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Synechococcus sp. PCC 7002

ABSTRACT: Synechococcus sp. PCC 7002 Transcriptome or Gene expression

PROVIDER: PRJNA169550 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1058000.fastq.gz	Fastqsanger.gz
	SRR1057531.fastq.gz	Fastqsanger.gz
	SRR1058001.fastq.gz	Fastqsanger.gz
	SRR1058002.fastq.gz	Fastqsanger.gz
	SRR1057994.fastq.gz	Fastqsanger.gz

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Photophysiological and Genetic Factors Underlying Fast Photosynthetic Growth of Unicellular Cyanobacterium Synechococcus sp. PCC 7002

Project description:Application of genome-scale 'omics approaches to dissect subcellular pathways and regulatory networks governing the fast-growing response of Synechococcus sp. PCC 7002 response to variable irradience levels. We employed controlled cultivation and next-generation sequencing technology to identify transcriptional responses of euryhaline unicellular cyanobacterium Synechococcus sp. PCC 7002 grown under steady state conditions at six irradiance levels ranging from 33 to 760 µmol photons m-2 sec-1.

2015-09-04 | E-GEOD-72691 | biostudies-arrayexpress

Photophysiological and Genetic Factors Underlying Fast Photosynthetic Growth of Unicellular Cyanobacterium Synechococcus sp. PCC 7002

2015-09-04 | GSE72691 | GEO

RNA profiling of Synechococcus sp. PCC 7002 exposed to acrylic acid

Project description:Cyanobacteria are valuable organisms for studying the physiology of photosynthesis and carbon fixation as well as metabolic engineering for the production of fuels and chemicals. This work describes a novel counter selection method for the cyanobacterium Synechococcus sp. PCC 7002 based on organic acid toxicity. The organic acids acrylate, 3-hydroxypropionate, and propionate were shown to be inhibitory towards PCC 7002 and other cyanobacteria at low concentrations. Inhibition was overcome by a loss of function mutation in the gene acsA. Loss of AcsA function was used as a basis for an acrylate counter selection method. DNA fragments of interest were inserted into the acsA locus and strains harboring the insertion were isolated on selective medium containing acrylate. This methodology was also used to introduce DNA fragments into a pseudogene, glpK. Application of this method will allow for more advanced genetics and engineering studies in PCC 7002 including the construction of markerless gene deletions and insertions. The acrylate counter-selection could be applied to other cyanobacterial species where AcsA activity confers acrylate sensitivity (e.g. Synechocystis sp. PCC 6803).

2013-07-19 | GSE48981 | GEO

RNA profiling of Synechococcus sp. PCC 7002 exposed to acrylic acid

2013-07-19 | E-GEOD-48981 | biostudies-arrayexpress

Synechococcus sp. (PCC 7002) analysis by LC-MS/MS

Project description:Cyanobacteria fix atmospheric CO2 to biomass and through metabolic engineering can also act as photosynthetic cell factories for sustainable productions of fuels and chemicals. The Calvin cycle is the primary pathway for CO2 fixation in cyanobacteria, algae and C3 plants, and several studies have shown that overexpression of a cyanobacterial Calvin cycle enzyme, bifunctional sedoheptulose-1,7-bisphosphatase/fructose-1,6-bisphosphatase (hereafter BiBPase), enhances CO2 fixation in both plants and algae, although its impact on cyanobacteria has not yet been rigorously studied. Here, we show that overexpression of BiBPase enhanced growth, cell size, and photosynthetic O2 evolution of the cyanobacterium Synechococcus sp. PCC 7002 in an environment with elevated CO2 concentration. Biochemical analysis, immunodetection, and proteomic analysis revealed that overexpression of BiBPase considerably elevated the cellular activities of two rate-limiting enzymes in the Calvin cycle, namely ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) and aldolase, while it repressed several enzymes involved in the respiratory carbon metabolism (e.g. glycolysis and the oxidative pentose phosphate pathway) including glucose-6-phosphate dehydrogenase. Concomitantly, the content of glycogen was significantly reduced while the extracellular carbohydrate content increased. These results indicate that overexpression of BiBPase leads to global reprogramming of carbon metabolism in Synechococcus sp. PCC 7002, promoting photosynthetic carbon fixation and repressing the respiratory carbon catabolism, while altering carbohydrate partitioning.

2019-01-17 | PXD007963 | Pride

Synechococcus sp. PCC 7002

Project description:Synechococcus sp. PCC 7002 Transcriptome or Gene expression

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Synechococcus sp. PCC 7002

Project description:Synechococcus sp. PCC 7002 Transcriptome or Gene expression

| PRJNA292903 | ENA

Synechococcus sp. PCC 7002

Project description:Synechococcus sp. PCC 7002 Transcriptome or Gene expression

| PRJNA294837 | ENA

Synechococcus sp. PCC 7002

Project description:Synechococcus sp. PCC 7002 Transcriptome or Gene expression