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Genomic surveillance tech key to curb deadly ‘superbug’ spread: Study
Harnessing new advances in genomic surveillance technology could help detect the rise of deadly ‘superbugs’ and slow their evolution and spread, improving global health outcomes, a new study suggests.
Sydney: Harnessing new advances in genomic surveillance technology could help detect the rise of deadly ‘superbugs’ and slow their evolution and spread, improving global health outcomes, a new study suggests.
Antimicrobial resistance occurs when bacteria, viruses, fungi and parasites change over time and no longer respond to the medicines and chemicals we use to kill them. These ‘superbugs’ make infections harder to treat and increase the risk of disease spread, severe illness and death.
Without significant intervention, global annual deaths involving antimicrobial resistance are estimated to reach 10 million by 2050, with low and middle-income countries bearing the highest burden.
“Antimicrobial resistance is a complex and global threat requiring large-scale, co-ordinated and cross-disciplinary collaboration to tackle,” said Professor Steven Djordjevic from the Australian Institute for Microbiology and Infection at the University of Technology Sydney.
“Understanding the evolution, emergence and spread of antimicrobial resistance within and between humans, animals, plants and natural environments is critical in mitigating the colossal impacts associated with this phenomenon,” Djordjevic added.
The use of genomic tracing during the Covid-19 pandemic has provided insight into the potential of genomic technologies to monitor the development and spread of antimicrobial genes and mutations.
“Antimicrobial resistance can occur when microorganisms acquire genetic information, either by mutation, recombination or transfer of antibiotic resistance genes from the bacterial gene pool,” said Professor Erica Donner from the University of South Australia.
“Genomic technologies, combined with AI and machine learning, are powerful platforms for determining resistance trends. They can identify instances where microbes and their genetic material move between different environments, evaluating the impact of intervention strategies.
“The evolution of antimicrobial resistance is a complex process that includes the overuse and misuse of antibiotics, metals and disinfectants in medicine and agriculture, and widely varying standards of water, sanitation and hygiene.”
The study, published in the journal Nature Reviews Genetics, is a call to action for policymakers, highlighting the need to establish national genomic surveillance programmes spanning human health, animal health, agriculture, food and environmental management sectors and to share data at both a national and international level.
The researchers provide practical recommendations to implement genomics-enabled surveillance and mitigation strategies and underscore the need for equitable solutions that allow integration of partners from lower- and middle-income countries.
