Reviving the Tasmanian tiger using RNA sequencing could help bring the extinct species back to life.


Thanks to advances in genome sequencing technologies, scientists are one step closer to reviving an extinct tiger species called the Tasmanian tiger. It was found on the Australian continent before disappearing from the face of the earth after European colonialists drove the indigenous population from their native lands. Resurrection efforts began when scientists extracted RNA from the dried remains of a Tasmanian tiger, also known as a thylacine, from the collection of the Swedish Museum of Natural History in Stockholm.
This hunter looked like a wolf-dog whose entire back was covered with stripes. It died in captivity in a zoo in 1936 – and that was its last recorded appearance. With this new project, gene editing will be used for the first time on living animals to recreate an extinct species.

Scientists usually extract DNA for gene editing, but this is the first time that RNA will be used. If successful, it would help scientists use RNA from old viruses to recreate extinct species and understand the cause of past pandemics, among other things.
What are DNA and RNA?
DNA, which stands for deoxyribonucleic acid, is found primarily in the cell nucleus, where it forms the nucleus of the cell. It is a double-stranded helical structure. Its basic function is that it contains genetic information or instructions for building and maintaining an organism. It stores the genetic code for making proteins, which are essential for various cellular functions.

RNA or ribonucleic acid, on the other hand, is single-stranded and acts like a messenger that carries out instructions from DNA, aiding in protein synthesis and performing many other functions in gene regulation and cell metabolism.

Importance of this project
The importance of RNA sequencing lies in uncovering the secrets of extinct species, including the Tasmanian tiger, which will allow scientists to gain a more comprehensive understanding of their genetic structure, gene activity, and the biological processes that occurred in these animals before their extinction. , This knowledge can provide valuable insights into their biology and contribute to our understanding of their history and evolution.


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