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  • Writer's pictureBent Petersen

Discovering Novel Viruses from a Tropical Rainforest to Control Salmonella

As a scientist, I'm always interested in finding new ways to solve problems and improve public health. In recent years, one of the most significant threats to human health has been the rise of antibiotic-resistant bacteria, including the foodborne pathogen Salmonella. In our recent study, published in the journal International Journal of Molecular Sciences, my colleagues and I searched for new viruses, called bacteriophages, that could target Salmonella and potentially serve as an alternative to antibiotics.


We collected soil and water samples from a tropical rainforest in Southeast Asia and screened them for bacteriophages that could specifically target Salmonella. After isolating four new bacteriophages, we analyzed their genetic material and compared them to other known bacteriophages to better understand their unique characteristics.

We then tested the bacteriophages' ability to target Salmonella in the laboratory, where we found that each of the four bacteriophages had a different host range and that they could kill different types of Salmonella.

The figure shows electron microscopy images of negatively stained phage particles.


Our findings provide new insight into the potential of bacteriophages as a safe and effective alternative to antibiotics in the control of Salmonella. The discovery of these new bacteriophages in a tropical rainforest highlights the importance of biodiversity and the potential of this ecosystem as a source of novel solutions for public health. Further research is needed to explore the potential of these bacteriophages and to develop them into practical solutions for the control of Salmonella.

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