MICROBIAL CR(VI) REDUCTION IN INDIGENOUS CULTURES OF BACTERIA: CHARACTERIZATION AND MODELLING
... Batch experiments under both aerobic and anaerobic conditions showed a high Cr(VI) reducing performance under relatively high initial Cr(VI) concentrations. The reduction rate using this culture was 3 to 8 times higher than reduction rates reported in bacteria previously isolated and studied in Nor ...
... Batch experiments under both aerobic and anaerobic conditions showed a high Cr(VI) reducing performance under relatively high initial Cr(VI) concentrations. The reduction rate using this culture was 3 to 8 times higher than reduction rates reported in bacteria previously isolated and studied in Nor ...
Photosynthetic electron transport and anaerobic
... are involved in pigment biosynthesis is now also well understood. Indeed, the nucleotide sequence of the entire photosynthetic gene cluster ofR. capsulatus has been completed (Burke et al. 1991). In Rhodobacter the core component of the photosynthetic apparatus is an RC surrounded by LHI antennae in ...
... are involved in pigment biosynthesis is now also well understood. Indeed, the nucleotide sequence of the entire photosynthetic gene cluster ofR. capsulatus has been completed (Burke et al. 1991). In Rhodobacter the core component of the photosynthetic apparatus is an RC surrounded by LHI antennae in ...
Life at High Salt Concentrations
... below 15–20%. Most representatives of the halophilic Archaea of the order Halobacteriales show such a behavior. Others thrive at an intermediate salt concentration range. Salt requirement and tolerance may be temperature-dependent, and many cases have been described in which both salt tolerance and ...
... below 15–20%. Most representatives of the halophilic Archaea of the order Halobacteriales show such a behavior. Others thrive at an intermediate salt concentration range. Salt requirement and tolerance may be temperature-dependent, and many cases have been described in which both salt tolerance and ...
Preparing Smears and Gram Stains
... 2. Gram negative bacilli (rods) large or small, no need to state 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 ...
... 2. Gram negative bacilli (rods) large or small, no need to state 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 ...
View online - Ghent University Library
... Examples of diversity profiles using naive similarity matrix Z = I (Leinster and Cobbold, 2012). (a) Ecosystem of coral cover on reef from 1996 to 2005. Diversity profiles cross so that it is not possible to unambiguously say which community is more diverse (Riegl et al., 2009). The species richness ...
... Examples of diversity profiles using naive similarity matrix Z = I (Leinster and Cobbold, 2012). (a) Ecosystem of coral cover on reef from 1996 to 2005. Diversity profiles cross so that it is not possible to unambiguously say which community is more diverse (Riegl et al., 2009). The species richness ...
Population Structure and Functional Analyses, by In
... the microscopic identification of microbial cells based on morphological criteria. However, in contrast to animals and plants, the morphology of most microorganisms is rather inconspicuous. As a consequence, additional properties like growth with different carbon and energy sources, base composition ...
... the microscopic identification of microbial cells based on morphological criteria. However, in contrast to animals and plants, the morphology of most microorganisms is rather inconspicuous. As a consequence, additional properties like growth with different carbon and energy sources, base composition ...
Vibrio marine fish
... used during processing the ability of chlorine, ozone and hydrogen peroxide to prevent biolfilm formation was examined. The behaviour of two V. alginolyticus strains (V590 and V595) isolated from the processed hake was evaluated. These strains formed biofilms faster than the V. alginolyticus LMG4409 ...
... used during processing the ability of chlorine, ozone and hydrogen peroxide to prevent biolfilm formation was examined. The behaviour of two V. alginolyticus strains (V590 and V595) isolated from the processed hake was evaluated. These strains formed biofilms faster than the V. alginolyticus LMG4409 ...
Cutting a Gordian Knot: Emended Classification and Description of
... Cytophaga, and Flexibacter and several related taxa were determined. Most of the strains included in this study belong to rRNA superfamily V, as shown by DNA-rRNA hybridization data, but the three main genera are highly polyphyletic. Several so-called Cytophaga and Flexibacter species isolated from ...
... Cytophaga, and Flexibacter and several related taxa were determined. Most of the strains included in this study belong to rRNA superfamily V, as shown by DNA-rRNA hybridization data, but the three main genera are highly polyphyletic. Several so-called Cytophaga and Flexibacter species isolated from ...
Symbiotic Conversations Are Revealed Under Genetic Interrogation
... generate their light by developing associations with luminous bacteria in the genera Vibrio or Photobacterium2,19. The best studied of the light-emitting symbioses is that between Vibrio fischeri and the sepiolid squid Euprymna scolopes, although other species of sepiolids that are symbiotic with V. ...
... generate their light by developing associations with luminous bacteria in the genera Vibrio or Photobacterium2,19. The best studied of the light-emitting symbioses is that between Vibrio fischeri and the sepiolid squid Euprymna scolopes, although other species of sepiolids that are symbiotic with V. ...
