PPT-Microbial Toxins (BIOC 422)

Algai Toxins Dr Ayat B Al Ghafari Associate Professor of Biomedical Sciences email abalghafarikauedusa Algae refers to a large and diverse group of aquatic organisms that contain chlorophyll and carry out oxygenic photosynthesis . Check the Bulletin for prerequisites and th e course schedule for availability 2 Most graduate courses require the consent of the instructor Discuss your desire to take a course with your adviser and the course instru ctor before registration brPage Structural organization of AB-toxins. Proteolytic cleavage of the toxin isrequired, in many cases, for activity, and such cleavage often occurs inthe region between the A (black) and the B (gray) subu Human Gastrointestinal Disorders. Causes . From consumption of food and water containing viable pathogenic microorganisms or their preformed toxins.. From ingestion of pathogenic algae or parasites and their preformed toxins .. A. Metabolism. 1. Anabolism. A) synthesis reactions (building up). 2. Catabolism. A) lysis reactions (breaking down). B. Enzymes. 1. proteins that facilitate chemical reactions. Microbial Metabolism. Eric J. Raes, P.E. ., LSRP. Engineering and Land Planning . Dora Ogles, Brett Baldwin, Kate Clark & . Anita Biernacki. Microbial Insights Inc.. Kerry Sublette, Ph.D., Kate Key. University of Tulsa. A. Metabolism. 1. Anabolism. A) synthesis reactions (building up). 2. Catabolism. A) lysis reactions (breaking down). B. Enzymes. 1. proteins that facilitate chemical reactions. Microbial Metabolism. A. Structure of DNA. 1. discovered by James Watson and Francis Crick in 1953. 2. stores genetic information for the production of proteins. 3. composed of nucleotides. A) a nucleotide is composed of a nitrogenous base, sugar, and phosphate. and Fires. Airborne Toxins:. Unsafe for your Food. Natural disasters may release airborne toxins into the air.. Wind can carry toxins.. Examples of toxins.. Dangerous gases. Ashes. Broken glass. Asbestos. Microbiology. Microbial Growth. Microbial requirements for growth:. 1. . Physical. A. . Temperature. Optimal growth temperature. Permissible range. human pathogens optimal = . 37°C. Microbial Growth. . Your . Roadblock to Health?. PUTTING OUT THE . FIRE. Paola . DeCicco. , BSc, ND. www.naturopathmontreal.ca. . DISCLAIMER. I do not have any financial ties to disclose. The contents of this . presentation, . Lecture-16. 3- Fungal Toxins. Fungal toxins. Toxins from fungi are widely grouped into:. toxins from moulds . ("mycotoxins"). . toxins from higher fungi . ("mushroom poisons").. 2- Mushroom Poisoning. 1. . Discovered . by James Watson and Francis Crick . in 1953. 2. . Stores . genetic information for the production of proteins. 3. . Composed . of nucleotides. A) . A . nucleotide is composed of a nitrogenous base, . (PTX2, YTXs, and AZA) on the larval life stage of the eastern oyster . Crassostrea virginica. Nour Ayache. Assistant Research Scientist, . Smith lab. VA HAB Task Force Meeting . February 2023. Contact: . 2. How Bacterial Cells Damage Host Cells. Host cell damages caused by three mechanisms:. 1. Direct Damage . 2. Toxins . 3. Hypersensitivity Reactions. * Most bacterial damage is carried out by toxins..