Alexander Fleming - Nobel Lecture
... to 1936 but few people paid any attention. It was only when some 10 years later after the introduction of sulphonamide had completely changed the medical mind in regard to chemotherapy of bacterial infections, and after Dubos had shown that a powerful antibacterial agent, gramicidin, was produced by ...
... to 1936 but few people paid any attention. It was only when some 10 years later after the introduction of sulphonamide had completely changed the medical mind in regard to chemotherapy of bacterial infections, and after Dubos had shown that a powerful antibacterial agent, gramicidin, was produced by ...
Temperature and UV light affect the activity of marine cell
... in the oceans. The discovery of the microbial loop made clear that heterotrophic microbes are one of the most important nutrient vectors in marine food webs (Azam and Cho, 1987; Azam et al., 1983). According to the sizereactivity model, microbes selectively prefer high molecular weight dissolved org ...
... in the oceans. The discovery of the microbial loop made clear that heterotrophic microbes are one of the most important nutrient vectors in marine food webs (Azam and Cho, 1987; Azam et al., 1983). According to the sizereactivity model, microbes selectively prefer high molecular weight dissolved org ...
Elsevier Editorial System(tm) for Journal of Marine
... was under the influence of advection of Atlantic Water and had the highest chlorophyll a concentrations, numerous opaque mesozooplankton individuals and flat slopes of size spectra, pointing to long food chains in which biomass is recycled several times. The opposite state was found in the innermost ...
... was under the influence of advection of Atlantic Water and had the highest chlorophyll a concentrations, numerous opaque mesozooplankton individuals and flat slopes of size spectra, pointing to long food chains in which biomass is recycled several times. The opposite state was found in the innermost ...
AN INSIGHT INTO BIOFILM ECOLOGY AND ITS APPLIED ASPECTS Review Article
... Biofilm formation is one such phenomena which take place at the surface of the substrate. Group of microbial cells attached to a solid substrate form a biofilm [1]. These microbes produce an organic polymeric matrix in which they get embedded [2]. The first observation of biofilm can be traced back ...
... Biofilm formation is one such phenomena which take place at the surface of the substrate. Group of microbial cells attached to a solid substrate form a biofilm [1]. These microbes produce an organic polymeric matrix in which they get embedded [2]. The first observation of biofilm can be traced back ...
Comparative Evaluation of the Limulus Assay and the Direct Gram
... tetrazolium reductase. 12 These tests have the advantage of providing more rapid results, but are often much less reliable. 6 ' 18 A third approach has been the visualization of bacteria in urinary sediment by use of either the phase-contrast microscope 1 or a Gram stain of fresh uncentrifuged urine ...
... tetrazolium reductase. 12 These tests have the advantage of providing more rapid results, but are often much less reliable. 6 ' 18 A third approach has been the visualization of bacteria in urinary sediment by use of either the phase-contrast microscope 1 or a Gram stain of fresh uncentrifuged urine ...
Effect of energy metabolism and membrane structure on single l
... The main purpose of this thesis has been to study the motility of the outer membrane protein, the λ-receptor, in Escherichia coli and its dependence on energy metabolism and membrane structure. E. coli is a gram negative bacterium having three membranes; an inner membrane, the peptidoglycan layer an ...
... The main purpose of this thesis has been to study the motility of the outer membrane protein, the λ-receptor, in Escherichia coli and its dependence on energy metabolism and membrane structure. E. coli is a gram negative bacterium having three membranes; an inner membrane, the peptidoglycan layer an ...
Here - Centre for Ocean Life
... fundamental understanding and predictive capacity of marine ecosystems. An equally important goal is to train young scientists in interdisciplinary marine sciences. The Centre is cross-disciplinary (biology, physics, mathematics, chemistry) and represents a collaborative effort between five departme ...
... fundamental understanding and predictive capacity of marine ecosystems. An equally important goal is to train young scientists in interdisciplinary marine sciences. The Centre is cross-disciplinary (biology, physics, mathematics, chemistry) and represents a collaborative effort between five departme ...
