microorganisms
... considered living things. Microorganisms span all three domains of life; domains are the largest taxonomic group of organisms. • Archaea are cells with very unusual chemistry and life strategies. Some archaea are referred to as extremophiles because they grow in very hot, very acidic, or other extre ...
... considered living things. Microorganisms span all three domains of life; domains are the largest taxonomic group of organisms. • Archaea are cells with very unusual chemistry and life strategies. Some archaea are referred to as extremophiles because they grow in very hot, very acidic, or other extre ...
Customizable Antimicrobial Peptides Case # 1210 Overview Technology Contact
... synthetic antimicrobial peptides customized to treat a wide variety of bacterial, fungal and/or viral infections. This novel method alters the physicochemical properties of antimicrobial peptides to increase selectivity and potency against multiple drug resistant organisms such as Methicillin-Resist ...
... synthetic antimicrobial peptides customized to treat a wide variety of bacterial, fungal and/or viral infections. This novel method alters the physicochemical properties of antimicrobial peptides to increase selectivity and potency against multiple drug resistant organisms such as Methicillin-Resist ...
Bacteria-Eating Virus Approved as Food Additive
... effective against 170 different strains the lowest level necessary for particuof L. monocytogenes. Multiple phages lar types of products," says Robert C. are used so that if the L. monocytogenes Post, Ph.D., director of the FSIS' Labeldevelop resistance to several phages, ing and Consumer Protection ...
... effective against 170 different strains the lowest level necessary for particuof L. monocytogenes. Multiple phages lar types of products," says Robert C. are used so that if the L. monocytogenes Post, Ph.D., director of the FSIS' Labeldevelop resistance to several phages, ing and Consumer Protection ...
Gram Stain
... The Gram Stain In 1883, Christian Gram developed the single most important staining procedure in bacteriology, the Gram stain. In an attempt to find a combination of dyes that would stain biopsied tissue one color and bacteria another, Gram noted that some bacterial cells exhibited an unusual resist ...
... The Gram Stain In 1883, Christian Gram developed the single most important staining procedure in bacteriology, the Gram stain. In an attempt to find a combination of dyes that would stain biopsied tissue one color and bacteria another, Gram noted that some bacterial cells exhibited an unusual resist ...
______________________________________________________________________ Análisis de la composición del regulón LexA en el dominio Resumen
... microorganisms G. sulfurreducens and F. nucleatum, for which their respective lexA genes were cloned and sequencied. After sobreexpressing and purifying respective proteins EMSA assays and footprinting were performed, and both regcognition motifs of LexA were defined: GGTT N2 C N4 G N3 ACC for G. su ...
... microorganisms G. sulfurreducens and F. nucleatum, for which their respective lexA genes were cloned and sequencied. After sobreexpressing and purifying respective proteins EMSA assays and footprinting were performed, and both regcognition motifs of LexA were defined: GGTT N2 C N4 G N3 ACC for G. su ...
Social behavior in microorganisms.
... them (section 13.2, Form and function). They range from the simple effects of growth rate through to complex multicellular development, with secretion, communication and genetic exchange in between. Some behaviours are downright selfish, but others have the appearance of cooperation, whereby the act ...
... them (section 13.2, Form and function). They range from the simple effects of growth rate through to complex multicellular development, with secretion, communication and genetic exchange in between. Some behaviours are downright selfish, but others have the appearance of cooperation, whereby the act ...
Plankton bloom
... Live in shallow brightly lit water, especially in tropics Areas with high concentrations appear milky ...
... Live in shallow brightly lit water, especially in tropics Areas with high concentrations appear milky ...
Microbiological Profile
... evaluation of bactericidal activity of chemical disinfectants and antiseptics used in food, industrial, domestic, and institutional areas Designed to test bactericidal products specifically for use in the Food and Catering Industry. It is carried out under “dirty” (representative of surfaces which a ...
... evaluation of bactericidal activity of chemical disinfectants and antiseptics used in food, industrial, domestic, and institutional areas Designed to test bactericidal products specifically for use in the Food and Catering Industry. It is carried out under “dirty” (representative of surfaces which a ...
Summary How do maggots operate?
