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Mercury-resistant bacteria useful for studying toxic metal cycling
Mercury-resistant bacteria useful for studying toxic metal cycling

... Service, edited by SCU, The University of the West of England, Bristol. ...
Antibiotic Pressure and Resistance in Bacteria
Antibiotic Pressure and Resistance in Bacteria

... How does it happen? What factors promote the spread of resistant bacteria ? • How does it pertain to the development of CA-MRSA infections? • What can HCW do to curb this trend? ...
hauger(2) - Texas Department of State Health Services
hauger(2) - Texas Department of State Health Services

... How does it happen? What factors promote the spread of resistant bacteria ? • How does it pertain to the development of CA-MRSA infections? • What can HCW do to curb this trend? ...
hauger(2) - Texas Department of State Health Services
hauger(2) - Texas Department of State Health Services

... How does it happen? What factors promote the spread of resistant bacteria ? • How does it pertain to the development of CA-MRSA infections? • What can HCW do to curb this trend? ...
Characterization of Bacteria Responsible for Background Anomalies
Characterization of Bacteria Responsible for Background Anomalies

... Characterization of Bacteria Responsible for Background Anomalies in the Enumeration of Fecal Coliform Bacteria by the Membrane Filter Technique Esther P. Tennant-Clegg Jerald D. Hendrix ...
Antibiotic Resistance - e-Bug
Antibiotic Resistance - e-Bug

... operations ...
dsRNA viruses
dsRNA viruses

... Figure 2 Genome organization of Saccharomyces cerevisiae virus L-A (ScV-L-A). The virionassociated RNA polymerase catalyzes in vitro end-to-end transcription of dsRNA by a conservative mechanism to produce mRNA for capsid proteins. In the case of ScV-L-A, all of the positive strand transcripts are e ...
Gram Staining
Gram Staining

... ...
The Size, Shape, and Arrangement of Bacterial Cells
The Size, Shape, and Arrangement of Bacterial Cells

... The Size, Shape, and Arrangement of Bacterial Cells Bacteria are unicellular and most multiply by binary fission. Bacterial species are differentiated by morphology, chemical Composition, nutritional requirements, biochemical activities, and source of energy. Most bacteria are 0.2 um in diameter and ...
Dog`s Drool: Is It Cool? Dog Saliva vs. Neosporin in Killing Bacteria
Dog`s Drool: Is It Cool? Dog Saliva vs. Neosporin in Killing Bacteria

... Petri dishes, agar, latex gloves, sterile cotton swabs, sterile distilled water, human saliva, dog saliva, and Neosporin were gathered. One petri dish was used as a negative control and contained no bacteria to show the agar was not contaminated. One petri dish was used as a positive control which o ...
Tuberculosis
Tuberculosis

... Treatment involves use of “second line” drugs Some of these were first line antituberculosis drugs when they were first introduced (e.g. Streptomycin and p-Aminosalicylic acid (PAS)) ...
Staining of microorganisms (focus on bacteria)
Staining of microorganisms (focus on bacteria)

... •  A smear of bacteria (thin film containing cells) is spread over the slide, and the cells are killed and fixed in place by exposure to dry heat. ...
Experiment 4: Bacteria in the environment
Experiment 4: Bacteria in the environment

... the wire loops that are used to transfer bacteria between cultures. All glass culture tubes are "flamed" at the lip before and after a sample is removed. Care must be taken to not get hair or skin in contact with any of the culture media both before and following inoculation with bacteria. Always wa ...
Negative sense RNA viruses
Negative sense RNA viruses

... - vampire bats associated with endemic spread in Central America - prevention by animal immunization; rarely used for humans - treatment shortly after transmission required; natural mortality in untreated humans is 15-25% - particularly unpleasant death makes this one of the most feared viruses Genu ...
Vibrio cholerae - University of Louisville
Vibrio cholerae - University of Louisville

... Two circular chromosomes of DNA – Approximately 4 million base pairs combined ...
Biology Lab
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Module5: Other RNA viruses
Module5: Other RNA viruses

... as well as plants. The majority of the viruses in this group contain icosahedral capsid and similar strategies for the replication of genomic RNA. Despite similarities in the replication strategy, structure, and cognate proteins, the amino acid and nucleotide sequence identity between different gene ...
Coordination of Multiple Flagella in Bacteria - q
Coordination of Multiple Flagella in Bacteria - q

... bacterial chemotaxis plays a beneficial role in signal processing. We then extended the model with a cooperative receptor adaptation model and a cell motion model that both reproduce experimental observations [5]. With the extended model, we found that signaling noise in bacterial chemotaxis can sig ...
Investigating Antibiotic Susceptibility Profile Variation between E
Investigating Antibiotic Susceptibility Profile Variation between E

... Background and Introduction • Previous studies indicate that when cells are exposed to radiation, the most common form of damage is the deletion of certain DNA segments, which can lead to mutations • Mutations can lead to changes in gene expression • The effects of radiation-induced mutations in mi ...
Pseudomonas aeruginosa
Pseudomonas aeruginosa

... • 10 % of all hospital acquired infections. • Patient-to-patient spread and direct patient contact with environmental reservoirs ...
Archaebacteria and Eubacteria Growth and Development
Archaebacteria and Eubacteria Growth and Development

... sicken or even kill them. Disease‐causing bacteria can infect organisms in two different ways. Most attack the  body's cells directly. Others produce chemicals called TOXINS (poisons). Either way, the bacteria destroy or  damage cells within the plant or animal.  Humans also have to deal with bacter ...
Viruses - WordPress.com
Viruses - WordPress.com

...  Target specific structures on bacteria to kill them.  First made from a fungus (penicillin), now most are made artificially.  Unfortunately, antibiotic resistance (where the antibiotic doesn’t kill the target bacteria anymore) is becoming a major problem. ...
20-2 PowerPoint Prokaryotes
20-2 PowerPoint Prokaryotes

... cell from injury and determines its shape. The cell walls of bacteria contain peptidoglycan. Some bacteria, such as E. coli, have a second membrane outside the peptidoglycan wall that makes the cell especially resistant to damage. ...
Understanding Our Environment
Understanding Our Environment

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Diapositiva 1 - Laboratorio de Genómica Viral y Humana
Diapositiva 1 - Laboratorio de Genómica Viral y Humana

... Monotremes) and particularly during the implantation of the embryo. They act as immunosupresors protecting the embryo from its mother's immune system. ...
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Bacteriophage



A bacteriophage /ˈbækˈtɪər.i.oʊˌfeɪdʒ/ (informally, phage /ˈfeɪdʒ/) is a virus that infects and replicates within a bacterium. The term is derived from ""bacteria"" and the Greek: φαγεῖν (phagein), ""to devour"". Bacteriophages are composed of proteins that encapsulate a DNA or RNA genome, and may have relatively simple or elaborate structures. Their genomes may encode as few as four genes, and as many as hundreds of genes. Phages replicate within the bacterium following the injection of their genome into its cytoplasm. Bacteriophages are among the most common and diverse entities in the biosphere.Phages are widely distributed in locations populated by bacterial hosts, such as soil or the intestines of animals. One of the densest natural sources for phages and other viruses is sea water, where up to 9×108 virions per milliliter have been found in microbial mats at the surface, and up to 70% of marine bacteria may be infected by phages.They have been used for over 90 years as an alternative to antibiotics in the former Soviet Union and Central Europe, as well as in France. They are seen as a possible therapy against multi-drug-resistant strains of many bacteria (see phage therapy).
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