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This "International Rice Genome Sequencing Project" began in 1998 and was attended by 10 countries and regions including Japan, the United States, and China. The completed rice genome map not only mapped 37,500 genes in rice, but also led the sequencing of centromeres in animals and plants. In addition to the rice chromosomes 1, 4 and 10 that have been sequenced, the sequencing of the remaining chromosomes was completed by Japan (5), the United States (2), Taiwan (1), and France (1). India, South Korea Brazil participated in the partial chromosome sequencing work.
At the end of 2002, scientists initially completed the draft of the rice genome. The National Center for Gene Research of the Shanghai Institute of Life Sciences, Chinese Academy of Sciences participated in this large-scale international research work. When interviewed by Xinhua News Agency reporters, the center’s experts said that in the drafting of the sketch, Chinese scientists had successfully completed the fine sequence determination and analysis of the rice chromosome 4. In the next full map drawing, Chinese scientists are still actively involved in international cooperation and have undertaken and completed the comparison of whole genome sequences between the two subspecies of rice pods and pupa and the analysis of the sequence of the rice genome centromere.
According to another report, Chinese scientists also filled up 4 physical vacancies and nearly 300 vacancies in the chromosome 4 sequence of rice, making chromosome 4 still one of the most complete.
Rice is the first crop to be sequenced so far. For half of the world's population, rice is the most important food crop on which people rely. The International Rice Genome Sequencing Project believes that the sequencing work is extremely important for rice improvement. Scientists can identify genes with important agronomic traits in rice based on the exact sequence that was sequenced. For example, the yield can be increased by identifying genes that affect the growth habits, and the planting range of excellent cultivated rice species can be extended by identifying light cycle genes. Thus, in an age when such an agriculture is becoming more and more constrained, it meets the growing food needs of the world's population.
Chinese scientists participate in the completion of the "full picture of the rice genome sequence"
Scientists from many countries such as Japan, the United States, and China reported in the UK's Nature magazine on the 11th that they have completed the "complete picture of the rice genome sequence," and their coverage and accuracy are much higher than previously published sketches. . It is said that this is one of the most accurate and complete sequencing tasks currently in higher organisms.