... ES showed the best complement-inhibiting properties upon boiling at 100˚C and even after storage for a month at room temperature, ES inhibited CA. Degradation of proteins in ES reduced the complement-inhibiting effect. This study shows the first pathway independent complement-inhibitor, probably a s ...
... ES showed the best complement-inhibiting properties upon boiling at 100˚C and even after storage for a month at room temperature, ES inhibited CA. Degradation of proteins in ES reduced the complement-inhibiting effect. This study shows the first pathway independent complement-inhibitor, probably a s ...
Chapter 16 - Enterobacteriaceae
... pustule which ruptures to form an ulcer. Ulcer usually found on external genitalia • Lab diagnosis • Direct smear (school of fish) and culture of ulcer • Oxidase positive; catalase negative ...
... pustule which ruptures to form an ulcer. Ulcer usually found on external genitalia • Lab diagnosis • Direct smear (school of fish) and culture of ulcer • Oxidase positive; catalase negative ...
9.1 Hershey and Chase Provided Evidence That the
... found in the supernatant following shearing. Therefore, most of the DNA was located within the bacterial cells in the pellet. These results are consistent with the idea that the DNA is injected into the bacterial cytoplasm during infection, which would be the expected result if DNA is the genetic ma ...
... found in the supernatant following shearing. Therefore, most of the DNA was located within the bacterial cells in the pellet. These results are consistent with the idea that the DNA is injected into the bacterial cytoplasm during infection, which would be the expected result if DNA is the genetic ma ...
Toxic shock syndrome (TSS)
... carried on unwashed hands and prompt an infection anywhere on the body. So hand washing is extremely important. • The risk of TSS can be reduced by either avoiding tampons or alternating them with sanitary napkins. Girls who use only tampons should choose ones with the lowest absorbency that will ha ...
... carried on unwashed hands and prompt an infection anywhere on the body. So hand washing is extremely important. • The risk of TSS can be reduced by either avoiding tampons or alternating them with sanitary napkins. Girls who use only tampons should choose ones with the lowest absorbency that will ha ...
DIAGNOSIS AND TREATMENT OF VAGINITIS Stephanie N. Taylor, MD LSUHSC Department of Medicine
... the vagina became focus of research Initially thought to have come from the uterus Treated by curettage of the endometrium 1913 – A. H. Curtis demonstrated the bacteria that later became known as Gardnerella 1913 – Curtis also demonstrated: a. The discharge was of vaginal origin, not ...
... the vagina became focus of research Initially thought to have come from the uterus Treated by curettage of the endometrium 1913 – A. H. Curtis demonstrated the bacteria that later became known as Gardnerella 1913 – Curtis also demonstrated: a. The discharge was of vaginal origin, not ...
(BACTERIOCIN-LIKE INHIBITORY SUBSTANCES) PRODUCED BY
... Bacteriocins are antimicrobial peptides ribosomally synthesized by prokaryotes with activity against micro-organisms related to the producer species. Many bacteriocins have been suggested as alternative agents either in food biopreservation or in prevention/treatment of bacterial infections due to t ...
... Bacteriocins are antimicrobial peptides ribosomally synthesized by prokaryotes with activity against micro-organisms related to the producer species. Many bacteriocins have been suggested as alternative agents either in food biopreservation or in prevention/treatment of bacterial infections due to t ...
PROKARYOTES AND THE ORIGINS OF METABOLIC DIVERSITY
... Although meiosis and syngamy do not occur in prokaryotes, genetic recombination can take place through three mechanisms that transfer variable amounts of DNA: Transformation = The process by which external DNA is incorporated by bacterial cells. Conjugation = The direct transfer of genes from one ba ...
... Although meiosis and syngamy do not occur in prokaryotes, genetic recombination can take place through three mechanisms that transfer variable amounts of DNA: Transformation = The process by which external DNA is incorporated by bacterial cells. Conjugation = The direct transfer of genes from one ba ...
Programa i llibre de resums - Societat Catalana de Biologia
... Malassezia pachydermatis is part of the normal microbiota of carnivores, although under certain conditions it can cause dermatitis and otitis, especially in dogs and cats. A great variability exists among isolates of this species, which has been studied principally with molecular methods using isola ...
