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Biological targets of neurotoxic pesticides analysed by alteration of developmental events in the Mediterranean sea urchin, Paracentrotus lividus.
Biological effects of neurotoxic insecticides widely used for agricultural purposes were studied using the early development of the Mediterranean sea urchin Paracentrotus lividus as a model. TheseExpand
Lipid components of the mediterranean seagrass Posidonia Oceanica
Abstract The component fatty acids and alkanes of the seagrass Posidonia oceanica collected on the Mediterranean coasts of France and Greece are reported. Chlorophyllous and non-chlorophyllous partsExpand
Effect of organochlorine pesticides on maturation of starfish and mouse oocytes.
Methoxychlor, lindane, and dieldrin are organochlorine pesticides that have been described as altering different reproductive functions in mammals and in invertebrates. However, few data have beenExpand
Cell-cycle calcium transients driven by cyclic changes in inositol trisphosphate levels
TRANSIENT changes in intracellular calcium ([Ca2+]i) have been shown to punctuate the cell cycle in various types of cells in culture1–5 and in early embryos6–12. The [Ca2+]i transients areExpand
Caulerpenyne from Caulerpa taxifolia has an antiproliferative activity on tumor cell line SK-N-SH and modifies the microtubule network.
Caulerpenyne, the major secondary metabolite synthesized by the green marine alga Caulerpa taxifolia, is cytotoxic against several cell lines. To identify possible targets of this toxin, weExpand
Preliminary survey of toxicity of the green algaCaulerpa taxifolia introduced into the Mediterranean
Caulerpa taxifolia (Vahl) C. Agardh (Ulvophyceae, Caulerpales) is an alga of tropical origin that was accidentally introduced into the Mediterranean sea in 1984, where this species can reach anExpand
Effects of tributyltin on Ca2+ homeostasis and mechanisms controlling cell cycling in sea urchin eggs
Abstract Tributyltin (TBT) is one of the widespread organotins in the marine environment: we have investigated its cellular targets in the eggs of the marine invertebrate sea urchin ParacentrotusExpand
Seasonal variations in the production of antifungal substances by some dictyotales (brown algae) from the french mediterranean coast
Hexane extracts of some algae belonging to the Dictyotales collected over a 12 month period were tested for their antifungal activity using human pathogenic fungi (yeasts, moulds and dermatophytes)Expand
Effect of nordidemnin on the cell cycle of sea urchin embryos. Role in synthesis and phosphorylation of proteins and in polyphosphoinositide turnover in mitosis progression.
Nordidemnin (NorD) is a cyclic depsipeptide isolated from a Caribbean tunicate. This drug is thought to affect cell proliferation by acting on protein, RNA, and DNA syntheses. We studied the abilityExpand
Antibacterial and Antifungal Properties of Some Marine Diatoms in Culture
Fifteen diatoms including 11 Chaetoceros species were tested against gram + , gram— terrestrial bacterial, marine bacteria, human pathogenic fungi (yeasts, moulds, dermatophytes) and phytofungi fromExpand
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