BIOL 360 Lecture Notes - Lecture 14: Antonie Van Leeuwenhoek, Sergei Winogradsky, Nitrifying Bacteria
Document Summary
Anton van leeuwenhoek- examined his fabrics (cloth salesman draper) so he made convex lenses to look at thread count- wee animicules - described bee stinger, sperm, large protozoa, algae, blood, feces, made first bacteria sketches. Microorganisms can create alcohol or acids- wanted organisms in wine to make alcohol. Helped with germ theory- helped silk industry- disease killing the silk worms- specific microbe that caused specific diseases. Robert koch- developed koch/s postulates while working with anthrax (bacillus anthracis) and tuberculosis (mycobacterium), koch developed a method to form a link between specific microorganisms and specific diseases. Developed pure culture techniques founder of medical microbiology. Worked with walter hess and richard petri- started using agar instead of potato to grow bacteria. Lazzaro spallenzani- developed sterilization methods by boiling items and covering them so no contamination. Endospore- dormant structures that bacteria can turn into and can be viable for hundreds of years- usually pink dye stains and blue stains endospore.
