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Sulfated polysaccharides in the freshwater green macroalga cladophora surera not linked to salinity adaptation
(Frontiers, 2017-11)
The presence of sulfated polysaccharides in cell walls of seaweeds is considered to be a consequence of the physiological adaptation to the high salinity of the marine environment. Recently, it was found that sulfated ...
Photosynthetic responses to temperature in tropical lotic macroalgae
(2004-06-01)
A comparative analysis of the photosynthetic responses to temperature (10-30°C) was carried out under short-term laboratory conditions by chlorophyll fluorescence and oxygen (O2) evolution. Ten lotic macroalgal species ...
Novel sulfated xylogalactoarabinans from green seaweed Cladophora falklandica: Chemical structure and action on the fibrin network
(Elsevier, 2016-12)
The water-soluble sulfated xylogalactoarabinans from green seaweed Cladophora falklandica are constituted by a backbone of 4-linked β-L-arabinopyranose units partially sulfated mainly on C3 and also on C2. Besides, partial ...
Phylogenetic analyses of Cladophora vagabunda (L.) C. Hoek (Cladophorales, Chlorophyta) from Brazil based on SSU rDNA sequences
(Sociedade Botânica de São Paulo, 2009)
The complete SSU rDNA was sequenced for 10 individuals of Cladophora vagabunda collected along the coast of Brazil. For C. rupestris (L.) Kütz. a partial SSU rDNA sequence (1634 bp) was obtained. Phylogenetic trees indicate ...
Photoacclimation in a tropical population of Cladophora glomerata (L.) Kützing 1843 (Chlorophyta) from southeastern Brazil
(Instituto Internacional de Ecologia, 2008-02-01)
A fotoaclimatação da fotossíntese foi investigada numa população tropical de Cladophora glomerata (Estado de São Paulo, sudeste do Brasil, 20º 48 24 S e 49º 22 24 W) através de parâmetros de fluorescência da clorofila e ...
UV-radiation effects on photosynthesis, photosynthetic pigments and UV-absorbing substances in three species of tropical lotic macroalgae
(Brazilian Soc Plant Physiology, 2018-09-01)
Freshwater algae inhabiting shallow waters are most effectively affected by UV radiation. The aim of this study was to analyze the photosynthetic performance (parameters derived of chlorophyll fluorescence), chlorophyll a ...
Description of immature stages of Ectemnostega (Ectemnostega) quadrata (Signoret 1885) (Heteroptera: Corixidae), with notes on ecological requirements of the species
(Taylor & Francis, 2010-06-08)
The family Corixidae comprises a small group of true bugs that live in aquatic environments with abundant macrophytes. The genus Ectemnostega Enderlein includes two subgenera: Ectemnostega and Ectemnostegella, both known ...
The impact of coastal urbanization on the structure of phytobenthic communities in southern Brazil
(PERGAMON-ELSEVIER SCIENCE LTDOXFORD, 2012)
The anthropogenic pressures on coastal areas represent important factors affecting local, regional, and even global patterns of distribution and abundance of benthic organisms. This report undertakes a comparative analysis ...
PRODUCTIVIDAD PRIMARIA EN LAGUNA LARGA, CAYO COCO, CUBA
(Universidad Nacional de Costa Rica, EUNA, 2012)