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‘Antibiotics are medicines used to prevent and treat bacterial infections. Potential applications of the algorithm developed are not limited to gut microbiota genes analysis.’
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As a consequence of excessive antibiotics use in medicine and agriculture, gut microbiota accumulates antibiotic resistance genes in its DNA or metagenome. On the one hand, these genes help the normal flora to survive. However, on the other hand, recent studies show that gut microbiota is capable of sharing resistance genes with pathogens, thus making them resistant to available therapies. In this light the study of how resistance genes spread becomes especially important. ![twitter](https://images.medindia.net/icons/news/social/twitter.png)
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Programmers from ITMO University with colleagues from the Research Center of Physical and Chemical Medicine developed an algorithm called MetaCherchant that makes it possible to explore drug resistance gene environment and see how it changes depending on bacteria species. "We created a tool that enables scientists to have a closer look at the difference between gene surroundings in two or more samples of microbiota. We can analyze microbiota samples collected from different people or from the same person at different times, for example, before and after antibiotic treatment," says Vladimir Ulyantsev, Associate Professor of the Computer Technologies Department at the ITMO University. "Based on the obtained data, we can suggest how a particular resistance gene could spread from one microbial species to another."
Studies of the antibiotic resistance genes environment are primarily important for designing effective antimicrobial treatment schemes. "Using MetaCherchant, we can analyze how microbiota contributes to the spread of resistance to a particular antibiotic class. Looking forward, it is possible to predict antibiotics, resistance to which is most likely to spread among pathogens. On the other hand, we can find drugs with low resistance risk. This, in turn, will help us adjust and tune specific therapies. This is the question of the next couple of years," says Evgenii Olekhnovich, lead author and researcher at the Center of Physical and Chemical Medicine.
Potential applications of the algorithm are not limited to gut microbiota genes analysis since the program can be also used to study genome samples from soil, water or sewerage. "We can evaluate the spread of resistance within a single bacterial community, such as gut microbiota, as well as between different communities. This allows us, for example, to identify global pathways of antibiotic resistance spread through the environment," says Evgenii Olekhnovich. "The problem of resistance is complex and requires a complex approach, where our tool can be really useful."
Source-Eurekalert