.Key words: Cucumaria frondosa, sea cucumbers, frondosides, triterepene glycosides, antitumor activity.
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Yayli, Nurettin, and John A. Findlay. "A triterpenoid saponin from Cucumaria frondosa." Phytochemistry 50, no. 1 (January 1999): 135–38. http://dx.doi.org/10.1016/s0031-9422(98)00463-4.

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Avilov, S. A., V. I. Kalinin, O. A. Prozdova, A. I. Kalinovskii, V. A. Stonik, and E. N. Gudimova. "Triterpene glycosides from the holothurian Cucumaria frondosa." Chemistry of Natural Compounds 29, no. 2 (1993): 216–18. http://dx.doi.org/10.1007/bf00630119.

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Silchenko, Alexandra S., Sergey A. Avilov, Anatoly I. Kalinovsky, Pavel S. Dmitrenok, Vladimir I. Kalinin, Jeffrey Morre, Max L. Deinzer, Carl Woodward, and Peter D. Collin. "Glycosides from the North Atlantic sea cucumber Cucumaria frondosa V - Structures of five new minor trisulfated triterpene oligoglycosides, frondosides A7-1, A7-2, A7-3, A7-4, and isofrondoside C." Canadian Journal of Chemistry 85, no. 9 (September 1, 2007): 626–36. http://dx.doi.org/10.1139/v07-087.

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Seven highly polar trisulfated triterpene glycosides belonging to the frondoside A7 group have been isolated from the North Atlantic sea cucumber Cucumaria frondosa. The structures of five new glycosides, frondosides A7-1 (1), A7-2 (2), A7-3 (3), A7-4 (4), and isofrondoside C (5) were elucidated, three of which contained lanostane aglycons without a lactone-ring. Three pairs of the glycosides proved to be isomers by virture of the positions of double bonds in the aglycons nuclei; two pairs of the glycosides differed from each other by the character of the oxygen functionality at C-22. The results from these studies provided the basis for postulating the biosynthetic pathways of norlanostane glycosides in the sea cucumber.Key words: Cucumaria frondosa, sea cucumbers, frondosides, triterpene glycosides.
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Song, Zhuoyue, Mengru Zhu, Jun Wu, Tian Yu, Yao Chen, Xianying Ye, Shijie Li, and Nenggui Xu. "Fucoidans from Cucumaria frondosa ameliorate renal interstitial fibrosis via inhibition of the PI3K/Akt/NF-κB signaling pathway." Food & Function 13, no. 3 (2022): 1168–79. http://dx.doi.org/10.1039/d1fo03067a.

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Song, Zhuoyue, Mengru Zhu, Jun Wu, Tian Yu, Yao Chen, Xianying Ye, Shijie Li, and Nenggui Xu. "Correction: Fucoidans from Cucumaria frondosa ameliorate renal interstitial fibrosis via inhibition of the PI3K/Akt/NF-κB signaling pathway." Food & Function 13, no. 6 (2022): 3776–77. http://dx.doi.org/10.1039/d2fo90016e.

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Correction for ‘Fucoidans from Cucumaria frondosa ameliorate renal interstitial fibrosis via inhibition of the PI3K/Akt/NF-κB signaling pathway’ by Zhuoyue Song et al., Food Funct., 2022, 13, 1168–1179, DOI: 10.1039/D1FO03067A.
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Yayli, Nurettin, and John A. Findlay. "Polar Metabolites from the Sea Cucumber Cucumaria frondosa." Journal of Natural Products 57, no. 1 (January 1994): 84–89. http://dx.doi.org/10.1021/np50103a012.

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Singh, Rabindra, Bruce A. MacDonald, Peter Lawton, and Martin LH Thomas. "Feeding response of the dendrochirote sea cucumber Cucumaria frondosa (Echinodermata: Holothuroidea) to changing food concentrations in the laboratory." Canadian Journal of Zoology 76, no. 10 (October 1, 1998): 1842–49. http://dx.doi.org/10.1139/z98-133.

