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genes

Fruit flies are typically vulnerable to parasitic wasps, but some have acquired a bacterial gene that grants them resistance. This adult Drosophila melanogaster has two dark, melanin-coated cysts in its abdomen, marking the remains of wasp eggs that the fly successfully neutralized.

Fruit Flies Steal Bacterial Genes to Fight Off Parasitic Wasps

Erik Kristiansson, Professor, Department of Mathematical Sciences, Chalmers University of Technology and the University of Gothenburg, Sweden

New study finds that antibiotic resistance genes are widespread in our environment

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