Biotechnology is a rapidly developing field, involving gene editing, cloning, stem cell technology and other applications. These technologies have an important impact on medical, agriculture, environmental protection and other fields, so they have attracted more and more people's attention. The technological changes and achievements it brings have long been deeply embedded in our lives.

Biotechnology is an interdisciplinary study of biology and applied technology. It is a subject in which human beings solve various problems encountered in life science and human development through the understanding and application of biological knowledge and technology. The emergence of biotechnology can be traced back to ancient times, from China's planting, breeding and drug preparation technology, can be regarded as the early biotechnology. With the continuous progress of technology and knowledge, in the early 20th century, human research on microorganisms and genetics gradually began. In the past few decades, biotechnology has experienced rapid development, and now it has become one of the fastest developing fields in the world, and has made many important achievements.

In the medical field, the application of biotechnology has made a significant contribution to the improvement of medical technology.

Gene editing technology can make human genes change, so as to cure a variety of genetic diseases, such as fragile X syndrome and hemophilia.

For example, the first human genetic engineering product, human insulin, came out in 1982, marking the beginning of the practical stage of the application of biotechnology in the medical field. In 2018, Chinese scientists successfully applied gene editing technology to CRISPR-Cas9 treat AIDS-infected mice and achieved good therapeutic effects. This is an important breakthrough in gene editing technology in the treatment of human diseases.

In addition, biotechnology can also produce a variety of new anti-cancer drugs, providing strong support for human beings to overcome diseases. For example, in 2018 and 2019, the U.S. Food and Drug Administration approved individualized antigen-based immunotherapy drugs, "Kisosezhi" (Kymriah) and "Youyi Meike" (Yescarta), respectively, for the treatment of leukemia and malignant lymphoma.

In the field of agriculture, the application of biotechnology has brought great changes to agricultural production.

Gene editing technology can make crops have stronger resistance, better adaptability and higher yield. Through transgenic technology, crops can grow and reproduce in various environments, increasing the supply of agricultural products and contributing to global food security.

For example, the commercialization of genetically modified crops in 1996, the introduction of genetically modified soybeans in the United States became the world's first commercial genetically modified crops. In the 1970 s, Chinese scientist Yuan Longping began the research of artificial haploid rice. Through cross breeding and cytology technology, he successfully cultivated artificial haploid rice, which greatly improved the yield and quality of rice, and played a role in solving China's food problem. Important role.

At present, nearly 30 countries around the world grow genetically modified crops, of which cotton, soybeans, corn and rape are the most commercially grown genetically modified crops. The development of transgenic technology has been widely used in agricultural production, which has played a great role in promoting the global agricultural industry.

In the field of environmental protection, the role of biotechnology in the field of environmental protection has attracted much attention.

Biodegradation technology can be used to treat sewage and contaminated soil and convert harmful substances into harmless substances. Gene editing technology can be applied to protect wild animals and plants, improve the ecological environment and so on.

For example, in 2016, American scientists used gene editing technology to replace the non-native genes in the parasite vector with photosynthesis genes that are beneficial to the environment and genes that are beneficial to the growth and development of organisms, so that the viability of the parasite vector in nature has been greatly improved, thus protecting the balance of the environmental ecosystem. In 2018, Chinese scientists used gene editing technology to successfully create a super yeast that can eat plastics. This yeast can decompose polyester plastics, thereby effectively solving the problem of plastic pollution and making important contributions to environmental protection.

In addition, biotechnology can also be used in the production of biofuels, thereby reducing dependence on fossil fuels and improving the environment.

In the future, biotechnology is expected to continue to make more contributions to mankind. This is a rapidly developing field, and its innovation and progress will profoundly affect human production, life and social development. With the continuous progress of science and technology, biotechnology will continue to develop. However, there are also some disputes and risks in the application of biotechnology. We need to pay more attention to science and technology ethics and risk management while promoting biotechnology to ensure the sustainable development and application of science and technology. Let scientific and technological achievements better benefit human society, so that mankind can achieve a healthier, happier and better future.