07The first space DNA sequencing and the results of the earth perfect match – technology – People’s ne|The first space DNA sequencing and the results of the earth perfect match – technology – People’s ne7

For the first time on earth and space DNA sequencing results "perfect match" — technology — people.com.cn original title: first space DNA sequencing and on earth the "perfect match" NASA astronaut Kate? Rubens in space for the first time using MinION sequencing for DNA sequencing. Rubens, Kate? 2005 graduated from the Department of Biochemistry, Stanford University School of medicine and Department of Microbiology and immunology, obtain Cancer Biology PhD, 2009 to enter the NASA training to become a qualified astronaut. Oxford nano Keyhole Corp provides MinION sequencer, only the size of the palm. The official website of NASA science and technology daily Beijing (reporter Nie Cuirong) in August 30, the U.S. National Aeronautics and Space Administration (NASA) announced on the official website of the 30, the last weekend, NASA astronaut Kate? Rubens successfully completed DNA sequencing under microgravity conditions on the international space station, which marks the human has ushered in the new era of gene sequencing of the living space. Rubens, who has just completed the sequencing task, said she and her colleagues on the ground saw the study of genes and systems biology. "We are now opening up a whole new field of Science – space genomics and systems biology." The sequencing of the space is part of the research project on biomolecular sequencing. Sequencing is the use of the British Oxford nano Keyhole Corp MinION sequencing instrument, only the size of the palm, both convenient and fast. The sequencing principle is applied current through the nanopore, while containing liquid samples through the detector, different DNA molecules will cause the current change is not the same, the current change can be identified by the gene sequence. The project team will be prepared in advance of mice, viruses and bacteria DNA samples taken to the space station, by Rubens in space testing, while the ground team members to synchronize similar samples for sequencing. After comparison, it was found that the two sequencing results in space and on earth could be matched perfectly. Project director NASA Castro, microbiologist Sara? Wallace said: "the next step we will take the sequencing process to space, with no sample into space, but directly in the space to prepare samples, and then gene sequencing. Astronauts will not only be able to know the biological sequence, but also in the space to complete the sampling, preparation and sequencing of the entire process, and ultimately identify the unknown alien life." A method of sequencing DNA in space, can be identified by the international space station whether the microorganisms threat the health of astronauts, help scientists understand ground astronauts living environment, timely inform whether they want to do the cleaning or taking antibiotics. Space DNA sequencer is an important tool to protect the health of astronauts who need to stay in space for a long time. In addition, sequencing will become an important tool in other scientific research station, such as direct detection of genetic material or gene expression variation around the track in flight, but do not know the results like before, a few months after returning to earth. (commissioning editor Wei Yan and Zhao Zhuqing)