Micro organism Might Assist to Seize Greenhouse Gases

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Picture courtesy of Canadian Light Source, Dr. Dustin King, a postdoctoral researcher in Dr. David Vocadlo’s lab in Simon Fraser University’s Department of Chemistry.

Carbon dioxide is a vital molecule crucial for all times on Earth. Timber want COfor photosynthesis, crops produce larger yields in its presence, and a few micro organism can rework it into meals. The molecule is even an vital a part of human well being, driving us to soak up huge breaths of oxygen.

Nevertheless, an excessive amount of CO2 can have a disastrous impact on ecosystems and contribute to local weather change. That’s the reason scientists wish to know the way to strike a steadiness.

With the assistance of the Canadian Gentle Supply (CLS) on the College of Saskatchewan, researchers from Simon Fraser College are investigating how organisms sense and reply to CO2.

Their analysis may assist advance human and environmental well being and result in new methods for carbon seize.

“It’s crucial for organisms to have the ability to sense native CO2 concentrations and reply as a result of it’s such a vital fuel,” mentioned Dr. Dustin King, a postdoctoral researcher in Dr. David Vocadlo’s lab within the college’s Division of Chemistry.

In a paper revealed in Nature Chemical Biology, King and colleagues examined the vital function CO2 performs in cyanobacteria — a photosynthetic organism present in water.

Cyanobacteria use carbon to create important vitamins that maintain their life cycle.

“They can seize it from the ambiance, repair it instantly, and add it to easy natural molecules” mentioned King. “Understanding how cyanobacteria regulate CO2 fixation might give us an avenue for growing improved CO2 seize applied sciences.”

King believes we might be able to leverage the system inside these organisms, together with industrial processes, to assist scale back CO2 emissions.

Utilizing the CLS’s CMCF beamline, the workforce may see detailed molecular buildings and examine how CO2 binds to a bacterial protein.

“It will be unattainable to do it with out the CLS as a result of we require excessive decision detailed molecular buildings,” acknowledged King. “Seeing how these beamlines on the CLS have advanced has been simply wonderful. Now we acquire information units in a matter of half a minute or so, it’s fairly unbelievable.”

King, Dustin T., Sha Zhu, Darryl B. Hardie, Jesús E. Serrano-Negrón, Zarina Madden, Subramania Kolappan, and David J. Vocadlo. “Chemoproteomic identification of CO2-dependent lysine carboxylation in proteins.” Nature Chemical Biology (2022): 1–10. https://doi.org/10.1038/s41589-022-01043-1.

Courtesy of Canadian Light Source.

Associated story and featured picture courtesy of NREL Cyanobacteria: Research Team Advances Biological Alternative To Producing Common Petrochemical.


 

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