Chemical variability within the marine sponge Aplysina fulva

Detalhes bibliográficos
Autor(a) principal: Nuñez, Cecilia Veronica
Data de Publicação: 2008
Outros Autores: Almeida, Erika Virginia Raphael de, Granato, Ana Claudia, Marques, Suzi O., Santos, Kelly O., Pereira, Fabio R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/6308
Resumo: Acesso restrito: Texto completo. p. 283-296
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spelling Nuñez, Cecilia VeronicaAlmeida, Erika Virginia Raphael deGranato, Ana ClaudiaMarques, Suzi O.Santos, Kelly O.Pereira, Fabio R.Nuñez, Cecilia VeronicaAlmeida, Erika Virginia Raphael deGranato, Ana ClaudiaMarques, Suzi O.Santos, Kelly O.Pereira, Fabio R.2012-07-04T14:18:42Z20080305-1978http://www.repositorio.ufba.br/ri/handle/ri/6308v. 36, n. 4Acesso restrito: Texto completo. p. 283-296Dibromotyrosine-derived metabolites are of common occurrence within marine sponges belonging to the order Verongida. However, previous chemical analysis of crude extracts obtained from samples of the verongid sponge Aplysina fulva collected in Brazil did not provide any dibromotyrosine-derived compounds. In this investigation, five samples of A. fulva from five different locations along the Brazilian coastline and one sample from a temperate reef in the South Atlantic Bight (SAB) (Georgia, USA) were investigated for the presence of bromotyrosine-derived compounds. All six samples collected yielded dibromotyrosinederived compounds, including a new derivative, named aplysinafulvin, which has been identified by analysis of spectroscopic data. These results confirm previous assumptions that dibromotyrosine-derived metabolites can be considered as chemotaxonomic markers of verongid sponges. The isolation of aplysinafulvin provides additional support for a biogenetic pathway involving an arene oxide intermediate in the biosynthesis of Verongida metabolites. It cannot yet be established if the chemical variability observed among the six samples of A. fulva collected in Brazil and the SAB is the result of different environmental factors, distinct chemical extraction and isolation protocols, or a consequence of hidden genetic diversity within the postulated morphological plasticity of this species.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-07-04T14:18:42Z No. of bitstreams: 1 1-s2.0-S0305197807002025-main.pdf: 465923 bytes, checksum: 2c1939df3e96dc1e1d3314834a9008d9 (MD5)Made available in DSpace on 2012-07-04T14:18:42Z (GMT). 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dc.title.pt_BR.fl_str_mv Chemical variability within the marine sponge Aplysina fulva
dc.title.alternative.pt_BR.fl_str_mv Biochemical Systematics and Ecology
title Chemical variability within the marine sponge Aplysina fulva
spellingShingle Chemical variability within the marine sponge Aplysina fulva
Nuñez, Cecilia Veronica
Aplysina fulva
Dibromotyrosine
Chemical variability
Chemotaxonomy
title_short Chemical variability within the marine sponge Aplysina fulva
title_full Chemical variability within the marine sponge Aplysina fulva
title_fullStr Chemical variability within the marine sponge Aplysina fulva
title_full_unstemmed Chemical variability within the marine sponge Aplysina fulva
title_sort Chemical variability within the marine sponge Aplysina fulva
author Nuñez, Cecilia Veronica
author_facet Nuñez, Cecilia Veronica
Almeida, Erika Virginia Raphael de
Granato, Ana Claudia
Marques, Suzi O.
Santos, Kelly O.
Pereira, Fabio R.
author_role author
author2 Almeida, Erika Virginia Raphael de
Granato, Ana Claudia
Marques, Suzi O.
Santos, Kelly O.
Pereira, Fabio R.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Nuñez, Cecilia Veronica
Almeida, Erika Virginia Raphael de
Granato, Ana Claudia
Marques, Suzi O.
Santos, Kelly O.
Pereira, Fabio R.
Nuñez, Cecilia Veronica
Almeida, Erika Virginia Raphael de
Granato, Ana Claudia
Marques, Suzi O.
Santos, Kelly O.
Pereira, Fabio R.
dc.subject.por.fl_str_mv Aplysina fulva
Dibromotyrosine
Chemical variability
Chemotaxonomy
topic Aplysina fulva
Dibromotyrosine
Chemical variability
Chemotaxonomy
description Acesso restrito: Texto completo. p. 283-296
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2012-07-04T14:18:42Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/6308
dc.identifier.issn.none.fl_str_mv 0305-1978
dc.identifier.number.pt_BR.fl_str_mv v. 36, n. 4
identifier_str_mv 0305-1978
v. 36, n. 4
url http://www.repositorio.ufba.br/ri/handle/ri/6308
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/j.bse.2007.09.008
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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instname_str Universidade Federal da Bahia (UFBA)
instacron_str UFBA
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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