Microbial

Oct 24, 2012

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Genetic Terms. Genome- the entire genetic makeup of an organism.Chromosome - structures made of DNA that are organized into genes.Genes- segment of DNA that CODES for a protein.Base Pairs - A pairs with T; G with CComplementary - contains other base pair.. NUCLEOTIDES. Made up of 1 Phosphate (PO

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Microbial

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Microbial Metabolism

Microbial Metabolism. Chapter 5. Metabolism - all of the chemical reactions within a living organism. 1. Catabolism ( Catabolic ) breakdown of complex organic molecules into simpler compounds releases ENERGY 2. Anabolism ( Anabolic )

911 views • 42 slides

Microbial Growth

Part B. 6. Microbial Growth. pp. 160-177. Fig. 6.11. Cell wall. DNA (nuclear area). Partially formed cross wall. Ch 6 Overview. Physical and chemical requirements for growth Various types of culture media Bacterial cell division Phases of bacterial growth. Distribution of Microbes.

1.49k views • 52 slides

Microbial Genetics

Microbial Genetics. 楊倍昌. Start with “what-and-how” questions (PR Murray, Medical Microbiology. 2013; 7 pages). Learning objective. Mutation, Repair, and Recombination. Gene Exchanges in prokaryotic cells. Mechanisms of Genetic transfer between cells. Recombination. Genetic Engineering.

809 views • 36 slides

MICROBIAL GROWTH

MICROBIAL GROWTH. Microbial growth = increase in the number of cells Requirements for growth: Physical: temperature, pH, osmotic pressure Chemical: the necessary chemical elements. Physical Requirements for Growth. Temperature minimum growth temp - lowest temp at which organism can grow

843 views • 17 slides

Microbial Metabolism

Microbial Metabolism. Microbiology 2314. Why Study Bacterial Metabolism?. For Interest Treatment of Disease Productive Use of Bacteria Unity of Biochemistry Inexpensive Easy to Grow and Study. Energy. Capacity to Do Work Calories / Joules Defined in Terms of What It Does

956 views • 60 slides

Microbial Control

2. We share our world with many microbes;eliminating them is impossible and completely unwarrantedcontrolling their growth is essentialWe clean, cook, refrigerate to prevent spoilageHand washing, sterilization, disinfection procedures in medical settings target pathogens to prevent infection

517 views • 35 slides

Microbial Control

Talaro Chapter 12. Microbial Control. Choosing a disinfectant or antiseptic…. often called “germicides”. -gaseous, liquid or solid state -effective concentration (versus toxicity) -broad spectrum? -low toxicity -penetration of surfaces of inanimate objects or tissues

1.12k views • 74 slides

Microbial Genetics

Microbial Genetics. Eukaryotic Genome. 1- Chromosome of the nucleus – Diploid. 2- DNA of Plastids – mitochondria & chloroplasts. 3- Plasmid of yeast. 4- Repetitive DNA. 5- Intrones. Prokaryotic Genome. 1- Nucleoid _ one chromosome – haploid. 2- Plasmid. 3- Transposons.

550 views • 27 slides

MICROBIAL MODELS

Viruses and Bacteria. MICROBIAL MODELS. Chapter 19 and 27. VIRUSES. No fossil record. When did they arise? . Viral Genomes Capsids and Envelopes Bacterial viruses (Bacteriophages) Animal Viruses Viral Reproduction - Phage Reproduction -Animal Virus Reproduction

829 views • 61 slides

Microbial Biotechnology

Microbial Biotechnology. Chapter 5. The Structure of Microbes. Prokaryotes Archaebacteria Includes halophiles, thermophiles, “extremophiles” Eubacteria On skin, soil, water, can be pathogenic. The Structure of Microbes. Characteristics of Prokaryotes Generally smaller than Eukaryotes

531 views • 31 slides

Microbial Genetics

Microbial Genetics. Microbial Genetics. Genetics is the study of heredity which is concerned with how: information in nucleic acids is expressed nucleic acids are duplicated and transmitted to progeny these processes account for the characteristics of progeny . Nucleic Acids.

646 views • 42 slides

Microbial polysaccharides

Microbial polysaccharides. Xanthan Gum. A polysaccharide Used as food additive & rheology modifier. Production involves fermentation of glucose or sucrose by the bacterium, Xanthomonas campestris. STRUCTURE. M.W. varies from ~ 1 million - 50 million depending upon preparation Backbone:

3.5k views • 9 slides

Microbial Genetics

Microbial Genetics. and biotechnology. Define Terms. Genetics Genome / Genomics Chromosomes Gene Genotype Phenotype Recombination. Control of Gene Expression. DNA Structure. Double stranded Nucleotide Nitrogen Bases Sugar Phosphate Base Pairs Hydrogen Bonds A-T C-G Alpha helix

1.08k views • 77 slides

Microbial Hazards

Microbial Hazards. Microbial Hazards. Microorganisms are everywhere -- they can be: Pathogens – cause disease Spoilers – cause the quality of food to deteriorate Beneficial – used for food production and present in and on the body. Types of Foodborne Illness. Infection

673 views • 25 slides

Microbial

452 views • 31 slides

Microbial Ecology

Microbial Ecology. Presented by: FARASAT ALI NOMAN RASHID. Definition the interactions of m.o. with the biotic and abiotic components of the environment. The importance of these interactions and their effects on the environment.

941 views • 36 slides

MICROBIAL GENETICS

MICROBIAL GENETICS. CHAPTER 7. Microbial Genetics. Heredity transmission of biological traits from parent to offspring expression & variation of those traits structure & function of genetic material how this material changes Chromosomes length of DNA containing genes

610 views • 29 slides

Microbial Diversity

Microbial Diversity. Scott Clingenpeel. Complete Genomes. 2671 Prokaryotic genomes in GenBank 114 Eukaryotic genomes 9 Plants 52 Animals. Do we really need more microbial genomes?. Microbial Diversity. Less than 0.1% of known microbes have been grown in the lab

1.34k views • 17 slides

Microbial Growth

Microbial Growth. Microbiology. Microbial Growth. In microbiology growth is defined as an increase in the number of cells. Knowledge of how microbial populations expand is useful when designing methods to control microbial growth. . Factors that Affect Microbial Growth. Physical Factors

1.06k views • 10 slides

Microbial genetics

Microbial genetics. Lecture content. 3.1 An overview of genetic possesses 3.2 The basis of hereditary 3.3 DNA replication 3.4 RNA and protein synthesis 3.5 Gene expression. Terminologies . Genetics – science of hereditary Genome – the genetic information of a cell

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Microbial Genetics

7. Microbial Genetics. Stages of Translation. Three stages Initiation Elongation Termination All stages require additional protein factors Initiation and elongation require energy (GTP). Animation: Translation. PLAY. Initiation. Figure 7.15. Elongation. Figure 7.16.1. Elongation.

589 views • 39 slides

Microbial Genetics

Microbial Genetics. Microbial Genetics : Prokaryotic Genome: - Most prokaryotic genes are carried on the bacterial chromosome , a single circle containing about 4000 kbp of DNA. - Many bacteria contain additional genes on plasmids .

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