Nannochloropsis Oceanica
Effect of ammonium and high light intensity on the accumulation of lipids in Nannochloropsis oceanica (CCAP 849/10) and Phaeodactylum tricornutum (CCAP 1055/1)
... Background: Microalgae accumulate lipids when exposed to stressful conditions such as nutrient limitation that can be used to generate biofuels. Nitrogen limitation or deprivation is a strategy widely employed to elicit ...
15
Effect of Nitrogen Source on Biomass and Lipid Production of a Marine Microalga, Nannochloropsis oceanica IMET1
... production, and fatty acid composition of Nannochloropsis oceanica IMET1 were investigated. Ni- trogen source affected cell density, dry cell weight, and lipid production. Cells grown in the nitrate medium ...
6
Transcriptomic and proteomic responses to very low CO2 suggest multiple carbon concentrating mechanisms in Nannochloropsis oceanica
... For Nannochloropsis oceanica, to unravel genes specifically induced by CO 2 depletion which are thus poten- tially underpinning its CCMs, transcriptome, proteome and metabolome profiles were tracked over 0 ...
21
Comparison of the Growth Performance of Nannochloropsis oceanica IMET1 and Nannochloropsis gaditana CCMP526 under Various Culture Conditions
... growth rates of N. gaditana CCMP526 at 23 and 30°C were acceptable, the growth rate of N. gaditana CCMP526 at 10°C was inhibited (µ = 0.03 d −1 ). N. oceanicaIMET1 and N. gaditanaCCMP526 grew better in MBG11 medium than ...
5
High-efficiency nuclear transformation of the microalgae Nannochloropsis oceanica using Tn5 Transposome for the generation of altered lipid accumulation phenotypes
... Different experimental approaches have been carried out to find the key genes involved in the regulation of lipid synthesis in several Nannochloropsis species. For example, the overexpression of enzymes involved ...
12
A type-I diacylglycerol acyltransferase modulates triacylglycerol biosynthesis and fatty acid composition in the oleaginous microalga, Nannochloropsis oceanica
... In higher plants, TAG biosynthesis has been docu- mented and is believed to be mediated mainly via two pathways, acyl-CoA independent pathway and acyl-CoA- dependent Kennedy pathway [12]. The latter pathway starts from ...
18
CRISPR–Cas ribonucleoprotein mediated homology-directed repair for efficient targeted genome editing in microalgae Nannochloropsis oceanica IMET1
... In spite of the apparent advantages, the major bottle- neck in employing Nannochloropsis spp. as an econom- ically viable production platform for TAG and PUFA is the high cost of production [6]. One of the ways to ...
11
Proteomic study uncovers molecular principles of single-cell-level phenotypic heterogeneity in lipid storage of Nannochloropsis oceanica
... pathway during nitrogen limitation were analyzed using transcriptomics and lipidomics [15]. The down-regula- tion of the Calvin cycle and the plastidic glycolysis path- way were reported by the transcriptomic analysis, ...
14
The ΔF/Fm′-guided supply of nitrogen in culture medium facilitates sustainable production of TAG in Nannochloropsis oceanica IMET1
... ropsis oceanica IMET1, we established a reproducible TAG production process by monitoring photosynthetic activity to maintain a constant degree of N-stress under semi-continuous ...
9
Enhancing oil production and harvest by combining the marine alga Nannochloropsis oceanica and the oleaginous fungus Mortierella elongata
... N. oceanica cells through genetic engineering and by optimizing incubation conditions In recent years, intensive studies have been performed on Nannochloropsis because of its potential for biofuel pro- ...
16
Regulation of the cholesterol biosynthetic pathway and its integration with fatty acid biosynthesis in the oleaginous microalga Nannochloropsis oceanica
... N. oceanica sterol biosynthetic pathway also displays both animal and plant ...N. oceanica harbors an animal-signature DHCR24 instead of a plant-type ...N. oceanica uses a differ- ent BR signaling ...
15
Community structure of amphipods on shallow Posidonia oceanica meadows off Tunisian coasts
... Posidonia oceanica meadows were investigated using metric multidimensional scaling (MDS) to produce the best graphical descriptions of amphipods community similari- ties between sites taking in account the total ...
7
Assessment of Posidonia Oceanica (L ) Delile conservation status by standard and putative approaches: the case study of Santa Marinella meadow (Italy, W Mediterranean)
... Posidonia oceanica (L.) Delile (PO) is the dominant endemic seagrass in the Mediterranean Sea, where it forms meadows which play a crucial role in coastal ecosystem dynamics. They produce high amount of oxygen and ...
9
Experimental and Simulation Study of Small Scale PV Powered Photobioreactor for Nannochloropsis oculata Cultivation
... Not all species of microalgae appropriate for biodiesel production, it is depend on the type and amount of oil that is produced by it [2]. Total lipid percentage such as neutral lipid, glycolipid, and phospholipid are ...
6
Optimization of culture media for lipid production by Nannochloropsis oculata for Biodiesel production
... (17). Nannochloropsis oculata is a marine unicellular micro- algae belonging to the Eustigmatophyceae class (18-21), alongside their ability to synthesize polyunsaturated fatty acids (PUFAs) and carotenoids for ...
7
Comparative analysis of bed density, total phenol content and protein expression pattern in Posidonia oceanica (L ) Delile
... P. oceanica has usu- ally been assessed by quantifying shoot densities, bio- mass or growth rates; however, these descriptors cannot fully describe the plant physiology and/or predict the persistence of seagrass ...
7
Phenology of Posidonia Oceanica (Linneaus) Delile in the West Coast of Algeria
... Pergent, -.M., C., V. Leoni, V. Pasqualini, G.D. Ardizzone, E. Balestri, R. Bedini, A. Belluscio, T. Belsher, J. Borg, C.F. Boudouresque, S. Boumaza, J.M. Bouquegneau, M.C. Buia, S. Calvo, J. Cebrian, E. Charbonnel, F. ...
15
Evaluation of factors affecting on lipid extraction for recovery of fatty acids from Nannochloropsis oculata micro-algae to biodiesel production
... on Nannochloropsis salina, that N-hexane is not a suitable solvent to extract lipid from it, whereas in the study on the types of Botryccous, Chlorella vulgaris, and Scenedesmos the solvent of hexane mixture/iso ...
6
Epiphytic Diatom Communities on Sub Fossil Leaves of Posidonia oceanica Delile in the Graeco Roman Harbor of Neapolis: A Tool to Explore the Past
... Posidonia oceanica samples have been identified on the grounds of macro- and micro-morphological characters. All the studied leaves (sub-fossil and reference samples) are yellow-brownish, about 0.8 - 1.2 cm wide ...
5
Wavelength shift strategy to enhance lipid productivity of Nannochloropsis gaditana
... DPA- and R101-modified light at day 10 could be related to the increasing tendency of dry cell weight in Fig. 2b. The apparent cessation of cell division and accumulation of biomass suggest that the photochemical ...
12