Scientist discovers toxins to kill world’s deadliest animal

How do you defeat the world's deadliest animal? Before that do you know what the world’s deadliest creature is? Well, scientists have now developed a new biological pest control method to combat the world’s deadliest creature.

Researchers at the Applied BioSciences and the ARC Centre of Excellence in Synthetic Biology at Macquarie University have developed a new revolutionary biological pest control method, that can reduce the threat of disease-carrying mosquitoes, which are quite effective than the current method.

According to the CDC, the mosquito is the world’s deadliest animal. They spread many serious diseases like malaria, dengue, West Nile, yellow fever, Zika, chikungunya, and lymphatic filariasis. The mosquito kills more people than any other creature in the world, making it the deadliest animal.

The researchers have described the new method called the Toxic Male Technique (TMT) in the journal Nature Communications. The method involves the genetically engineered male insects, that produce insect-specific venom proteins in their semen. When the male insects mate with the females, this venom is transferred, which significantly reduces the female lifespan, and their ability to spread diseases.

This method is going to be revolutionary, considering that insect pests are a growing threat to health and agriculture, costing hundreds of deaths, infections, and crop damage every year, across the globe.

In mosquitoes like Aedes aegypti and Anopheles gambiae, only the females bite and cause diseases such as malaria, dengue, Zika, chikungunya disease, and yellow fever.

“As we’ve learned from COVID-19, reducing the spread of these diseases as quickly as possible is important to prevent epidemics. By targeting the female mosquitoes themselves rather than their offspring, TMT is the first biocontrol technology that could work as quickly as pesticides without also harming beneficial species,” lead author Sam Beach said in a statement.

According to the computer models TMT’s application to Aedes aegypti, the highly aggressive mosquito species primarily responsible for Dengue and Zika, can curb transmission of the disease by 40 to 60 percent compared to currently available methods.


The scientists also confirmed that the venom in TMT is carefully selected, and their target is only present within invertebrates, so there is no harm to any mammals including humans. They are least likely to affect beneficial insects as well, as the oral toxicity is very low.

‘We still need to implement it in mosquitoes and conduct rigorous safety testing to ensure there are no risks to humans or other non-target species,” Associate Professor Maselko adds.

“This innovative solution could transform how we manage pests, offering hope for healthier communities and a more sustainable future,” Beach said.

(Pic courtesy: iStock)