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Practice Listening: Fill in the Blanks (Type In)
ID: #4012
Short
Gene
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A gene can be thought of as coded data that can be translated by cellular machinery to make a functional protein. Researchers have long considered the possibility of coding text as DNA. So that a string of nucleic acids might represent the Gettysburg Address, or the of secret agents around the world. In theory, it’s easy. Just assign groups of nucleic acids to represent individual letters. Then a strand of DNA that codes for “four score and seven years ago.” But safeguarding against degradation, and being able to recover the data remain issues. Now, Japanese scientists have come up with a technique that might help solve those problems. They’ll report on it in April in the journal Biotechnology Progress. The basic idea is redundancy. Synthesize many copies of the message, and those all over the genome of a bacterium. To recover the data, search the genome for copies of a string of DNA and see what pops up. The researchers did that with a soil bacterium and the message E equals mc squared. The system worked well, relatively.
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