history of plant biotechnology biology discussion

The quality and consistency of the product requires careful control in terms of product identity, potency and purity because of concerns about microbiological safety, impurities arising from the manufacturing process (e.g., host-cell contaminants, endotoxin, residual DNA levels and process chemicals), and the fidelity of the protein sequence and post-translational modifications during process improvements and scale-up. It ranges from traditional biotechnology to the most advanced modern biotechnology. The main emphasis in modern plant biotechnology is the production of transgenic plants. At present, there is widespread distrust of biotechnology and the public needs to be engaged in dialogue before the technology is disseminated widely. For example, the ability to analyze large volumes of data is a critical component of various genome projects that are mapping all the genes in an organism, as in the Human Genome Project. Specifically, my work pertains to plant biology, molecular biology, microbiology, and biotechnology. Participatory methods developed in the social sciences can help in understanding problems and the researchable issues, particularly those of small farmers operating in marginal environments. A discussion of plant domestication would be insufficient if it was not mentioned that our ancestors did an amazing job as amateur plant breeders. There are a number of safety issues relating to biotechnology products that differ from those raised by low molecular weight products and need to be taken into account when designing the safety evaluation programme for a biotechnology derived pharmaceutical product. They can also be used to transport drugs in a targeted way to particular sites of action (tissue specific targeting), or to overcome biological barriers such as the intestinal wall or the blood-brain barrier. • First contact with the students and discussion related to course syllabus and particular topics. 1973 First gene (for insulin production) cloned, using rDNA technology. HISTORY OF PLANT BREEDING PRESENTED BY: Pawan Nagar Reg. Biotechnology encompasses a number of tools and elements of conventional breeding techniques, bioinformatics, microbiology, molecular genetics, biochemistry, plant physiology, and molecular Aug. 23 (F) History of Plant Biotechnology Aug. 26 (M) DNA, Chromatin and Chromosome structure Aug. 28 (W) Regulation of Gene Expression Aug. 30 (F) Fundamental skills in DNA sequence analysis – Hands-on activity Sept. 2 (M) Holiday - No UF Classes Sept. 4 (W) Plant Tissue Culture Sept. 6 (F) Plant Growth regulators Plant Tissue Culture The first use of gene technology to bring about changes in plants became possible at the beginning of the 1980s, around ten years after the first experiment with bacteria. biotechnology is the term used in crop and livestock improvement through biotechnology tools. According to an investigation by Ernst and Young relating to the German biotech industry, 92% of companies are currently (2004) working in the field of red biotechnology, 13% in green, and 13% in gray or white biotechnology. The development of new technologies have resulted into production of large amount of biochemically-defined proteins of medical significance and created an enormous potential for pharmaceutical industries. Biotechnology is the applied science and has made advances in two major areas, viz., molecular biology and production of industrially important bio-chemical. Section administrative support: db669 [at] … Since the discovery of the structure of DNA in 1953, the field of biotechnology has grown rapidly through both academic research and private companies. They may also be used for the identification of genes suitable for use in the development of transgenic crops. Focused on basics and processes, this textbook teaches plant biology and agriculture applications with summary and discussion questions in each chapter. ... Career in Biology or Biotechnology … 1974 First expression in bacteria of a gene cloned from a different species. Plant biotechnology is a field that entails applying technology on life (plants). Indeed, the potential value of modern science to agriculture and the environment in Asia will require the efforts of all stakeholders, including civil society, farmer cooperatives, producers, consumers, governments, and development agencies. The applications of biotechnology includes plant tissue culture, production of transgenic in animal and plants, applications in medicine as tools and therapeutics, creation of new enzymes and their immobilization for industrial use, development of monoclonal antibodies and control of pollutions, etc. 1952 Hershey and Chase confirm role of DNA as the basic genetic material. Name the types of nitrogenous bases present in the RNA. The assembly of data from genomic analysis into accessible forms, involving the application of information technology to analyze and manage large data sets resulting from gene sequencing or related techniques. Aloe vera has a surprisingly wide footprint when it comes to where it grows and where it is used for medicinal purposes. The basic laboratory setup, handling of explant tissue, nutrient medium and establishing the culture, and incubation of cultures will be discussed. Which organelle is known as “power house” of the cell? They offer possible solutions to previously intractable problems and difficult targets such as drought tolerance, and enable the development of new products (Table 2). This set of enabling techniques is referred to as rDNA technology or genetic engineering. During the 1970s scientists developed new methods for precise recombination of portions of deoxyribonucleic acid (DNA), the biochemical material in all living cells that governs inherited characteristics, and for transferring portions of DNA from one organism to another. Share Your PPT File. 233 Emerson Hall Cornell University Ithaca, NY 14853 Phone: 607-255-5459. Plant Agriculture: The Impact of Biotechnology 1 Graham Brookes 1.0 Chapter Summary and Objectives 1 1.0.1 Summary 1 1.0.2 Discussion Questions 1 1.1 Introduction 1 1.2 Biotechnology Crops Plantings 2 1.3 Why Farmers Use Biotech Crops 4 1.3.1 Herbicide-Tolerant Crops 7 Some products are intended to mimic the human counterpart, whereas others are intended to differ from the human counterpart and may be analogues, chemically modified (e.g., pegylated) or novel products (e.g., single chain or fragment antibody products, gene transfer vectors, tissue-engineered products). 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