نتایج جستجو برای: algae dunaliella salina
تعداد نتایج: 21195 فیلتر نتایج به سال:
A native PSI complex and a PSI core complex have been isolated from the halophilic green alga, Dunaliella salina. The composition and properties of these complexes are similar to previously described PSI complexes from spinach membranes. By growth on (14)C-NaHCO(3), it has been possible to isolate uniformly labeled (14)C-PSI complexes in order to determine PSI subunit stoichiometry. This analys...
Dunaliella salina, a unicellular green microalga with ability of large quantity β-carotene accumulation, was used as a proper model for analysis of expression of the pds and lyc genes, involved in β-carotene biosynthesis pathway, under different light intensities and salinity concentrations. For this purpose, an experiment with two factors, light intensities (200 and 1000 µmol m-2s-1) and salin...
abstract background and objective: microalgae are a group of algae that produce biochemical products consisting of a wide range of carbohydrates, lipids and proteins that are commercially valuable. interest in microalgal cultivation is currently blossoming globally. species of dunaliella are found in freshwater, euryhaline habitats of all continents, oceans including the dead sea and ev...
In this study, effects of pH and salinity on growth and bloom of Dunaliella sp. algae were investigated. The algae were reared in different pH (6.0, 6.8, 7.0, 7.3, 7.6, 8.0, 8.6, 9.0, 9.7 and 11.0) and salinities (20.0, 31.6, 50.1, 79.4, 117.1, 125.9 and 200.0 ppt) at Inland Aquaculture Research Institute Phycolab during 2011. After 96 h, the algae reared in 50ppt salinity and below that had ne...
برخی از گونههای فیتوپلانکتون در شرایط نامساعد و در چرخه زندگی تولیدمثلی خود سیست تولید کرده که در رسوبات کف تهنشین میشوند و تحت شرایط مساعد مجدداً شکوفا شده و به ستون آب برمیگردند. بمنظور شناسایی دقیق مورفولوژی، گونههای فیتوپلانکتون در دو مرحلهی سیست و متحرک بررسی گردیدند زیرا برخی از سیستهای مشابه به فیتوپلانکتون متفاوتی تبدیل میشوند. هدف از این تحقیق، کشت سیستهای موجود در رسوبات خل...
The cryptomonads are a group of unicellular algae that acquired photosynthesis through the engulfment of a red algal cell, a process called secondary endosymbiosis. Here, we present the complete plastid genome sequence of the secondarily nonphotosynthetic species Cryptomonas paramecium CCAP977/2a. The approximately 78 kilobase pair (Kbp) C. paramecium genome contains 82 predicted protein genes,...
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