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Sea cucumbers (Cucumaria frondosa) (Echinodermata: Holothuroidea) held in flow-through tanks were exposed to different chloropigment concentrations by manipulating the seston concentration via the use of water filters in the inflow lines and the addition of cultured algae or natural plankton to tanks. The percentage of sea cucumbers open and feeding increased asymptotically as the seston chloropigment concentration increased. Below 50 µg·L-1 the percentage of sea cucumbers with tentacles extended and feeding decreased. The rate at which sea cucumbers inserted their tentacles into their mouths (0.96 ± 0.34 insertion/min (mean ± SD)) increased with increasing seston quality. Cucumaria frondosa fed at faster rates at the higher concentrations. There was a significant positive relationship between the stomach content (amount of chloropigment) of sea cucumbers and the seston chloropigment concentration to which they were exposed (r2 = 0.200, p < 0.001).
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Dissertations / Theses on the topic "Cucumaria frondosa"

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Kirshenbaum, Sheril R. "Assessment and Management of the Maine Sea Cucumber (Cucumaria frondosa)." Fogler Library, University of Maine, 2005. http://www.library.umaine.edu/theses/pdf/KirshenbaumSR2005.pdf.

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Szulgit, Greg Karl. "Mechanical investigations of the mutable collagenous tissues of the echinoderms, Eucidaris tribuloides, Cucumaria frondosa, and Parastichopus parvimensis /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9823697.

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Singh, Rabindra. "The feeding ecology and reproductive cycle of the sea cucumber Cucumaria frondosa (Gunnerus) from the Bay of Fundy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ46302.pdf.

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Tripoteau, Ludovic. "Valorisation des coproduits de l'holothurie Cucumaria frondosa par l'étude d'extraits bioactifs et approche écotoxicologique des métabolites secondaires relargués en situation de stress." Thesis, Lorient, 2015. http://www.theses.fr/2015LORIS368/document.

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La transformation des produits marins génère d’importantes quantités de rejets. La majorité est transformée pour des applications de masse avec une faible valeur ajoutée. Au Nouveau Brunswick, 85 000 tonnes de produits marins sont transformés annuellement et la moitié est peu ou pas valorisée, c’est le cas de l’holothurie Cucumaria frondosa. Face aux différentes pressions de leur environnement, et notamment la prédation, ces invertébrés marins ont évolué en développant des métabolites d’une large chimiodiversité, ce qui en fait d’excellents candidats pour le développement de substances naturelles bioactives. L’objectif de cette étude a tout d’abord été de chercher à valoriser les coproduits majeurs de Cucumaria frondosa en constituant une large librairie d’extraits et en évaluant, par fractionnement bioguidé, les activités antiherpétiques in vitro des fractions obtenues par différents procédés d’extraction (extractions par solvants et hydrolyses enzymatiques). Nous avons pu mettre en évidence la présence de fractions anti-VHS-1 (Virus Herpes Simplex de type 1). L’hydrolyse enzymatique s’est avérée être une technique efficace pour la génération de substances actives. Le bulbe aquapharyngé peu considéré d’un point de vue industriel représente un réel potentiel pour l’extraction de composés anti-VHS-1, et notamment lorsque celui-ci est hydrolysé par la papaïne en conditions contrôlées. L’activité antiherpétique la plus efficace a été reliée à la présence de molécules à haut poids moléculaires. Dans un second temps, nous avons cherché à comprendre et à mettre en évidence les mécanismes de défense de l’holothurie par l’étude de ces métabolites secondaires relargués en situation de stress. Les métabolites ont été évalués sur différents modèles écotoxicologiques et les molécules actives ont été caractérisées par fractionnement bioguidé par l’utilisation de modèle d’évaluation de cytotoxicité, en parallèle à différents procédés analytiques. L’étude a confirmé l’existence et la production de composés toxiques relargués en situation de stress. Ces métabolites secondaires ont montré une forte toxicité sur différents modèles écotoxicologiques chronique et aiguë. Le fractionnement bioguidé par couplage analytique nous a conduit à l’identification de plusieurs composés du type glycoside triterpénique et notamment le Frondoside A retrouvé dans la fraction responsable de la cytotoxicité. L’étude a permis d’optimiser l’extraction de ce composé d’un intérêt biologique prometteur sans pour autant entraîner la mort de l’animal
The transformation of marine products generates huge quantities of rejects. The majority of these rejects is used for an upgrading of products with low added value. In New Brunswick, 85 000 tons of marine products are transformed annually, the half is little or not upgraded, that is the case of the holothurian Cucumaria frondosa. Confronted with environmental pressures, and especially predation, the marine invertebrates have evolved and developed various metabolites of different chemical classes. Thus, these metabolites represent ideal candidates for the development of new natural bioactive substances. The objectives of this study was first based on the upgrading of the major byproducts from Cucumaria frondosa by creating a wide library of extracts obtained by different type of extractions (solvent extractions and enzymatic hydrolysis) and then, by bioguided fractionation, evaluating the in vitro anti-HSV-1 (Herpes Simplex Virus, type 1) activities of the fractions. We showed the presence of potent antiherpetic fractions without cytotoxicity on mammalian cells. The enzymatic hydrolysis has been demonstrated to be efficient for the generation of high molecular weight active substances regarding HSV-1. The aquapharyngeal bulb, considered to be less used industrially, represents a real potential for the extraction of anti-HSV-1 compounds, and especially when hydrolyzed by papain under controlled conditions. Secondly, we have searched to understand the mechanism of defense of the holothurian under stress conditions. The secondary metabolites involved were evaluated on different ecotoxicological models. This work has confirmed the existence and the production of toxic compounds released under stress conditions. These secondary metabolites have shown a strong toxicity on acute and chronic ecotoxicological models. The bioguided fractionation assisted by analytical evaluation led to the identification of several triterpene glycosides, and especially the Frondoside A into the cytotoxic fraction. This study has permitted the optimization of the upgrading of the byproducts from Cucumaria frondosa by the extraction of antiherpetic molecules without cytotoxicity and the identification and the characterization of the defense
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Books on the topic "Cucumaria frondosa"

