Search Results - "Villaça, Roberto Campos"

Influence of laboratory conditions on two species Dictyotaceae family (Phaeophyceae): Diterpenoid profile and physiological response by Obando, Johana Marcela Concha, dos Santos, Thalisia Cunha, Fortes, Rafael da Rocha, Bernardes, Marcelo, Nascimento, Nívia, Villaça, Roberto Campos, Teixeira, Valeria Laneuville, Barbarino, Elisabete, Cavalcanti, Diana Negrão

“…The seaweed Dictyotaceae family has a great wealth of diterpenes with important biological activities. Information on these diterpenes qualitative and…”
Get full text

THE STRUCTURE OF SUBTIDAL MACROALGAL ASSEMBLAGES AT THE TAMOIOS ECOLOGICAL STATION, A THREATENED CONSERVATION UNIT IN RIO DE JANEIRO, BRAZIL by Koutsoukos, Victor de Souza, Villaça, Roberto Campos, Széchy, Maria Teresa Menezes de

“…The structure of subtidal rocky bottom communities at Tamoios Ecological Station (TES), situated in Ilha Grande Bay, Rio de Janeiro State, as well as in other…”
Get full text

Inhibitory effects against pasture weeds in Brazilian Amazonia of natural products from the marine brown alga Dictyota menstrualis by Fonseca, Rainiomar Raimundo, Filho, Antonio Pedro Silva Souza, Villaça, Roberto Campos, Teixeira, Valéria Laneuville

“…Fractions of the acetone extract and a mixture of two diterpenes from the marine brown alga Dictyota menstrualis were prepared with the aim of identifying…”
Get more information

High intraspecific variation in the diet of the french angelfish Pomacanthus paru in the south-western Atlantic by Batista, Daniela, Muricy, Guilherme Ramos da Silva, Andréa, Barbara Rustum, Villaça, Roberto Campos

“…Grazing by reef fishes is among the most important biotic factors controlling the structure of benthic communities in coral reefs and tropical rocky shores…”
Get full text

Chemical variation and analysis of diterpenes from seaweed Dictyota menstrualis under controlled conditions by Obando, Johana Marcela Concha, dos Santos, Thalisia Cunha, Bernardes, Marcelo, Nascimento, Nívia, Villaça, Roberto Campos, Teixeira, Valéria Laneuville, Barbarino, Elisabete, Cavalcanti, Diana Negrão

“…Brown algae are a rich source of valuable compounds. The Dictyota species are resources tapped to obtain diterpenes with important bioactivities, that seem to…”
Get full text

Antiviral Activity Against Chikungunya Virus of Diterpenes from the Seaweed Dictyota menstrualis by Cirne-Santos, Claudio Cesar, de Souza Barros, Caroline, Esteves, Priscilla Oliveira, Gomes, Max Willian Lisboa, dos Santos Pereira Gomes, Rafaela, Cavalcanti, Diana Negrão, Obando, Johana Marcela Concha, Ramos, Carlos José Brito, Villaça, Roberto Campos, Teixeira, Valéria Laneuville, de Palmer Paixão, Izabel Christina Nunes

“…Chikungunya virus infection has become one of the most challenging re-emergent viral infections. Given that there is as yet no vaccine or effective drugs…”
Get full text

Diterpenes content of the brown alga Dictyota ciliolata (Dictyotales, Phaeophyceae) and recognition of a Brazilian haplotype based on psbA sequences by De-Paula, Joel Campos, Lopes-Filho, Erick Alves Pereira, Salgueiro, Fabiano, Yoneshigue-Valentin, Yocie, Cavalcanti, Diana Negrão, Villaça, Roberto Campos, Teixeira, Valéria Laneuville

“…Macroalgae of the genus Dictyota produce large amount of diterpenes, which have many ecological and biological functions. We analysed the crude extracts of…”
Get full text

Coralline Algae Depositional Environments on the Brazilian Central–South-Eastern Shelf by de Macedo Dias, Gilberto Tavares, Villaça, Roberto Campos

“…DIAS, G.T.M., and VILLAÇA, R.C., 2012. Coralline algae depositional environments on the Brazilian central–south-eastern shelf. The Brazilian central shelf…”
Get full text

Assessment of rocky reef fish assemblages close to seaweed farming by Carvalho, Leonardo Lara, Souza, Eduardo Godoy Aires, Mata Júnior, Mauricio Roque, Villaça, Roberto Campos

“…The seaweed Kappaphycus alvarezii (Doty) Doty ex P. C. Silva, a red algal species, is the main global source of Kappa carrageenan. The introduction of such…”
Get full text

Colonization and growth of crustose coralline algae (Corallinales, Rhodophyta) on the Rocas Atoll by Alexandre Bigio Villas Bôas, Marcia A. de O. Figueiredo, Roberto Campos Villaça

“…Crustose coralline algae play a fundamental role in reef construction all over the world. The aims fo this study were to identify and estimate the abundance of…”
Get full text

Effect of fine-scale habitat differences on algal colonisation in a coral-dominated subtropical reef by DE CARVALHO, LEONARDO L., VILLAÇA, ROBERTO C.

“…Abstract Maintaining the coexistence of algae and corals depends on the interactions between them. We investigated these interactions to assess: (1)…”
Get full text

Diterpenes content of the brown alga Dictyota ciliolata (Dictyotales, Phaeophyceae) and recognition of a Brazilian haplotype based on psb A sequences by De-Paula, Joel Campos, Lopes-Filho, Erick Alves Pereira, Salgueiro, Fabiano, Yoneshigue-Valentin, Yocie, Cavalcanti, Diana Negrão, Villaça, Roberto Campos, Teixeira, Valéria Laneuville

Get full text

Anti-HIV-1 activity in human primary cells and Anti-HIV-1 RT inhibitory activity of extracts from the red seaweed Acanthophora spicifera by Caio, Cesar Richter Nogueira, Izabel, Christina Nunes de Palmer Paixão, Claudio, Cesar Cirne-Santos, Paulo, Roberto Soares Stephens, Roberto, Campos Villaça, Helena, de Souza Pereira, Valéria, Laneuville Teixeira

Get full text

High intraspecific variation in the diet of the french angelfish Pomacanthus paru in the south-western Atlantic by Batista, Daniela, Muricy, Guilherme Ramos da Silva, Andréa, Barbara Rustum, Villaça, Roberto Campos

Get full text

THE STRUCTURE OF SUBTIDAL MACRO ALGAL ASSEMBLAGES AT THE TAMOIOS ECOLOGICAL STATION, A THREATENED CONSERVATION UNIT IN RIO DE JANEIRO, BRAZIL by de Souza Koutsoukos, Victor, Villaca, Roberto Campos, de Szechy, Maria Teresa Menezes

“…The structure of subtidal rocky bottom communities at Tamoios Ecological Station (TES), situated in Ilha Grande Bay, Rio de Janeiro State, as well as in other…”
Get full text