'Resistance genes' diaporamas de présentation

CRT Study Guide Quarter 2

CRT Study Guide Quarter 2.

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P.L. Toutain National Veterinary School ; Toulouse, France

The prudent use of antibiotics in veterinary medicine: the right drug, the right time, the right dose & the right duration of treatment. P.L. Toutain National Veterinary School ; Toulouse, France. The Bunge y Born foundation, 18 th November 2011 Tandil, Argentina.

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Section 20.1

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Changes in bacterial traits

Changes in bacterial traits. Caused by: Changes in environmental conditions (only phenotypic changes) Changes in the genetic codes 1- Intermicrobial exchange 2- Mutations (point mutations, insertions, deletions). Intermicrobial exchange. Transformation

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Mechanisms of Resistance

Mechanisms of Resistance. Antibiotics exert selective pressure that favors emergence of resistant organisms Bacteria employ several biochemical strategies to become resistant. Decreased permeability. Inactivation. Efflux. X. Altered target. Genetic Basis of Resistance.

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Bacteria Subsisting on Antibiotics

Bacteria Subsisting on Antibiotics. Gautam Dantas Church Lab CEGS Annual Grantee Meeting - 2008. in US: MRSA kills more people than AIDS. US reported MRSA infections [1000’s]. 2006: 18,964. 2006: 14,627. Agency for healthcare research and quality, 2006.

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Lakshmikantha H.C 1 , Bh. Subramanyam 1 , and L. Zurek 2

Antibiotic resistant and virulent enterococci in animal feed. Lakshmikantha H.C 1 , Bh. Subramanyam 1 , and L. Zurek 2. 1 Department of Grain Science and Industry 2 Department of Entomology Kansas State University. Introduction. animal feed: antibiotics: enterococci.

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Function-Driven Metagenomics Jo Handelsman

Function-Driven Metagenomics Jo Handelsman. What is Function-Driven Metagenomics?. Clone DNA directly from environmental sample Screen clones for expressed functions Advantage: Not limited by sequence recognition. Points to Consider About Metagenomics.

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Ch 20 Antimicrobial Drugs

Ch 20 Antimicrobial Drugs. SLOs. Antimicrobial Drugs. Chemotherapy: The use of drugs to treat a disease. Antimicrobial drugs: Interfere with the growth of microbes within a host. Antibiotic : Of biological origin. Produced by a microbe, inhibits other microbes.

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Abstract

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Microbial Resistance

N.B. Due to a seminar, the Monday morning help session on December 5th will be changed to the following: Help Sessions in room M245: Monday, December 5th, 10-11 am & 2-3 pm. Tuesday, December 6th, 11 am-noon & 2-3 pm. 02 December 2005 M.S. Peppler Dept of MMI mark.peppler@ualberta.ca

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Resistance to antimicrobial agents

Resistance to antimicrobial agents. Resistance to antimicrobial agents. Resistance to antimicrobial agents. Innate resistance (insensitivity) Phenotypic adaptation Mutation Antibiotic resistance genes Inactivation of antibiotic Active efflux of antibiotic Alteration of target site

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Genetic Manipulation

Genetic Manipulation. GMO Foods: Should we grow them?. Prior to Class. Take a look at the following Online discussion at the PBS website http://www.pbs.org/wgbh/harvest/exist/ Engineering a crop simulation http://www.pbs.org/wgbh/harvest/engineer/transgen.html

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Team Stritch: Metal-o-coli Removal of Heavy Metal from Contaminated Water

Team Stritch: Metal-o-coli Removal of Heavy Metal from Contaminated Water. Susmita Acharya and Nighat Kokan (Chemistry/Biology Collaboration) Cardinal Stritch University Milwaukee, Wisconsin. Project Goals/Ideas. Application Based

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Differences In Allele & Genotype Frequencies B/W HIV (+) & HIV (-)

Differences In Allele & Genotype Frequencies B/W HIV (+) & HIV (-). Djenny Batrony. Independent Variable Vs dependent Variable. Independent variable: HIV-infected individuals Vs Uninfected individuals Dependent variable: allele frequency of particular loci or markers.

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Antibiotic Resistance

Antibiotic Resistance. Methods of Resistance. Antibiotic Resistance Genes. www.scq.ubc.ca. Resistance Genes can be Transferred. whyfiles.org. whyfiles.org. http://whyfiles.org/shorties/090antibio_resist/. www.cavalierdaily.com.../04/27/heantibiotic.gif. Antibiotic Resistance.

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ANTIBIOTICS II.

ANTIBIOTICS II. I nherently-resistant bacteria Mutant selection Spread of resistance genes among bacteria Spread of resistant bacteria among patients. Microor g anisms resistant to a certain drug may also be resistant to antibiotics that share a mechanisms of action.

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Antibiotic Resistance in Non-coliform Bacteria Isolated from a Cattle Farm

Antibiotic Resistance in Non-coliform Bacteria Isolated from a Cattle Farm KIMBERLEIGH FOSTER, J. RENGEL, M. MILLER, J. ARNOLD, J. WOLOZYNEK, and J. CHAMPINE Southeast Missouri State University, Cape Girardeau, MO 63701 (jchampine@semo.edu). Abstract Q-184.

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Greenhouse screening for

Number of studied plants . Expec-ted ratio. X 2. ? ?. a) Parents: PP:Rfo1 Rfo2 + + = = X = = Rfo1 Rfo2 + + Resistant Susceptible. + +. Rfo1 +. + Rfo2. Rfo1 Rfo2. b) Parents: PP: Rfo1 + + Rfo2

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