... Malassezia pachydermatis is part of the normal microbiota of carnivores, although under certain conditions it can cause dermatitis and otitis, especially in dogs and cats. A great variability exists among isolates of this species, which has been studied principally with molecular methods using isola ...
the_search_for_better_health_-_part_4 - HSC Guru
... penetration by microbes. It is fairly dry, which helps to prevent the growth of pathogens. The skin also contains its own population of harmless bacteria that help to stop the invading microbes from multiplying. Oil and sweat glands in the skin produce antibacterial and antifungal substances that fu ...
... penetration by microbes. It is fairly dry, which helps to prevent the growth of pathogens. The skin also contains its own population of harmless bacteria that help to stop the invading microbes from multiplying. Oil and sweat glands in the skin produce antibacterial and antifungal substances that fu ...
LOS
... At higher concentrations, the toxin reacts non-specifically with membrane lipids, causing larger pores through which divalent cations and small molecules can pass. However, it is doubtful if this is relevant under normal physiological conditions. In humans, platelets and monocytes are particularly s ...
... At higher concentrations, the toxin reacts non-specifically with membrane lipids, causing larger pores through which divalent cations and small molecules can pass. However, it is doubtful if this is relevant under normal physiological conditions. In humans, platelets and monocytes are particularly s ...
Dental plaque biofilm
... ● Need communication – quorum sensing, exchange of genetic information ...
... ● Need communication – quorum sensing, exchange of genetic information ...
Environmental Plate for Growth of Bacteria
... culture media and grow are call contaminants. Care must be taken throughout subsequent laboratory exercises to avoid contamination. In this exercise, you will see the many places from which contamination can come, as well as seeing where microorganisms can be found naturally. The Petri dish you will ...
... culture media and grow are call contaminants. Care must be taken throughout subsequent laboratory exercises to avoid contamination. In this exercise, you will see the many places from which contamination can come, as well as seeing where microorganisms can be found naturally. The Petri dish you will ...
Clostridium infections
... bacteria of the genus Clostridium, which are relatively large gram-positive organisms that are usually anaerobic, spore-forming and rodshaped. The organisms as spores are resistant and can live for long periods in the soil. Susceptible hosts acquire them either by wound contamination or by ingestion ...
... bacteria of the genus Clostridium, which are relatively large gram-positive organisms that are usually anaerobic, spore-forming and rodshaped. The organisms as spores are resistant and can live for long periods in the soil. Susceptible hosts acquire them either by wound contamination or by ingestion ...
SIMPLE STAIN and the GRAM STAIN
... In most microbiological staining procedures, the bacteria are first fixed to the slide by the heat fixed smear. In this procedure living, potentially pathogenic bacteria are smeared on the glass slide and allowed to dry. Then the slide is heated so that the bacteria are killed and stuck (coagulation ...
... In most microbiological staining procedures, the bacteria are first fixed to the slide by the heat fixed smear. In this procedure living, potentially pathogenic bacteria are smeared on the glass slide and allowed to dry. Then the slide is heated so that the bacteria are killed and stuck (coagulation ...
3/2/12 Proteobacteria
... 17.7 Pseudomonas and the Pseudomonads • Pseudomonads – Nutritionally versatile – Ecologically important organisms in water and soil – Some species are pathogenic • Includes human opportunistic pathogens and plant pathogens ...
... 17.7 Pseudomonas and the Pseudomonads • Pseudomonads – Nutritionally versatile – Ecologically important organisms in water and soil – Some species are pathogenic • Includes human opportunistic pathogens and plant pathogens ...
Wk1- FrontalStealth
... Fleas that ingest bacteria get bacterial growth in gut, blocks food flow. Fleas become ravenously hungry, go on feeding frenzy, repeatedly biting victim, spreading disease. When too few rodents to infect, will spread to other warm-blooded hosts (e.g. humans). ...
... Fleas that ingest bacteria get bacterial growth in gut, blocks food flow. Fleas become ravenously hungry, go on feeding frenzy, repeatedly biting victim, spreading disease. When too few rodents to infect, will spread to other warm-blooded hosts (e.g. humans). ...