Many animals steal defenses from bacteria: Microbe toxin genes have jumped to ticks, mites and other animals

Monday, November 24, 2014 - 15:30 in Biology & Nature

Bacteria compete for resources in the environment by injecting deadly toxins into their rivals. Researcher have now discovered that many animals steal toxins from bacteria to fight unwanted microbes growing on them. Genes for these toxins have jumped from bacterial to animals. These genes are now permanently incorporated into the genomes of these animals. Deer ticks, which can carry Lyme disease, are one of the many diverse organisms in which toxin gene transfers from bacteria to animal has occurred.

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