Science and Technology Daily, Beijing, July 25 (intern reporter Zhang Jiaxin) Researchers at the Biosystem Dynamics Research Center of the Institute of Physics and Chemistry in Japan have bred the first genetically modified marsupial animal, the opossum, through genetic engineering
Genetically modified animals, especially mice and rats, are extremely important objects for studying biological development
The pups of opossums cannot fully develop in the mother's body, so they are veritable "premature babies"
Usually, the solution required for genome editing is injected into the fertilized egg with a fine needle
The researchers transplanted the injected fertilized eggs into the uterus of a fertile female possum and successfully obtained pups
To confirm the overall approach, the researchers targeted a gene responsible for the production of body pigments
Now that this process has been established, researchers can answer more questions about marsupial biology
Genetically modified
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