Defensive symbiosis leads to gene loss in bacterial partners

Antibiotics on the cocoon protect the offspring of beewolves, a group of digger wasps, from detrimental fungi. These protective substances are produced by symbiotic bacteria of the genus Streptomyces, which live in these ...

Starling success traced to rapid adaptation

Love them or hate them, there's no doubt the European Starling is a wildly successful bird. A new study from the Cornell Lab of Ornithology examines this non-native species from the inside out. What exactly happened at the ...

The underestimated mutation potential of retrogenes

Genetic information is stored in DNA and transcribed as mRNA. The mRNA is usually translated into proteins. However, it has long been known that mRNA can also be reverse transcribed to DNA and integrated back into the genome. ...

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