Screening for antifungal activities of extracts of the brazilian seaweed genus Laurencia (Ceramiales, Rhodophyta)
نویسندگان
چکیده
منابع مشابه
Sesquiterpenes from the essential oil of Laurencia dendroidea (Ceramiales, Rhodophyta): isolation, biological activities and distribution among seaweeds
Two known sesquiterpenes (1R*,2S*,3R*,5S*,8S*,9R*)-2,3,5,9tetramethyltricyclo[6.3.0.01,5]undecan-2-ol and (1S*,2S*,3S*,5S*,8S*,9S*)2,3,5,9-tetramethyltricyclo-[6.3.0.01,5]undecan-2-ol were isolated for the first time from the essential oil of the red seaweed Laurencia dendroidea collected in the Brazilian coast. These compounds were not active against eight bacteria strains and the yeast Candid...
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The red seaweeds belonging to the genus Laurencia are well known as halogenated secondary metabolites producers, mainly terpenoids and acetogennins. Several of these chemicals exhibit important ecological roles and biotechnological applications. However, knowledge regarding the genes involved in the biosynthesis of these compounds is still very limited. We detected 20 different genes involved i...
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15 صفحه اولEcological roles of natural products of the Brazilian red seaweed Laurencia obtusa.
Laboratory and field experiments were performed to assess the ecological roles of natural products produced by the Brazilian red seaweed Laurencia obtusa. Laboratory assays revealed that the natural concentration of the crude organic extract of L. obtusa significantly inhibited feeding by two herbivores: the crab Pachygrapsus transversus and the sea urchin Lytechinus variegatus. It was verified...
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ژورنال
عنوان ژورنال: Revista Brasileira de Farmacognosia
سال: 2011
ISSN: 0102-695X
DOI: 10.1590/s0102-695x2011005000085