RE: Coal mines bring in other elements5 Jun 2024 20:26
It is not only coal mines...
https://www.earth.com/news/microbes-can-be-used-to-store-carbon-and-reuse-mining-waste/
One of the AI Bio companies I follow is designing genetically modified bacteria to use in the field but I cannot remember their name at the moment. Perplexity provided the following answer to my question below:
Q - there is a new field of ai science genetically engineering microbies to leach mine tailings; provide an overview of the topic and list some of the leading companies in this field
A - Genetically engineering microbes for bioleaching of mine tailings is an emerging field that aims to enhance the efficiency and effectiveness of metal recovery from mining waste. Here's an overview of the topic:
## Genetically Engineering Microbes for Bioleaching
Bioleaching utilizes microorganisms like bacteria and fungi to extract valuable metals from low-grade ores, mine tailings, and other mineral resources. Traditionally, this process relies on naturally occurring microbes, but genetic engineering techniques are now being explored to create more efficient and specialized strains for bioleaching.
The key advantages of genetically engineered microbes include:
1. **Improved metal solubilization**: Microbes can be engineered to produce higher levels of leaching agents like acids or chelating compounds, increasing metal extraction rates.
2. **Tolerance to extreme conditions**: Genetic modifications can enhance the microbes' tolerance to high metal concentrations, extreme pH levels, and other harsh conditions found in mine tailings.
3. **Targeted metal recovery**: Specific genes can be introduced or modified to enable selective leaching of desired metals, reducing the need for further separation processes.
4. **Faster leaching kinetics**: Metabolic pathways can be optimized for quicker metal dissolution and improved leaching kinetics.
While still in its early stages, this field holds promise for more sustainable and cost-effective metal recovery from mining waste.
### Leading Companies and Research Institutions
Some of the leading companies and research institutions exploring genetically engineered microbes for bioleaching include:
- **Biomine** (South Africa): A biotechnology company focused on developing engineered microbes for bioleaching and biomining applications.
- **Geobacter Project** (USA): A research collaboration between various universities and institutions, investigating the use of genetically modified Geobacter bacteria for bioleaching and bioremediation.
- **Bangor University** (UK): Researchers at Bangor University have engineered Acidithiobacillus ferrooxidans for enhanced copper bioleaching.
- **CSIRO** (Australia): Australia's national science agency has conducted research on engineering microbes for bioleaching of gold and other precious metals.
- **Luleå University of Technology** (Sweden): Researchers here have worked on genetic engineering of acidophilic microorga