According to foreign media reports, a new study shows that mutant plants can be used to clean up theaters and military training sites contaminated by explosives. The trinitrotoluene (TNT) contained in the explosives has a serious toxic effect on plants and has a significant impact on the establishment of soil and vegetation.
The precipitate of trinitrotoluene blocks the roots of plants and inhibits the growth and development of plants. Although some toxic and polluting chemicals are banned, trinitrotoluene plays an important role in the defense of a country. Biologists at York University in the United Kingdom are now taking an important step to make it possible to clean up millions of hectares of land contaminated with explosives.
The research team at the New Agricultural Products Center of the Department of Biology at York University described the toxicity mechanism of trinitrotoluene in plants and increased the possibility of developing a new method called "explosive remediation technology." The study also made the emergence of a new type of herbicide possible.
The latest technology in energy conservation and environmental protection: scientists can develop bulletproof plants to clean up pollution from war zones
The researchers discovered a key plant enzyme, MDHAR6. It reacts with trinitrotoluene to produce reactive peroxides that cause significant damage to cells. However, mutant plants do not have this enzyme, thereby enhancing the tolerance of trinitrotoluene. Targeting this enzyme in the relevant plant species allows scientists to develop plants that are resistant to trinitrotoluene. In polluted areas such as military bases and garbage-producing sites, this new plant can not only grow again, but also clean up explosives.
Professor Neil-Bruce of York University said: "We are very interested in the natural mechanism of removing toxic chemicals from the biosphere. Explosives are heavily polluted, especially in military training bases. Military activities cause serious pollution to land and water, so remedies Work is an urgent global issue."
Dr. Leeds-Riront said: “Only by removing the acute toxicity of trinitrotoluene, plant-based systems can be successfully used to clean contaminated sites. From this goal, our work is a very important step. ."
MDHAR6 is a plant-specific ingredient, so chemicals that react with this enzyme like trinitrotoluene can easily degrade in the environment.
Bruce pointed out: "This is an important discovery, because the increasing resistance of herbicides has become a topic of concern since the 1970s, and there have been no new herbicides available commercially since the 1980s."
Science has reported on this new study.
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