نتایج جستجو برای: athrospira platensis
تعداد نتایج: 1577 فیلتر نتایج به سال:
Aquaculture wastewater is suitable for algal growth especially due to its ammonium and nitrate content. Therefore, the can be utilized after a few amendments biomass production recovery of valuable pigments. In present study, aquaculture discharged from Pangasius culture system was commercially cyanobacterium Spirulina (Arthrospira) platensis with an aim extract economically important pigments ...
Platensimycin (PTM) and platencin (PTN) are members of a new class of promising drug leads that target bacterial and mammalian fatty acid synthases. We previously cloned and sequenced the PTM and PTN gene clusters, discovered six additional PTM-PTN dual producing strains, and demonstrated the dramatic overproduction of PTM and PTN by inactivating the pathway-specific regulators ptmR1 or ptnR1 i...
Virus diseases in Bombyx mori, particularly the Nuclear Polyhedrosis Virus (NPV) account for 70-80% of the total loss and thus pose a major problem in sericulture. The NPV is characterized by having distinctive inclusion bodies either polyhedral or capsular in size, in which several virus particules are embedded. Spirulina has been found to inhibit the viral replication and strengthen both the ...
NH4NO3 simultaneously provides a readily assimilable nitrogen source (ammonia) and a reserve of nitrogen (nitrate), allowing for an increase in Arthrospira platensis biomass production while reducing the cost of the cultivation medium. In this study, a 2 plus star central composite experimental design combined with response surface methodology was employed to analyze the influence of light inte...
This study was conducted to investigate the possible protective effect of Spirulina platensis against chromium-induced nephrotoxicity. A total of 36 adult male Sprague-Dawley rats were divided into 4 equal groups (Gps). Gp1 served as control, rats of Gps 2, 3, and 4 were exposed to Spirulina platensis (300 mg/kg b.wt per os) and sodium dichromate dihydrate (SDD) via drinking water at concentrat...
The aim of this study was to assemble data on the summer feeding ecology of the Great Pampa-finch, Embernagra platensis at the Laguna de Guaminí, Buenos Aires, Argentina, and to explore the differences related to the dietary patterns for each sex between winter and summer when possible. The stomach contents of 43 birds were analyzed. The animal fraction was composed of Hymenoptera (45.1%), Cole...
Current study was focused on optimising lead(II) biosorption carried out by living cells of Arthrospira platensis using Principal Component Analysis. Various experimental conditions were considered: initial metal concentration (50 and 100 mg/l), solution pH (4.0, 4.5, 5.0, 5.5) and contact time (10, 20, 30, 40, 50 and 60 min) at constant rotary speed 200 rpm. It was found that when the biomass ...
The diverse applications of L-asparaginase have led us to explore new sources of this enzyme. Arthrospira platensis has been scarcely reported as a new candidate for L-asparaginase production. In the present study, we localized L-asparaginase in A. platensis and enhanced its production. Enzyme localization was conducted by culturing cells in SOT medium and extracting the enzymes from different ...
Microalgae can treat waste streams containing elevated levels of organic carbon and nitrogen. This process be economically attractive if high value products are created simultaneously from the relatively low-cost stream. Co-production two microalgal products, phycocyanin polyhydroxybutyrate (PHB), was investigated using non-axenic Arthrospira platensis MUR126 supplemental (acetate, oxalate, gly...
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