نتایج جستجو برای: laurencia
تعداد نتایج: 251 فیلتر نتایج به سال:
The alga, Laturencia obtutsa (Hudson) Lam., was collected between 7 and 8 AM from an off-shore reef (Cayo Enrique) at La Parguera, Puerto Rico. All plants came from one location on the reef at ca. one foot depth. They were stored in open-sea water under daylight, and used within 6 hours of harvest. Terminal fronds of similar coloration from the same clump w-ere taken for each experiment. Severa...
Marine organisms constitute approximately one-half of the total global biodiversity, being rich reservoirs of structurally diverse biofunctional components. The potential of cyanobacteria, micro- and macroalgae as sources of antimicrobial, antitumoral, anti-inflammatory, and anticoagulant compounds has been reported extensively. Nonetheless, biological activities of marine fauna and flora of th...
UNLABELLED The cataloguing of marine chemicals is a fundamental aspect for bioprospecting. This has applications in the development of drugs from marine sources. A publicly accessible database that provides comprehensive information about these compounds is therefore helpful. The Seaweed Metabolite Database (SWMD) is designed to provide information about the known compounds and their biological...
زمینه: امروزه استفاده گسترده از آنتیبیوتیکها باعث به‌وجود آمدن سویههای مقاوم میکروارگانیسمها و افزایش روزافزون مقاومت آنتیبیوتیکی در سراسر جهان شده است. از این رو تحقیقات در رابطه با عوامل ضدمیکروبی جدید که به‌طور طبیعی تولید میشوند، برای دستیابی به‌منابع نوین دارویی از اهمیت فراوانی برخوردار است. بر اساس پژوهشهای انجام شده برخی از جلبکهای پرسلولی دارای خواص ضدباکتریایی و ضدقارچی قاب...
Photoinhibition of macroalgae in the epilithic algal community (EAC) of coral reefs was studied using chlorophyll fluorescence techniques at One Tree Island, Great Barrier Reef, Australia. F jFm (variable to maximum fluorescence darkened samples) of shallow macroalgae declined by 50% on fine summer and winte~ days, reco.vering i~ late afternoon. Within a species, thalh from low-hght habItats we...
The Northwestern Hawaiian Islands (NWHI) are considered to be among the most pristine coral reef ecosystems remaining on the planet. These reefs naturally contain a high percent cover of algal functional groups with relatively low coral abundance and exhibit thriving fish communities dominated by top predators. Despite their highly protected status, these reefs are at risk from both direct and ...
Eighteen commonly occuning species of marine benthic red algae, i.e., Asparagopsis taxiformis (Deliie) Trevisan, Bangia atropurpurea (Roth) C. Agardh, Centroceras clavulatum (C. Agardh) Montagne, Calliblepharis fimbriata (Greville) Kiitzing, Coelarthrum muelleri (Sonder) B¢rgesen, Cottoniella filamentosa (Howe) B¢rgesen, Gracilariafoliifera (Forsskai) B¢rgesen, Halymenia porphyraeformis (B¢rges...
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