Microzooplankton Community Structure and Grazing Impact Along the Western Antarctic Peninsula
... and participants of the Palmer Antarctica Long-Term Ecological Research (PAL LTER) project, as well as the technical support of the captain and crew of the R/V Laurence M. Gould and the Raytheon Polar Services Group, both on the L.M. Gould and at Palmer Station. Your excitement and love for Antarcti ...
... and participants of the Palmer Antarctica Long-Term Ecological Research (PAL LTER) project, as well as the technical support of the captain and crew of the R/V Laurence M. Gould and the Raytheon Polar Services Group, both on the L.M. Gould and at Palmer Station. Your excitement and love for Antarcti ...
"Objectionable Organism"? - The Microbiology Network
... test) the authors suggest that the patient’s ear drops might have been the source of the Burkholderia cepacia. [7]. From a historical perspective, there were no requirements for testing non-sterile products for microbial quality until USP introduced a test for the “Bacteriological Examination of Gel ...
... test) the authors suggest that the patient’s ear drops might have been the source of the Burkholderia cepacia. [7]. From a historical perspective, there were no requirements for testing non-sterile products for microbial quality until USP introduced a test for the “Bacteriological Examination of Gel ...
detection, recovery, isolation and characterization
... Global locations of sampling sites and ice cores available for study at the Byrd Polar Research Center...............64 ...
... Global locations of sampling sites and ice cores available for study at the Byrd Polar Research Center...............64 ...
Slide 1
... between lactose fermenters and lactose nonfermenters due to the presence or absence of dye uptake in the bacterial colonies. ...
... between lactose fermenters and lactose nonfermenters due to the presence or absence of dye uptake in the bacterial colonies. ...
9th International Conference on Harmful Algal Blooms, 7-11
... Beatriz REGUERA (Spain) Sandra SHUMWAY (USA) Max TAYLOR (Canada) Takeshi YASUMOTO (Japan) ...
... Beatriz REGUERA (Spain) Sandra SHUMWAY (USA) Max TAYLOR (Canada) Takeshi YASUMOTO (Japan) ...
Marine Permian of western Europe: beautiful rocks, remarkable stories
... formed within anoxic lagoons and where photic zone euxinia developed above slope, mostly in eastern part of ...
... formed within anoxic lagoons and where photic zone euxinia developed above slope, mostly in eastern part of ...
Preliminary assessment on Agrobacterium-mediated
... the lowest and negative bacterial motility (Table 1). Most of the cases E. coli demonstrated negative responses on DBG orchid PLBs. Bacterial movement accelerated to the PLBs when extra wounding was present in PLBs. Mild wounding PLBs showed more migration of bacteria because mild wounded PLBs secre ...
... the lowest and negative bacterial motility (Table 1). Most of the cases E. coli demonstrated negative responses on DBG orchid PLBs. Bacterial movement accelerated to the PLBs when extra wounding was present in PLBs. Mild wounding PLBs showed more migration of bacteria because mild wounded PLBs secre ...
Penicillin
... whereas lactose does not. The pH and the levels of nitrogen, lysine, phosphate, and oxygen of the batches must be controlled automatically. ...
... whereas lactose does not. The pH and the levels of nitrogen, lysine, phosphate, and oxygen of the batches must be controlled automatically. ...
Potential of Diagnostic Microbiology for Treatment
... known. These powerful tools can also be used to identify unknown organisms as well as for bacterial taxonomy. Immunological methods have also been used to detect bacterial species that are genetically distinct (Tanner et al, 1991). Immunoassays include agglutination, immunoprecipitation, enzyme-link ...
... known. These powerful tools can also be used to identify unknown organisms as well as for bacterial taxonomy. Immunological methods have also been used to detect bacterial species that are genetically distinct (Tanner et al, 1991). Immunoassays include agglutination, immunoprecipitation, enzyme-link ...
... The Nobel laureate Joshua Lederberg was the first to define the concept of microbiome as ‘‘the ecological community of commensal, symbiotic, and pathogenic microorganisms that literally share our body space’’ [1]. Most of phylogenetic data and research focuses on bacteria, as they represent most of ...
