Microbial World: History, Ubiquity, and Ecological Roles

This lecture provides a comprehensive overview of the microbial world, exploring its significance, diversity, and critical role in ecosystems. Beginning with foundational microbial science, it examines types, scale, and the human microbiome. Historical milestones, including germ theory and aseptic techniques, are highlighted to understand contributions to medicine. The ecological impact of microbes, from nutrient cycles to bioremediation, is discussed, alongside advancements in research and...