Intro to Biotech - Chapter 1

Introduction to Biotechnology

  • Chapter 1 Overview

    • This chapter serves as an overview of the entire course, focusing on understanding the big picture rather than specifics.

    • Sections:

    • 1.1 What Is Biotechnology and What Does It Mean to You? (Slides 4-20)

    • 1.2 Types of Biotechnology (Slides 21-42)

    • 1.3 What Will the New Biotechnology Century Look Like? An Example from Medical Biotechnology (Slides 43-54)

    • 1.4 The Biotechnology Workforce (Slides 55-64)

Study Hints for Success

  • To be successful you must:

    1. Use the objectives provided as a study guide. They indicate which sections are included for assessment.

    2. Focus on bolded words in the textbook and refer to the glossary at the back as needed.

    3. Read the chapter in the textbook first before reviewing PowerPoints and answering slide questions.

    4. Complete homework thoroughly; quizzes and exams will be based on readings, slides, and homework.

Section 1.1: What Is Biotechnology and What Does It Mean to You?

  • Biotechnology Defined:

    • Broadly defined as the use of living organisms or the products of living organisms to benefit humans or the environment.

    • Historical Examples:

    • Early ancestors utilized microorganisms.

    • Fermentation processes.

    • Selective breeding practices.

    • Discovery and use of antibiotics.

  • Examples of Biotechnology Present in Homes:

    • Various exciting developments rooted in biotechnology today.

  • Modern Examples of Biotechnology:

    • Antibiotics:

    • Produced using batch (large-scale) processes.

    • Gene Cloning and Genetic Engineering:

    • Techniques crucial for producing recombinant DNA technology.

    • Human Genome Project:

    • Focus on genomics, artificial or synthetic genomes, and genome editing via techniques like CRISPR-Cas.

  • Gene Maps:

    • Importance of understanding gene maps related to diseases, focusing on chromosomes involved in promoting conditions like breast cancer.

  • Applications of Biotechnology:

    • Development of disease-resistant plants, crops with higher yields, and engineered organisms to address environmental pollution.

  • Do-It-Yourself Biotechnology Movement:

    • DIY Biotech: 90% of practitioners work in communal spaces—without government funding.

    • Discussion Point: Is there a problem with this movement? Why or why not?

  • Biotechnology Disciplines:

    • Emphasizes the interdisciplinary nature of biotechnology. Discussion point on whether a successful biotech career can be based solely on biology studies.

  • Products of Modern Biotechnology:

    • Recombinant Proteins:

    • Proteins manufactured using gene cloning techniques (see Table 1.2 for examples).

    • Common Applications:

    • Blood Factor VIII for haemophilia, Epidermal growth factor for immune system disorders, Growth hormone for various deficiencies, Insulin for diabetes, Cancer treatments, Monoclonal antibodies, etc.

  • Top Biotechnology Drugs (Table 1.1):

    • Listing of October 2016's top 10 biotech drugs, e.g., Humira for rheumatoid arthritis, Harvoni for hepatitis C.

  • Ethics and Biotechnology:

    • Discussion of the ethical dilemmas arising from biotechnological advancements.

Section 1.2: Types of Biotechnology

  • Study Hint:

    • Be prepared to summarize 8-10 sentences for each type. This section provides foundational knowledge of biotech's scope.

  • Types of Biotechnology:

    • Categories include:

    • Microbial Biotechnology

    • Agricultural Biotechnology

    • Animal Biotechnology

    • Forensic Biotechnology

    • Bioremediation

    • Aquatic Biotechnology

    • Medical Biotechnology

    • Biotechnology Regulations

  • Microbial Biotechnology:

    • Focuses on manipulating microorganisms to create better enzymes, enhance decontamination, and produce medical proteins, among others.

  • Agricultural Biotechnology:

    • Predicted food production must increase by 70% by 2050 to feed a population of 9.1 billion, leading to the use of CRISPR for gene-edited crops.

    • Alert to consumer sentiment on feeding the world by 2050.

  • Animal Biotechnology:

    • Leveraging animals for producing valuable proteins; controversial issues with cloning and transgenic animals.

    • Gene “knockouts” used in research to identify gene functions beneficially.

  • Forensic Biotechnology:

    • Applications in DNA fingerprinting for various uses including paternity, human remains identification, and disease tracking.

  • Bioremediation:

    • Use of biotechnological methods to degrade pollutants, with historical examples like the Exxon Valdez oil spill.

  • Aquatic Biotechnology:

    • Practices like aquaculture, focusing on genetic engineering in fish production, notably genetically modified salmon.

  • Medical Biotechnology:

    • Encompasses preventive medicine, diagnostics, and treatment modalities, informed by the Human Genome Project's advancements in gene therapy and CRISPR.

  • Biotechnology Regulations:

    • Overview of necessary regulatory processes for biotech products, emphasizing the importance of regulated drugs before market entry.

Section 1.3: What Will the New Biotechnology Century Look Like?

  • Future Modifications:

    • Insight into the Human Genome Project's role in advancing medicine through knowledge of genes and proteins responsible for human health.

  • Precision Medicine:

    • Pharmacogenomics focuses on tailoring medicine and treatments based on individual genetic profiles. Includes discussion on single nucleotide polymorphisms (SNPs) and their implications in diseases such as cancer and diabetes.

  • Microarrays:

    • Techniques for analyzing SNP patterns in patients for diagnostics.

  • Nanotechnology:

    • Use of nanoscale devices for precise drug delivery into human cells.

  • Gene Therapy:

    • Emphasis on replacing or augmenting defective genes; current challenges in delivering these genes effectively and safely.

  • Stem Cell Technology:

    • Discussion of embryonic and adult stem cells and their potential to replace damaged tissues or organs.

  • Regenerative Medicine:

    • Future potential for modifying stem cells from patients to treat genetic disorders.

Section 1.4: The Biotechnology Workforce

  • Industry Overview:

    • A rapidly growing sector with biotech revenues increasing over 10% annually, especially in biotherapeutics exceeding $225 billion in sales globally.

  • Defining Biotechnology Companies:

    • Differentiation between biotech and pharmaceutical companies; the pivotal role of biotechnology in utilizing living organisms.

  • Top Biotechnology and Pharmaceutical Companies (Table 1.3):

    • Revenue comparison demonstrating the financial success of leading firms in biotechnology.

  • Founding Biotech Companies:

    • Start-up companies usually arise from venture capital investments; own products can take up to a decade to market.

  • Career Opportunities:

    • Includes a range of roles from research and development to finance and administration; emphasis on interdisciplinary education and communication skills.

  • Pathway to Employment:

    • Suggested educational background includes molecular biology, biochemistry, bioinformatics, and essential soft skills development.

  • Organizational Structure:

    • Outline of how a medium-sized biotech company is structured for effective operation.

Ethical Considerations

  • Ethical implications of biotechnology practices and industries need to be critically evaluated as advancements are made.

  • Discussion prompts provided throughout to encourage critical thinking on biotechnology's impact on society, ethics, and personal health.