Researchers create database of health-promoting microbes

Scientists at Flinders University have developed the first database tracking beneficial microbes and natural compounds that support human health. The 'Database of Salutogenic Potential' highlights how exposure to diverse environmental microbiomes can boost immune strength and reduce stress. This work challenges the traditional focus on pathogens and promotes a balanced view of microbial biodiversity.

Microbes are often seen as enemies, but a new study from Flinders University underscores their role in keeping people healthy. Led by microbial ecologist Dr. Jake Robinson, researchers published their findings in Microbial Biotechnology, introducing the 'Database of Salutogenic Potential'—an open-access tool that compiles data on microbes and biochemical compounds linked to positive health effects.

The database catalogs 124 microbial taxa and 14 compounds, derived from sources like soil bacteria and plant phytoncides. These elements are associated with benefits such as immune regulation, stress reduction, disease suppression, and improved metabolism. "Emerging evidence shows that exposure to diverse environmental microbiomes and natural biochemical products also promotes health and resilience," Dr. Robinson explained. He emphasized shifting from a pathogen-centric perspective: "Rather than viewing biodiversity as something to be eliminated, contemporary approaches recognize the vital role of diverse ecosystems in creating salutogenic, or health-promoting, environments."

For over a century, microbes have been studied mainly as threats, a focus that has saved lives but overlooked their supportive roles. The researchers aim to rebalance this narrative. "By consolidating this data, we aim to rebalance the story of microbes—highlighting not only what makes us sick, but also what keeps us well. After all, health is not merely the absence of disease," Dr. Robinson said.

The implications extend to practical applications, including urban planning for healthier cities and schoolyards, as well as ecosystem restoration. The database is designed to expand beyond human health into broader 'One Health' frameworks. In related work, Dr. Robinson's team found urban soils harbor more pathogens, like a several-fold increase in Klebsiella pneumoniae compared to forest soils, underscoring the need for microbial-rich environments.

Funded by organizations including Australia's National Environmental Science Program and China's National Natural Science Foundation, this prototype invites further contributions from scientists and communities to build a comprehensive resource for environmental and human well-being.

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