By RIKEN
Genome editing targeting a gene responsible for making body pigments resulted in albino offspring, suggesting that the genetic engineering was successful in marsupials. Credit: RIKEN
Researchers at the RIKEN Center for Biosystems Dynamics Research (BDR) have succeeded in creating the first genetically engineered marsupial. This study, published in the scientific journal Current Biology, will contribute to deciphering the genetic background of unique characteristics observed only in marsupials.
Genetically modified animals, particularly mice and rats, are extremely important tools for researching biological processes. For example, researchers often silence genes to find out what their normal functions are. Since marsupials have unique characteristics, studying them requires developing a representative animal model. To date, the best option is the opossum, which is thought to be the ancestor of all marsupials. The first marsupial to have its entire genome sequenced, the opossum makes a good model animal because its size and breeding characteristics are similar to those of mice and rats.
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