Results 321 to 330 of about 163,025 (332)
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Sexual recognition and fertilization in brown algae
Journal of Cell Science, 1985ABSTRACT Fertilization in the brown marine algae known as fucoids, is oogamous. The naked egg cell (80 qm diam.) is fertilized by small biflagellate spermatozoids and both monoecious and dioecious species are found. Fertilization is highly species-specific and this appears to be controlled during plasmogamy.
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BIOSORPTION OF ANTIMONY BY BROWN ALGAE S. muticum AND A. nodosum
Environmental Engineering and Management Journal, 2015Environmental contamination by antimony has been described as a critical issue in many articles. In this study, the Sb(III) removal by two brown algae, Sargassum muticum and Aschophylum nodosum, has been tested. Algae were collected in Viana do Castelo beach (Portugal). Preliminary tests were carried out and, based on the results, Sargassum muticum was
Gabriela Ungureanu +3 more
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An Updated Classification of Brown Algae (Ochrophyta, Phaeophyceae)
Cryptogamie, Algologie, 2014Abstract About three-hundred genera are currently recognized in the brown algae (SAR lineage, sub-regnum Stramenopiles or Heterokonta, divisio Ochrophyta, class Phaeophyceae). Since the first morphology-based pre-cladistic classifications, the advent of the concepts and methods of molecular phylogenies has resulted in countless new insights within the ...
Silberfeld, Thomas +2 more
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Extraction and Purification of Phlorotannins from Brown Algae
2015The interest in the physiological roles and bioactivities of plant phenols has increased over the past decades. In seaweeds, many investigations have dealt with phenolic compounds of Phaeophyceae (phlorotannins), even though little is known so far about the ecophysiological variations of their pool or their biosynthetic pathways.
Ar Gall, Erwan +4 more
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Brown Algae (Phaeophyceae) in Rivers
2016Freshwater brown algae can be abundant in streams, but represent just seven species in the Phaeophyceae, a class of ~2000 species, most from marine environments. Freshwater species do not form parenchyma, but are based on one of the three filamentous growth forms: (1) uniseriate, creeping filaments infrequently or frequently branched; (2) complex ...
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Regeneration in certain brown algae.
Proceedings of the Linnean Society of London, 1937openaire +2 more sources