[Effect of Thiosulfate on the Carbon Fixation Capability of Thiobacillus thioparus and Its Mechanism]
Huan Li1, Lei Wang1, Ya-Nan Wang1
1State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
Abstract:
The effect of Na2S2O3·5H2O on the carbon fixation capability of Thiobacillus thioparus(DSM 505) was determined by measuring the total organic carbon (TOC) concentrations under different concentrations of Na2S2O3·5H2O. In addition, the mechanism was clarified by analyzing the transcription characteristics of RubisCO-encoding genes (cbb genes) and the concentrations of extracellular free organic carbon (EFOC) under different concentrations of Na2S2O3·5H2O. The result showed that by increasing the concentrations of Na2S2O3·5H2O appropriately, the carbon fixation capability of Thiobacillus thioparus could be promoted and the ratio of extracellular free organic carbon to total organic carbon fell significantly. Moreover, the analysis from the transcription characteristics of cbb genes revealed that Na2S2O3·5H2O had no significant effect on the transcription efficiency and transcription pattern of cbb genes. So Na2S2O3·5H2O might improve the carbon fixation capability by promoting the cytoskeleton synthesis rate as electron donors to eliminate the inhibition effect of extracellular free organic carbon on the carbon fixation of Thiobacillus thioparus.
More Related Videos
05:18Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
Published on: July 12, 2024
09:09Synthesis of PolyN-isopropylacrylamide Janus Microhydrogels for Anisotropic Thermo-responsiveness and Organophilic/Hydrophilic Loading Capability
Published on: February 27, 2016
Related Concept Videos
Carbon-dioxide Fixation
The Carbon Cycle
Carbon Skeletons
Fixation and Sectioning
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
Carbonation Shrinkage
The concrete's permeability is slightly reduced as calcium carbonate produced during the reaction fills its pores. Furthermore, its strength is slightly enhanced as the water released during the reaction...
Reaction Mechanisms
For instance, the decomposition of ozone appears to follow a mechanism with two steps:
