Bacteria make protein toxins to compete with other bacteria in microbial communities. A study of a common soil bacterium has revealed a previously unknown type of antibacterial toxin that forms a striking umbrella-like structure. Streptomyces bacteria make a previously unknown antibacterial agent.
Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser . In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.Within mixed microbial communities, the various bacterial members constantly interact with each other, both cooperatively and competitively.
Aggressive competition between bacteria can determine which species prosper in a community and is often mediated by delivery of antibacterial protein toxins from one bacterium to anotherdescribe a previously unknown class of self-delivering antibacterial toxins that form a distinctive umbrella-like structure and that might be used by many bacteria in soil and other ecosystems to block the growth of their competitors.
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