Scientists study "Shenzhou IV" carrying test tube seedlings
Xinhuanet.com, Beijing, July 22 (Reporter: Chou Lin and Yu Yue) Chinese scientists are studying plant test-tube seedlings on the Shenzhou IV spacecraft to explore the effects of space conditions on higher plants.
Liu Min, a researcher and doctoral supervisor of the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences, said at the 36th World Space Science Conference in Beijing that the team she is leading is bringing back the spaceship “Shenzhou IV†from space. Four kinds of test-tube seedlings were used for microgravity studies to explore the differences in cellular, molecular, physiological, and biological structures of higher plants under spatial and simulated microgravity conditions.
Liu Min said: "This research will help to explore the mechanism of the impact of the space environment on plants."
It is understood that due to the existence of high-energy particle radiation in the space environment, as well as special circumstances such as microgravity, cosmic magnetic fields, and ultra-vacuum, the plant seeds have undergone changes that cannot be simulated on the ground, and these changes can be effectively applied. Going to agriculture breeding.
The four kinds of test-tube seedlings on the "Shenzhou IV" spacecraft are roses, ginseng fruit, raspberry and carnation. Another study of the Task Force is the study of tomato seeds brought back by the Russian space station. These seeds have flown on the Russian space station for 6 years. This study explored the effects of long-term spatial conditions on their offspring, and explored the mechanism by which the spatial environment caused genetic differences in higher plants at the DNA level.
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