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Showing 1 to 20 of 21 for “"Synechococcus elongatus"”.
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Engineering heavy metal resistance in cyanobacteria Synechococcus elongatus PCC7942
… as the toxic heavy metal and the cyanobacterium Synechococcus elongatus PCC7942 was chosen as the model organism for its ability to be genetically engineered. This study tried different methods to generate heavy metal resistant cyanobacteria strains, including continuous exposure the culture to …
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Quantitative characterisation of single-cell circadian rhythms in cyanobacteria Synechococcus elongatus
… any species. Here, we used the cyanobacterium *Synechococcus elongatus* to investigate the clock dynamics in individual cells otherwise masked in bulk studies. To do this, we developed a microfluidic setup, allowing us to carefully control cellular environments and quantify circadian gene …
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Investigation of natural and synthetic coupling of the circadian clock in the cyanobacterium Synechococcus elongatus
*Synechococcus* *elongatus*, owing to its possession of a simple, yet robust circadian clock, is a well-studied model for microbial chronobiology. However, historical tool limitations have left much still to learn about this clock, including definitive answers as to whether it exhibits coupling. …
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Genetic and biochemical analyses of hypothetical protein 1: an interacting partner of CikA in Synechococcus elongatus PCC 7942
Synechococcus elongatus PCC 7942 is a model organism used to study the circadian rhythm, a process that is driven by an endogenous biological clock that can be modulated by external cues such as light and temperature. Some proteins have been identified that are involved in circadian signal …
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Strategies to enhance extracellular electron transfer rates in wild-type cyanobacterium Synechococcus elongatus PCC7942 for photo-bioelectricity generation
… initial cross comparison of the cyanobacterium Synechococcus elongatus PCC7942 against other exoelectrogenic cultures showed a hindered exoelectrogenic capacity. Nonetheless, in mediatorless biophotovoltaics, it outperformed the microalgae Chlorella vulgaris. Furthermore, the performance of S. …
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Investigation of the regulatory interactions and dynamics between the circadian clock and sigma factors in the cyanobacterium Synechococcus elongatus
… circadian clock to sigma factor expression in Synechococcus elongatus PCC 7942 (S. elongatus), a fresh-water unicellular cyanobacterium. The core of the circadian clock of S. elongatus is composed of only three proteins, KaiA, KaiB and KaiC, but generates a 24 h expression rhythm in multiple …
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Protein localization during the cyanobacterial circadian cycle
… organisms. Studies of the circadian clock of Synechococcus Elongatus PCC 7942 have shown that the circadian clock is independent of genetic transcription and depends only upon the interactions between three proteins - KaiA, KaiB, and KaiC. As such, the cyanobacterial circadian clock provides a …
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A tetraklóretán, tetraklóretilén és triklóretilén Synechococcus PCC 6301 cianobaktériumra kifejtett hatásainak vizsgálata
… és tetraklóretán) hatását vizsgáltuk a Synechococcus elongatus (Synechococcus sp. PCC 6301) cianobaktérium növekedésére és élettani folyamataira. Az eredmények azt mutatják, hogy a kontroll tenyészethez képest mindhárom klórozott szénhidrogén növekedésgátlást okoz, már a kezelés …
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Assessing computational methods and science policy in systems biology
… of a three-protein biochemical network, the Synechococcus elongatus circadian clock.
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Genetic noise in the cyanobacterial circadian oscillator
… out these fluctuations. The cyanobacterium Synechococcus elongatus PCC7942 is an excellent candidate for this study since its core circadian oscillator is well explored. We therefore measured, in single cells, the expression fluctuations of a fluorescent reporter driven by the cyanobacterial …
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Performance analysis of bioanode materials and the study of the metabolic activity of Rhodopseudomonas palustris in photo-bioelectrochemical systems
… of oxygenic photosynthetic cyanobaterium, Synechococcus elongatus PCC 7942, in biophotovoltaic (BPV) platforms through a comparative performance analysis of bioanode materials. The second approach involved improving the performance of anoxygenic photosynthetic bacterium, Rhodopseudomonas …
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An investigation into the chloroplast transformation of wheat, and the use of a cyanobacterial CCM gene for improving photosynthesis in a C3 plant
… of transplastomic tobacco lines expressing the Synechococcus elongatus PCC 7942 ictB gene were generated. Previous studies suggest that ictB may be an inorganic carbon transporter. In a number of transplastomic lines produced in this study, the intercellular carbon concentration (Ci) is …
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Surfactant assisted phase transfer of water-insoluble quantum dots
… the toxicity of these phase transferred QDs on Synechococcus elongatus as well as on microbial communities in an anaerobic bio-digester.
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Characterizing uptake, distribution and fate of CdSe/ZnS quantum dots in Synnechococcus elongatus PCC7942
… model nanoparticle. Similarly the cyanobacterium Synechococcus elongatus PCC 7942 were chosen as the model host organism. This study characterizes the uptake, distribution and fate of both water insoluble and water soluble CdSe/ZnS quantum dots in cyanobacteria. To quantify the toxicological …
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Time series analysis and machine learning studies of biophotovoltaic systems
… predictor for the trend. Cell elongation as Synechococcus elongatus sp. PCC7942 cultures age resulted in larger cell surface area for diffusive flux of electron mediators, partially accounting for the gradual increase in mediated electron export rates over time. To avoid the hard-to-predict …
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Development of Steady-State and Dynamic Flux Models for Broad-Scope Microbial Metabolism Analysis
… we performed isotopically non-stationary MFA on Synechococcus elongatus UTEX 2973. The 13C-based analysis was also conducted for other non-model species, such as Chloroflexus aurantiacus. The resulting flux distributions detail how cells manage the trade-off between carbon and energy metabolisms …
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CHARACTERIZATION OF LOW MOLECULAR WEIGHT C-TYPE CYTOCHROMES IN CYANOBACTERIA AND PLANTS
… work, as well as strains of the cyanobacterium Synechococcus elongatus PCC7942 in which the Cyt cM and Cyt c6C genes had been inactivated, also constructed in this work. The phenotypes of the modified organisms were assessed in different physiological conditions, particularly with regard to …
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High-power acid Biophotovoltaic cells for the generation of green electricity
… the standard prokaryotic and eukaryotic strains Synechococcus elongatus and Chlorella vulgaris, respectively, were built and electrochemically characterised by means of polarisation curves and continuous power output monitorisation. Subsequently, a study on the potential conditioning of BPV cells …
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Structural and functional studies of the ATP-dependent Clp proteases in cyanobacteria
… This is highlighted in the cyanobacterium Synechococcus elongatus (Synechococcus), which has at least two Clp proteases, the essential ClpCP3/R and the non-essential ClpXP1/P2. Of these various Clp proteins, the ClpR subunit is unique to photosynthetic organisms and is proteolytically …
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Invasive non-native species and the management and exploitation of freshwater ecosystems
… vulgaris) at a higher rate than cyanobacteria (Synechococcus elongatus), mussels from lotic environments ejected significantly greater quantities of cyanobacteria in pseudofaeces. Rejection of cyanobacteria by invasive mussels may drive HABs. Beyond invasive mussels, I also assessed the …
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