I am working on thermostable superoxide dismutase (SOD) and isolated SOD from few Plant sp. which are resistant to heat denaturation at high temperatures of 80 °C and above. There are reports on thermostable SODs from other organisms including hyperthermophiles (e.g. archea). My question is: what advantage plant SODs can have over bacterial or archeal SODs or other enzymes in general? Is prospecting enzymes from plants a better choice? Which will be a better choice for application point of view?
My only idea would be, land plants are much more exposed to ROS stress than water organisms (direct sun operation). Hence, their SODs should be operating with higher efficiency compared with those of thermophilic microbes.
The thermostable enzymes from plant and microbes will function in same manner i think .According to my view processing ,purification and production of enzyme is cost effective in case of microbial/Archeal thermostable enzymes.
For Biotechnology, choose the one, that you can get at higher yield andt low cost
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