Unlocking the Microbiome: The Frontline of Infection and Antibiotic Resistance

  • Kardokh Kaka Bra, 16/09/2024

Microbiome research is a continually evolving field, and each new discovery brings us closer to understanding the invisible, yet incredibly complex, world within us. As a bioinformatician in the MSCA COL_RES consortium, my work focuses on analyzing the microbiome’s role in health and disease, particularly in understanding the mechanisms of colonization resistance—the body’s natural defence system against harmful pathogens.

My journey into this niche of computational biology began with a background in pharmacy, where I found myself increasingly drawn to the intersection of biology and technology. Fascinated by the possibilities that computational tools could offer, I embarked on a path that led me to develop SPINGO2, a novel tool designed for taxonomic classification of bacteria using the 16S rRNA gene. This tool aims to refine our ability to classify bacteria to the species level, providing more precise insights into microbial communities.

Much of my research has focused on mouse models to study pathogenic interactions with the microbiome, particularly with pathogens like Listeria, Salmonella, Citrobacter, and Campylobacter. Through these studies, I have seen firsthand the delicate balance within our microbiome that can either prevent or promote infections. Colonization resistance plays a pivotal role here, acting as a barrier against these harmful invaders. When this balance is disrupted, for instance, by antibiotic use, it can lead to increased susceptibility to infections and even contribute to antibiotic resistance.

Addressing Antibiotic Resistance Through Microbiome Research

Antibiotic resistance remains a pressing global health crisis. As pathogens evolve to withstand conventional treatments, our options to combat infections are dwindling. My work highlights an alternative: harnessing the microbiome itself. By understanding how our microbiome naturally resists colonization by harmful bacteria, we can develop new therapies that bolster this natural defence, reducing our reliance on antibiotics.

Research interventions focusing on the microbiome offer promising alternatives. For example, tailored probiotics or microbiota transplants could potentially restore or enhance colonization resistance in individuals at risk of infection. Additionally, using computational tools like SPINGO2, we can identify microbial signatures predictive of antibiotic resistance or susceptibility, paving the way for more personalized approaches to infection prevention and treatment.

A Future Beyond Antibiotics

In a world where antibiotics are losing their efficacy, my research with the COL_RES consortium strives to offer new perspectives. Understanding the microbiome’s role in colonization resistance and its potential as a therapeutic target could revolutionize how we treat and prevent infections. It’s an exciting time to be involved in microbiome research, standing on the frontline against one of the greatest challenges in modern medicine.

In this era of rising antibiotic resistance, it is clear that our microbial allies have a vital role to play. By harnessing the power of computational biology and microbiome research, we are not just fighting resistance; we are pioneering a new age of personalized and precise medicine that holds the potential to transform healthcare for generations to come.

As we continue to decode the vast microbial universe within us, we uncover not just the causes of antibiotic resistance but also the solutions embedded within our own bodies. Each study, each model, brings us a step closer to a future where infectious diseases can be managed more effectively, safely, and sustainably.

Kardokh Kaka Bra

Kardokh Kaka Bra, is a COL_RES MSCA PhD student based in APC Microbiome Ireland, UCC. He is currently representing START as part of Malta’s Science in the City International Meet the Researcher series. You can watch Kardokh here!

You can follow Kardokh and his team on Twitter/X:

@KardokhKakaBra @COLRES_ITN @Pharmabiotic

And on Instagram:

@microbiomeireland @_col_res_