Counterinsurgency Doctrine Applied to Infectious Disease
... kills all bacteria will also kill the patient. First, some antibiotics do not penetrate the patient. They are useful for skin or gastrointestinal infections, but such antibiotics cannot reach infections that are internal or disseminated and, therefore, have limited clinical application. Generally, t ...
... kills all bacteria will also kill the patient. First, some antibiotics do not penetrate the patient. They are useful for skin or gastrointestinal infections, but such antibiotics cannot reach infections that are internal or disseminated and, therefore, have limited clinical application. Generally, t ...
Sulfate reducing prokaryotes in Eastern Mediterranean hypersaline
... • The low diversity in Urania brine has been observed with total community structure as well. • Similarity of DSRa sequences between sites is very low thus each site studied had a unique sulfate reducing community. • There are some differences between site similarity of DSRa and δ-16S rDNA. Can be r ...
... • The low diversity in Urania brine has been observed with total community structure as well. • Similarity of DSRa sequences between sites is very low thus each site studied had a unique sulfate reducing community. • There are some differences between site similarity of DSRa and δ-16S rDNA. Can be r ...
ID 12 - Identification of Haemophilus species and the
... Members of the Haemophilus genus are typically cultured on blood agar plates as all species require at least one of the following blood factors for growth: haemin (factor X) and/or nicotinamide adenine dinucleotide (factor V). Chocolate agar is an excellent Haemophilus growth medium as it allows for ...
... Members of the Haemophilus genus are typically cultured on blood agar plates as all species require at least one of the following blood factors for growth: haemin (factor X) and/or nicotinamide adenine dinucleotide (factor V). Chocolate agar is an excellent Haemophilus growth medium as it allows for ...
Medical Bacteriology
... evolutionary relationships (i.e the more similar the name, the closer the evolutionary relationships). Thus, classification is concerned with:1. The establishment of criteria for identifying organisms & assignment to groups (what belongs where) ...
... evolutionary relationships (i.e the more similar the name, the closer the evolutionary relationships). Thus, classification is concerned with:1. The establishment of criteria for identifying organisms & assignment to groups (what belongs where) ...
Interactions of Foodborne Pathogens with Free‐living Protozoa
... The cyst wall is composed of proteins, glycoproteins, and carbohydrates such as cellulose or chitin (Corliss 2001). The cyst shape may vary (for example, spherical, ovoid, pyriform) and several cysts have an outer surface ornamentation (Corliss 2001), which can aid for dispersal. Cysts can survive h ...
... The cyst wall is composed of proteins, glycoproteins, and carbohydrates such as cellulose or chitin (Corliss 2001). The cyst shape may vary (for example, spherical, ovoid, pyriform) and several cysts have an outer surface ornamentation (Corliss 2001), which can aid for dispersal. Cysts can survive h ...
Ch16_lecture - Fullfrontalanatomy.com
... consist entirely of prokaryotes; yet there are fundamental differences between them. • Bacterial cells contain molecules of the polymer peptidoglycan, which strengthens the cell wall. • These two groups also differ in the structure and composition of the plasma membrane, ribosomes, and RNA polymeras ...
... consist entirely of prokaryotes; yet there are fundamental differences between them. • Bacterial cells contain molecules of the polymer peptidoglycan, which strengthens the cell wall. • These two groups also differ in the structure and composition of the plasma membrane, ribosomes, and RNA polymeras ...
Field identification guide to Heard Island and McDonald
... distribution of benthic invertebrates in the HIMI region used by Meyer et al. (2000) was primarily qualitative, obtained from ad-hoc sampling of invertebrates collected in trawl surveys of fish in the early 1990s. Hence to further the understanding of the conservation values identified by Meyer et a ...
... distribution of benthic invertebrates in the HIMI region used by Meyer et al. (2000) was primarily qualitative, obtained from ad-hoc sampling of invertebrates collected in trawl surveys of fish in the early 1990s. Hence to further the understanding of the conservation values identified by Meyer et a ...
PhD thesis - Fakultät für Biologie und Vorklinische Medizin
... Mitglieder der Promotionskommission: Vorsitzender: Prof. Dr. Martin J. Müller Gutachter: Prof. Dr. Erhard Strohm Gutachter: Prof. Dr. Roy Gross Tag des Promotionskolloquiums: ………………………………………………….………….….. Doktorurkunde augehändigt am: …………………………………………….…………………… ...
... Mitglieder der Promotionskommission: Vorsitzender: Prof. Dr. Martin J. Müller Gutachter: Prof. Dr. Erhard Strohm Gutachter: Prof. Dr. Roy Gross Tag des Promotionskolloquiums: ………………………………………………….………….….. Doktorurkunde augehändigt am: …………………………………………….…………………… ...
