Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life. Laura is a proud former resident of the New Jersey shore, a competitive swimmer, and a fierce defender of the Oxford comma.
ArticleBody:While humans won’t be regenerating entire limbs like sea stars, some new genetic work with fruit flies has yielded some surprising results. A team from the University of Tokyo found that certain genes from simple organisms that help them regenerate body parts and tissues can be transferred into other animals. These genes then suppressed an intestinal issue in the flies and could potentially reveal some new mechanisms for rejuvenation in more complex organisms.
Hiroki Nagai CC-BY-ND. Initially, they hoped that these HRJD-boosted fruit flies would regenerate tissue if injured. This didn’t happen. However, the team had a fruit fly intestine expert Hiroki Nagai onboard, who noticed something else. There were some novel phenotypes–or the characteristics like eye color or hair color that comes from a specific gene.
Hiroki Nagai CC-BY-ND. In future studies, the team would like to take a closer look at how HRJD’s work on a molecular level. “Details of the molecular workings of HRJDs are still unresolved. And it’s unclear whether they work alone or in combination with some other component,” said Nakajima. “Therefore, this is just the start of the journey, but we know now that our modified fruit flies can serve as a valuable resource to uncover unprecedented mechanisms of stem cell rejuvenation in the future.
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