نتایج جستجو برای: chlamydomonas reinhardtii
تعداد نتایج: 5622 فیلتر نتایج به سال:
The microtubule system associated with the Chlamydomonas reinhardi flagellar apparatus is shown to differ from previous descriptions; two of the four flagellar "roots" possess only two microtubules and are associated with a finely striated fiber. In gametic cells this fiber underlies the gametic mating structure and makes contact with it. Functional interpretations are offered.
A mutant strain of Chlamydomonas reinhardi which is UV sensitive as a result of a single-gene chromosomal mutation has also been found to exhibit reduced recombination. In crosses homozygous for the mutant allele, a reduction in recombination frequency was demonstrated in two different linkage groups and in three different genetic backgrounds. Thus a single mutation affecting UV sensitivity als...
This study focuses on the cell growth and the neutral lipid production modeling of Chlamydomonas reinhardtii in terms of different ammonium concentrations. Autotrophy was maintained during growth in a double walled bioreactor, using Tris Phosphate (TP medium) with only CO(2) and NH(4)Cl as sole sources of carbon and nitrogen, respectively. Nitrogen depletion results in an increase in neutral li...
Chlamydomonas reinhardtii is widely used to study many biological processes including biofuel production. Here, we present a rapid transformation technique for cell-walled Chlamydomonas strains without cell-wall removal using a square electric pulses-generating electroporator. This method could be applied to transformation of other industrially useful algae by optimizing the electric conditions.
Chloroplastic phosphoglycerate kinase (PGK) was purified to homogeneity from a soluble fraction of chloroplasts of a cell-wall-deficient mutant strain of Chlamydomonas reinhardtii (cw-15) using ammonium sulfate fractionation, Reactive Blue-72 column chromatography, and native polyacrylamide gel electrophoresis. PGK activity was attributed to a single polypeptide with a molecular mass of 42 kD. ...
Introduction. Chlamydomonas reinhardtii is a photosynthetic microalgae, which is now regarded as a new biotechnology platform (1).It has a multiple biotechnological advantages. In particular, it is a naturally fatty acid accumulator under stress (2). However, reduced biomass and lipids observed under these restrictive nutrient conditions (3). Since the fuel demand at the global level is increas...
Chlamydomonas reinhardtii is a unicellular green alga whose lineage diverged from land plants over 1 billion years ago. It is a model system for studying chloroplast-based photosynthesis, as well as the structure, assembly, and function of eukaryotic flagella (cilia), which were inherited from the common ancestor of plants and animals, but lost in land plants. We sequenced the approximately 120...
The fine structure of the chloroplast of wild-type and 9 photosynthetic mutant strains of Chlamydomonas reinhardi is described. The chloroplast phenotypes of the mutant strains are clearly distinct from the wild type in all but 2 cases. Moreover, strains with similar photosynthetic disabilities have structurally similar chloroplasts. These differences are apparently not the result of altered ch...
Nitrogen (N) and sulfur (S) have inter-related and distinct impacts on microalgal metabolism; with N starvation having previously been reported to induce elevated levels of the biodiesel feedstock material triacylglycerol (TAG), while S deprivation is extensively studied for its effects on biohydrogen production in microalgae. ( 1) (,) ( 2) We have previously demonstrated that N- and S-starv...
Relation between hydrogen production and photosynthesis in the green algae Chlamydomonas reinhardtii
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