The killer trait of Paramecium and its causative
... bright appearance inside the bacterium. Caedibacter without R-body are referred to as non-bright (PREER & STARK 1953). Bright cells arise from the non-bright forms (PREER et al. 1953, MÜLLER 1962). The change from non-bright to bright is apparently problematic: Caedibacter harbouring an R-body lose ...
... bright appearance inside the bacterium. Caedibacter without R-body are referred to as non-bright (PREER & STARK 1953). Bright cells arise from the non-bright forms (PREER et al. 1953, MÜLLER 1962). The change from non-bright to bright is apparently problematic: Caedibacter harbouring an R-body lose ...
Effects of Biocides on antibiotic resistance
... There is evidence that surfaces can act as a source of contamination and may contribute to the spread of infections such as MRSA and Clostridium difficile. However, the routine use of biocides to treat these surfaces is controversial. Antimicrobial wipes are increasingly common in hospitals but thei ...
... There is evidence that surfaces can act as a source of contamination and may contribute to the spread of infections such as MRSA and Clostridium difficile. However, the routine use of biocides to treat these surfaces is controversial. Antimicrobial wipes are increasingly common in hospitals but thei ...
Isolation of a New, Pink, Obligately Thermophilic, Gram
... Thermus strains, it only grows on dilute organic media, is an obligate aerobe, and produces only acid from carbohydrates. It resembles Thermus strains morphologically although it does not seem to form the characteristic long, filamentous cells. However, there are some yellow Thermus isolates that ha ...
... Thermus strains, it only grows on dilute organic media, is an obligate aerobe, and produces only acid from carbohydrates. It resembles Thermus strains morphologically although it does not seem to form the characteristic long, filamentous cells. However, there are some yellow Thermus isolates that ha ...
Slide 1
... and Sensitivity Testing We have now completed the first stage in a microbiology in-house system and we could stop there, but what about Sensitivity testing? Simply inoculate a “Mueller Hinton” agar plate with confirmed growth from the MultiChrome™ plate, drop in antibiotic test discs and incubate fo ...
... and Sensitivity Testing We have now completed the first stage in a microbiology in-house system and we could stop there, but what about Sensitivity testing? Simply inoculate a “Mueller Hinton” agar plate with confirmed growth from the MultiChrome™ plate, drop in antibiotic test discs and incubate fo ...
INVASION OF DENTINAL TUBULES BY ORAL BACTERIA
... Unchecked, invasion results in pulpitis and pulp necrosis, infection of the root canal system, and periapical disease. While several hundred bacterial species are known to inhabit the oral cavity, a relatively small and select group of bacteria is involved in the invasion of dentinal tubules and sub ...
... Unchecked, invasion results in pulpitis and pulp necrosis, infection of the root canal system, and periapical disease. While several hundred bacterial species are known to inhabit the oral cavity, a relatively small and select group of bacteria is involved in the invasion of dentinal tubules and sub ...
Identification of Streptococcus species, Enterococcus species and
... strains may produce mucoid colonies. Haemolysis is best observed by growing the culture under anaerobic conditions because the haemolysins are more stable in the absence of oxygen6. Lancefield group A streptococci will not grow on media containing bile. Pinpoint colony forms of the S. anginosus grou ...
... strains may produce mucoid colonies. Haemolysis is best observed by growing the culture under anaerobic conditions because the haemolysins are more stable in the absence of oxygen6. Lancefield group A streptococci will not grow on media containing bile. Pinpoint colony forms of the S. anginosus grou ...
"Objectionable Organism"? - The Microbiology Network
... Bacillus cereus as an “Objectionable Organism” A second case study in the current discussion of “objectionable organisms” is the organism Bacillus cereus. Bacillus cereus is of concern as a food contaminant. The FDA Bad Bug Book states that an estimated 63,400 cases of self-limiting diarrheal diseas ...
... Bacillus cereus as an “Objectionable Organism” A second case study in the current discussion of “objectionable organisms” is the organism Bacillus cereus. Bacillus cereus is of concern as a food contaminant. The FDA Bad Bug Book states that an estimated 63,400 cases of self-limiting diarrheal diseas ...
the role of earthworm gut-associated microorganisms
... agent responsible for scrapie was very resistant to UV and ionizing radiation,i.e. against the treatments that normally destroy nucleic acids (Alper et al., 1967). The other hypothesis, so called "virino hypothesis", suggested the presence of an agent-specific nucleic acid enveloped in a hostspecifi ...
... agent responsible for scrapie was very resistant to UV and ionizing radiation,i.e. against the treatments that normally destroy nucleic acids (Alper et al., 1967). The other hypothesis, so called "virino hypothesis", suggested the presence of an agent-specific nucleic acid enveloped in a hostspecifi ...