It may be just what we need.
can ferment a range of carbon sources to produce poly-3-hydroxybutyrate , a polyester that is biodegradable and compatible with living organisms. But for years, bacterial PHB production could only be batched, since electricity needed at the start of the process and an accumulation of toxic byproducts would kill the bacteria. These factors limited researchers’ ability to scale upIn the new study, the scientists figured out a workaround.
The PHB production process still requires electricity at the beginning to convert the CO2 gas into a product that the bacteria can ferment, but even this step was made more energy efficient. The researchers calculated that the cost for converting carbon dioxide with renewable energy would be 34 cents cheaper per kilogram than purchasing the ingredients.
The researchers wrote in their study that these advances open the door for scaling up bacterial PHB production, something that had not been possible previously. The PHB can be used to replace plastic ubiquity in our world, from food packaging to surgical devices. Taking the IPCC report to heart and overhauling our energy systems sounds radical, and it is. We’ll need all the help we can get—and the tiniest microbes might be able to lend us a hand.
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