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Induction of halogenated vesicle transport in cells of the red seaweed Laurencia obtusa
The data suggest that the transport of vesicles in L. obtusa may be related to the inhibition of the microfouling community on the algal surface and the morphology of the corps en cerise varied according to the availability of Br in seawater.
A Novel Antifouling Defense Strategy from Red Seaweed: Exocytosis and Deposition of Fatty Acid Derivatives at the Cell Wall Surface.
- W. Paradas, Leonardo Tavares Salgado, Gilberto Menezes Amado-Filho
- BiologyPlant & cell physiology
- 1 May 2016
The results suggested that L. translucida cortical cells can produce FA derivatives and secrete them to the thallus surface, providing a unique and novel protective mechanism against microfouling colonization in red algae.
Acidification-induced cellular changes in Symbiodinium isolated from Mussismilia braziliensis
Results show that seawater acidification as an only stressor causes significant changes in the physiology, biochemistry and ultrastructure of free-living Symbiodinium.
Diversity of Secondary Metabolites in the Liverwort Syzygiella rubricaulis (Nees) Stephani (Jamesoniellaceae, Marchantiophyta) from Neotropical High Mountains
- D. P. Costa, G. Amado-Filho, Y. Asakawa
- Environmental Science, BiologyChemistry & biodiversity
- 16 August 2018
The qualitative and quantitative variations of metabolites found are a response to different conditions, under which they live, mostly likely altitudinal conditions, and further studies on the quantification of these chemicals may provide information on their ecological roles and importance for the distribution of S. rubricaulis at different altitudes.
New Insights on the Terpenome of the Red Seaweed Laurencia dendroidea (Florideophyceae, Rhodophyta)
- L. D. de Oliveira, D. Tschoeke, F. Thompson
- Biology, Environmental ScienceMarine drugs
- 1 February 2015
This is the first report on terpene synthase genes in seaweeds, enabling further studies on possible heterologous biosynthesis of terpenes from L. dendroidea exhibiting ecological or biotechnological interest.
Are metals of antifouling paints transferred to marine biota
The data showed that the leaching of metals by antifouling paints present on decks and boats are being taken up by algae and isopods, indicating that ant ifouling coatings are the main source of heavy metal to biota of GB marina area.
Bromopyrrole Alkaloid Inhibitors of the Proteasome Isolated from a Dictyonella sp. Marine Sponge Collected at the Amazon River Mouth.
- R. T. M. P. de Souza, Vítor F. Freire, R. Berlinck
- ChemistryJournal of natural products
- 3 October 2018
The 20S proteasome inhibitory activities of compounds 1-6 have been recorded, with 5-bromopalau'amine (4) being the most active in this series.
Traffic of Secondary Metabolites to Cell Surface in the Red Alga Laurencia dendroidea Depends on a Two-Step Transport by the Cytoskeleton
It is shown, for the first time, that actin microfilaments and microtubules play an underlying cellular role in the chemical defence of red algae.
Chloroplasts morphology investigation with diverse microscopy approaches and inter-specific variation in Laurencia species (Rhodophyta)
- W. Paradas, L. Andrade, L. Salgado, L. Collado-Vides, R. Pereira, G. Amado-Filho
- Biology, Environmental Science
- 15 December 2015
It is suggested that lobes morphology has a taxonomic validity only to characterize L. translucida species.
Mevalonosomes: specific vacuoles containing the mevalonate pathway in Plocamium brasiliense cortical cells (Rhodophyta)
This paper has identified, for the first time in a member of the Rhodophyta, a vacuolar organelle containing enzymes that are involved in the mevalonate pathway—an important step in red algal…