Different plant species have the same gene sequence

After the White House Office of science and technology announced the big data research and development initiative, huge data analysis has become a national priority development project in the United States Researchers from the University of Missouri and the University of California and the University of Arizona said Thursday that they solved important biological problems by using pioneering computer algorithms to find the same DNA sequence of different kinds of plants and animals No one has been able to carry out such a large-scale data analysis and research in the past Delitri kurkin, an assistant professor of computer science at the University of Missouri, said their computer algorithm found that the same DNA sequence exists in completely different locations in a variety of plant genomes Gavin Conant, an assistant professor of zoology, said their findings helped solve some of the mysteries of plant evolution The basic research of plant genome provides raw materials for drug and crop research and development, and improves related technologies Previous studies have found that the same genetic code length exists in DNA of different kinds of animals However, before kurkin's research was completed, the computer program had never been able to find the same sequence in the plant DNA, because the same fragment was not found at the same point (region) In the new study, kurkin compared the genomes of six animals: dog, chicken, human, house mouse, macaque and vole; at the same time, they compared the genomes of six plants: Arabidopsis, soybean, rice, poplar, sorghum and grape In order to complete the comparison of all gene sequences, the scientists used 48 computer processors to work at the speed of 1 million searches per hour for four weeks, and the total number of searches was about 32 billion By comparing plant genomes, although scientists have found the same sequence among different plants, they also pointed out that there are different evolution of plant sequences Conant said that people may expect to see convergent evolution, but the analysis results are not so Plants and animals are complex multicellular organisms They have to deal with many kinds of weather and many of the same environmental conditions, such as flying in the air and cruising in the water But facing the environmental challenges, their genome codes to solve the problems are different The work of the researchers laid a foundation for understanding the reasons why plants and animals form different genetic mechanisms in the future and how these mechanisms work, and also created conditions for more discoveries to improve human life In addition to the potential of genetic science to treat diseases, computer programs that analyze genetic codes themselves can help develop new drugs Kurkin believes that the same computer algorithm can be used to find the same sequence pattern in a biologically complete proteome, and find new targets for existing drugs or understanding the side effects of these drugs.