2012
DOI: 10.1590/s0100-40422012001100018
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Metabólitos secundários dos nudibrânquios Tambja stegosauriformis, Hypselodoris lajensis e Okenia zoobotryon e dos briozoários Zoobotryon verticillatum e Bugula dentata da costa do Brasil

Abstract: Recebido em 14/12/11; aceito em 19/7/12; publicado na web em 28/9/12 SECONDARY METABOLITES FROM NUDIBRANCHS Tambja stegosauriformis, Hypselodoris lajenis AND Okenia zoobotryon AND FROM BRYOZOANS Zoobotryon verticillatum AND Bugula dentata FROM THE BRAZILIAN COASTLINE. The chemical investigation of the MeOH extract from the bryozoan B. dentata MeOH yielded tambjamines A (1), C (3), D (4), K (6), aldehyde 8 and the new tambjamine J1(9), while the extract of its predator, the nudibranch Tambja stegosauriformis, y… Show more

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Cited by 20 publications
(42 citation statements)
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References 17 publications
(32 reference statements)
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“…89 The alkaloid 2,5,6-tribromo-N-methylgramine (222, Figure 26) has been obtained from the bryozoan Zoobotryon verticillatum (Amathia verticillata). 89 Re-investigation of extracts obtained from different samples of Amathia verticillata provided the new alkaloid 2,6-dibromo-N-methylgramine (223, Figure 26), together with 222. 90 …”
Section: Bryozoansmentioning
confidence: 99%
See 1 more Smart Citation
“…89 The alkaloid 2,5,6-tribromo-N-methylgramine (222, Figure 26) has been obtained from the bryozoan Zoobotryon verticillatum (Amathia verticillata). 89 Re-investigation of extracts obtained from different samples of Amathia verticillata provided the new alkaloid 2,6-dibromo-N-methylgramine (223, Figure 26), together with 222. 90 …”
Section: Bryozoansmentioning
confidence: 99%
“…Extracts of the nudibranch Hypselodoris lajensis provided the diterpene furodysinin (177, Figure 20), previously isolated only from marine sponges. 89 Extracts of the sea slug Pleurobranchus areolatus yielded the modified diketopiperazines 224 and 225 (Figure 27), as well as, four new modified rodriguesines (Figure 27), rodriguesic acid (226), its hydroxamate (227), and the corresponding methyl esters 228 and 229. 91 Amphidinolide P (213, Figure 25) has been isolated from the nudibranch Marionia limceana which preys on the coral S. bicolor.…”
Section: Mollusksmentioning
confidence: 99%
“…Mollusca é o segundo maior filo do reino animal com cerca de 100.000 espécies viventes, e estima-se que possam existir mais de 200.000 (Gaston & Spicer, 1998). Os moluscos representam grande importância sob vá-rios aspectos da vida humana, como fonte de alimento, valores (moeda em comunidades primitivas, conchas e pérolas) (Boffi, 1979;Oliveira, 1995;Lana et al, 1996;Lopes & Fonseca, 2008) e química de produtos naturais (Pereira et al, 2012). Entretanto, algumas espécies representam problemas quanto à saúde humana (hospedeiros de parasitas), pragas agrícolas, bioinvasão e bioincrustação (Boffi, 1979;Fernandes et al, 2004;Ministério da Saúde, 2008;Junqueira et al, 2009).…”
Section: O Contexto De Um Acervo Científico No Ieapmunclassified
“…13 Other nudibranch species, Tambja stegosauriformis and Okenia zoobotryon, prey upon the bryozoans Bugula dentata, and Amathia verticillata (previously Z. verticillatum), 14 respectively, and sequester compounds from these preys. 15 A tripeptide found in the invasive bryozoan species Bugula flabellata 16 has been previously isolated from the nudibranch Janolus cristatus. 17 Amathia verticillata is an erect, soft-bodied bryozoan that produces or accumulates brominated indole alkaloids such as 2,5,6-tribromo-N-methylgramine (1).…”
Section: Introductionmentioning
confidence: 99%
“…18 Previous studies revealed the presence of brominated indole alkaloids, specifically 2,5,6-tribromo-N-methylgramine, in A. verticillata specimens from California (USA), 19 Shimizu (Japan) 18 and Rio de Janeiro (Brazil). 15 This alkaloid was isolated from the nudibranch Okenia zoobotryon and from its prey, the bryozoan A. verticillata (= Zoobotryon verticillatum). 15 In addition to 2,5,6-tribromo-N-methylgramine, the biosynthetically related 2,5,6-tribromo-N-methylindole-3-carbaldehyde was identified in colonies from Spain.…”
Section: Introductionmentioning
confidence: 99%