Oregon State University Hatfield Marine Science Center 2013
... reorganized non-profit Fish Trax Systems Inc. focused on Captain Barry Fisher, the Station began with three faculty developing information and knowledge systems to support and a handful of graduate students. Eighteen years later the fishery and community development (see below). Marine Experiment St ...
... reorganized non-profit Fish Trax Systems Inc. focused on Captain Barry Fisher, the Station began with three faculty developing information and knowledge systems to support and a handful of graduate students. Eighteen years later the fishery and community development (see below). Marine Experiment St ...
Stable Isotope Methods for the Study of the Nitrogen Cycle
... associated with dissimilatory processes that mediate the transfer of nitrogen from one inorganic pool to another [1]. In contrast, processes such as primary production, which move nitrogen directly into and through the food web are associated with comparatively weak isotopic fractionations [1]. The ...
... associated with dissimilatory processes that mediate the transfer of nitrogen from one inorganic pool to another [1]. In contrast, processes such as primary production, which move nitrogen directly into and through the food web are associated with comparatively weak isotopic fractionations [1]. The ...
Slide 1
... BACTERIA AS A PATHOGEN Bacteria are unicellular organisms that reproduce by cell division; usually have cell walls; can be shaped like spheres, rods or spirals; and can be found in virtually any environment. Although many are synergistic in organisms, they can also cause disease. In veterinary medi ...
... BACTERIA AS A PATHOGEN Bacteria are unicellular organisms that reproduce by cell division; usually have cell walls; can be shaped like spheres, rods or spirals; and can be found in virtually any environment. Although many are synergistic in organisms, they can also cause disease. In veterinary medi ...
Epidemiological aspects and improved differential - E
... (Boye et al., 1998) and PCR-based restriction fragment length polymorphism (RFLP) (Rohde et al., 2002). In the late 1990s, B. pilosicoli was frequently isolated from Finnish pig herds. With the common use of antimicrobial feed additives, at least 30% of the sow herds were estimated to be carriers of ...
... (Boye et al., 1998) and PCR-based restriction fragment length polymorphism (RFLP) (Rohde et al., 2002). In the late 1990s, B. pilosicoli was frequently isolated from Finnish pig herds. With the common use of antimicrobial feed additives, at least 30% of the sow herds were estimated to be carriers of ...
Preparing Smears and Gram Stains
... whether appearance is in chains, clusters, or pairs. 3. Gram negative coccobacilli 4. Gram negative diplococcic, intracellular and/ or extracellular 5. Gram positive rods, large or small 6. Budding yeast 7. Fungal elements 4. Reporting of Smears From Urine a. Although not routinely done, physicians ...
... whether appearance is in chains, clusters, or pairs. 3. Gram negative coccobacilli 4. Gram negative diplococcic, intracellular and/ or extracellular 5. Gram positive rods, large or small 6. Budding yeast 7. Fungal elements 4. Reporting of Smears From Urine a. Although not routinely done, physicians ...
research.
... These standards and the approximate clearance diameter can be used to obtain an equivalent Minimum Inhibitory Concentration (MIC), and the microorganism will be classified as susceptible, intermediately susceptible, or resistant to the antimicrobial used (Diseases 2013). However, because of the appr ...
... These standards and the approximate clearance diameter can be used to obtain an equivalent Minimum Inhibitory Concentration (MIC), and the microorganism will be classified as susceptible, intermediately susceptible, or resistant to the antimicrobial used (Diseases 2013). However, because of the appr ...
Inducer expulsion and the occurrence of an HPr(Ser-P)
... mechanism of inducer expulsion, its potential for catalysing the expulsion of pre-accumulated cytoplasmic sugar-Ps has not been tested. All of these Gram-positive bacteria and others are known to possess H P r and the HPr(Ser) kinase (Reizer e t al., 1988). In this paper we report comparative studie ...
... mechanism of inducer expulsion, its potential for catalysing the expulsion of pre-accumulated cytoplasmic sugar-Ps has not been tested. All of these Gram-positive bacteria and others are known to possess H P r and the HPr(Ser) kinase (Reizer e t al., 1988). In this paper we report comparative studie ...