Biotic

Nutrition coverage is revisiting the distinction between dietary fiber and prebiotics, two terms often used interchangeably by consumers. The piece explains why the difference matters: while fiber supports digestion broadly, prebiotics are specific compounds that feed beneficial gut bacteria. The discussion comes amid growing consumer interest in gut health and fermented foods, with shoppers increasingly scrutinizing labels and supplement claims.

Researchers report that standard antibiotic susceptibility testing may miss important bacterial responses because it ignores transient dynamics — the short-term behaviours bacteria show before settling into a steady state. By accounting for these temporary dynamics, the study suggests conventional tests can underestimate or mischaracterize how pathogens respond to drugs, potentially leading to less effective treatment choices and highlighting the need for updated testing protocols.

Researchers suggest that a prehistoric glue associated with Neanderthals may have doubled as an ancient antibiotic, pointing to medicinal knowledge among our extinct relatives. The finding adds to growing evidence that Neanderthals used plant-based materials for purposes beyond tools and hafting. Scientists say the idea, if confirmed, would reshape views of Neanderthal cognitive and medical sophistication.

A new structural biology study reports that symbiotic bacteria carry previously unrecognised molecules capable of controlling gene activity, effectively acting as gene-regulating weapons. Researchers used structural analysis to characterise these compounds, suggesting symbiotic microbes may manipulate host cells in ways scientists had not documented before. The findings could open new avenues for understanding host-microbe interactions and developing gene-regulation tools.

A new report from Wissen Research projects the global postbiotics market will reach US$235.9 million by 2031, growing at a 9.5% compound annual rate. Growth is being driven by demand for shelf-stable supplement formats and so-called GLP-1 companion nutrition, products marketed to people taking weight-loss drugs like Ozempic who need nutritional support.