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Lebskai︠a︡, T. K. Biokhimicheskie osobennosti i aspekty tekhnologii barent︠s︡evomorskogo ogurt︠s︡a Cucumaria Frondosa. Murmansk: Izd-vo PINRO, 2000.

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Book chapters on the topic "Cucumaria frondosa"

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Beauregard, Karen A., Nobel T. Truong, Haiyan Zhang, Wenyu Lin, and Gregory Beck. "The Detection and Isolation of a Novel Antimicrobial Peptide From the Echinoderm Cucumaria Frondosa." In Advances in Experimental Medicine and Biology, 55–62. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1291-2_5.

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Hamel, J. F., and G. Desrosiers. "Larval fixation and small scale migration of the sea cucumber Cucumaria frondosa." In Echinoderms through Time, 515. CRC Press, 2020. http://dx.doi.org/10.1201/9781003077831-120.

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Gudimova, E., P. Collin, and A. Gudimov. "A study of the biology for fishery in two populations of Cucumaria frondosa." In Echinoderms: Munchen, 269–76. Taylor & Francis, 2004. http://dx.doi.org/10.1201/9780203970881.ch46.

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Conference papers on the topic "Cucumaria frondosa"

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Senadheera, Tharindu, Deepika Dave, and Fereidoon Shahidi. "Integrated bioinformatics approach for identification of bioactive peptides from orange-footed (Cucumaria frondosa) sea cucumber hydrolysate by-products." In Virtual 2021 AOCS Annual Meeting & Expo. American Oil Chemists’ Society (AOCS), 2021. http://dx.doi.org/10.21748/am21.511.

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Janakiram, Naveena B., Altaf Mohammed, Misty Brewer, Peter D. Collin, Vernon E. Steele, and Chinthalapally V. Rao. "Abstract 2145: Chemopreventive and immune-modulatory effects of the Cucumaria frondosa extract, Frondanol A5 in the APCMin/+ mice intestinal tumorigenesis." In Proceedings: AACR Annual Meeting 2014; April 5-9, 2014; San Diego, CA. American Association for Cancer Research, 2014. http://dx.doi.org/10.1158/1538-7445.am2014-2145.

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You might also be interested in the extended bibliographies on the topic 'Cucumaria frondosa' for particular source types:
Journal articles
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