We now know how insects and bacteria control ice

Contrary to what you may have been taught, water doesn't always freeze to ice at 32 degrees F (zero degrees C). Knowing, or controlling, at what temperature water will freeze (starting with a process called nucleation) is ...

Expert discusses alternatives to pesticides

A researcher at the University of Arizona has discovered compounds derived from Photorhabdus, an insect pathogenic bacterium, that have antimicrobial and nematicidal properties that can potentially replace chemical pesticides.

The global burden of pathogens and pests on food crops

Crop pathogens and pests reduce the yield of agricultural production, causing substantial economic losses and reducing food security. Yet, their global burden and their variation over time and among different agroecosystems ...

Study pinpoints how Salmonella sneaks into plant roots

In recent years, contamination of salad vegetables by E. coli and salmonella bacteria—the most common causes of food poisoning—have led to large-scale recalls. Although most salmonella outbreaks are linked to contamination ...

Plants as efficient antifungal factories

Researchers report that they can efficiently produce antifungal proteins in plants based on a modified tobacco mosaic virus. The results of this research, which could have a major impact in the agri-food industry, have been ...

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