Bacteria: Staining Techniques
... the primary stain in spite of acidalcohol treatment) Can be used on sputum Mycobacterium (acid-fast positive) ...
... the primary stain in spite of acidalcohol treatment) Can be used on sputum Mycobacterium (acid-fast positive) ...
ECOLOGY SPRING 2009 - Florida International University
... interrelated Traditional reconstructions lump together phyla that share major features of body plan New reconstructions employ molecular comparisons of rRNA and other genes ...
... interrelated Traditional reconstructions lump together phyla that share major features of body plan New reconstructions employ molecular comparisons of rRNA and other genes ...
Diagnostic Medical Microbiology & Clinical Correlation
... most aerobic and facultatively anaerobic organisms. ► Chocolate agar, medium with heated blood. ► Selective medium (MacConkey or eosin-methylene blue [EBM] agar) for enteric Gram- rods. ► Obligate anaerobes must be plated on at least 2 types of media: i) highly supplemented agar such as brucella aga ...
... most aerobic and facultatively anaerobic organisms. ► Chocolate agar, medium with heated blood. ► Selective medium (MacConkey or eosin-methylene blue [EBM] agar) for enteric Gram- rods. ► Obligate anaerobes must be plated on at least 2 types of media: i) highly supplemented agar such as brucella aga ...
Basic Microbiology
... These pathogens include, but are not limited to, hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV), the virus that causes AIDS Most of these pathogens are quite easy to kill ...
... These pathogens include, but are not limited to, hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV), the virus that causes AIDS Most of these pathogens are quite easy to kill ...
chapter 4
... • Nucleoid – chromosome region – No membrane DNA aggregates and no ribosomes are found in that area. ...
... • Nucleoid – chromosome region – No membrane DNA aggregates and no ribosomes are found in that area. ...
Catalogue of bacteria shapes
... We first tried to use the most general shape associated with each genus, which are often consistent across species (spp.) (first choice for shape). If there was documented species variability, either the most common species (second choice for shape) or well known species (third choice for shape) is ...
... We first tried to use the most general shape associated with each genus, which are often consistent across species (spp.) (first choice for shape). If there was documented species variability, either the most common species (second choice for shape) or well known species (third choice for shape) is ...
20.1 Viruses
... They release toxins (poisons) that travel throughout the body, interfering with the normal activity of the host. Many bacterial pathogens can be controlled by washing, using disinfectants, preparing and storing food safely, or sterilizing exposed items. Bacterial diseases can be prevented and treate ...
... They release toxins (poisons) that travel throughout the body, interfering with the normal activity of the host. Many bacterial pathogens can be controlled by washing, using disinfectants, preparing and storing food safely, or sterilizing exposed items. Bacterial diseases can be prevented and treate ...
Chapter Two Line Title Here and Chapter Title
... J. 16.10 CONNECTION: Some bacteria cause disease 1. All organisms are almost constantly exposed to pathogenic bacteria. 2. Most bacteria that cause illness do so by producing a poison. a. Exotoxins are proteins that bacterial cells secrete into their environment. b. Endotoxins are components of the ...
... J. 16.10 CONNECTION: Some bacteria cause disease 1. All organisms are almost constantly exposed to pathogenic bacteria. 2. Most bacteria that cause illness do so by producing a poison. a. Exotoxins are proteins that bacterial cells secrete into their environment. b. Endotoxins are components of the ...
Mercury-resistant bacteria useful for studying toxic metal cycling
... researchers wanted to understand more about mercury metabolism in soil bacteria. They selected one particular strain as an example of bacteria from the class Alphaproteobacteria — recent studies show this class is active in sediments contaminated with mercury. The strain they selected, Xanthobacter ...
... researchers wanted to understand more about mercury metabolism in soil bacteria. They selected one particular strain as an example of bacteria from the class Alphaproteobacteria — recent studies show this class is active in sediments contaminated with mercury. The strain they selected, Xanthobacter ...
17.1 The Linnaean System of Classification
... Taxonomy is the science of naming and classifying organisms. • Taxonomy began with the ancient Greeks and Romans – Aristotle classified organisms into two groups: plants and animals. • John Ray (1627–1705) – Believed that each organism should have a set name. – Otherwise, “men…cannot see and record ...
... Taxonomy is the science of naming and classifying organisms. • Taxonomy began with the ancient Greeks and Romans – Aristotle classified organisms into two groups: plants and animals. • John Ray (1627–1705) – Believed that each organism should have a set name. – Otherwise, “men…cannot see and record ...
Medical Microbiology Microscopic slides and media
... Class 5. Oral microbiology – Bacteria causing inflammations and abscesses within the oral cavity; Gram-positive facultative cocci (genus Staphylococcus, Streptococcus and Enterococcus). Identification of staphylococci in selective-differential medium – mannitol salt agar (Chapman’s medium). Mannito ...
... Class 5. Oral microbiology – Bacteria causing inflammations and abscesses within the oral cavity; Gram-positive facultative cocci (genus Staphylococcus, Streptococcus and Enterococcus). Identification of staphylococci in selective-differential medium – mannitol salt agar (Chapman’s medium). Mannito ...
18.5 Beneficial Roles of Prokaryotes
... 18.5 Beneficial Roles of Prokaryotes Prokaryotes play important roles in ecosystems. • Prokaryotes have many functions in ecosystems. – photosynthesize – recycle carbon, nitrogen, hydrogen, sulfur – fix nitrogen ...
... 18.5 Beneficial Roles of Prokaryotes Prokaryotes play important roles in ecosystems. • Prokaryotes have many functions in ecosystems. – photosynthesize – recycle carbon, nitrogen, hydrogen, sulfur – fix nitrogen ...
Fight the Resistance
... cattle, pigs, and chickens started in the early 1950s. Soon after livestock producers began using antimicrobials in food-producing animals, scientists began studying the possible effects of long-term use of antibiotics. • In recent years, concerns about the use of antimicrobial products in food-prod ...
... cattle, pigs, and chickens started in the early 1950s. Soon after livestock producers began using antimicrobials in food-producing animals, scientists began studying the possible effects of long-term use of antibiotics. • In recent years, concerns about the use of antimicrobial products in food-prod ...
ch17
... membrane; some obtain energy through chemical reactions involving inorganic substances (e.g. H2S or S2032- thiosulfate ion) and others are photosynthetic. ...
... membrane; some obtain energy through chemical reactions involving inorganic substances (e.g. H2S or S2032- thiosulfate ion) and others are photosynthetic. ...
Mesosomes of Bacillus Species, Seen by Negative Staining
... Fig. I b were formed around fragments of a single structure such as is shown in Fig. I c. For example, a spherical object can be divided into eight spheres with half the original diameter, or 64 with a quarter the diameter, etc. The stain only gives vague indications of the mesosome fragments within ...
... Fig. I b were formed around fragments of a single structure such as is shown in Fig. I c. For example, a spherical object can be divided into eight spheres with half the original diameter, or 64 with a quarter the diameter, etc. The stain only gives vague indications of the mesosome fragments within ...
Section 2: Energy Flow in Ecosystems
... physicians must switch to using different antibiotics. • As new antibiotics are used, bacteria will probably develop resistance to those as well. ...
... physicians must switch to using different antibiotics. • As new antibiotics are used, bacteria will probably develop resistance to those as well. ...
Biology 2201
... classifying trees as plants Classifying all horses as animals The branch of biology that deals with the classification of living things. ...
... classifying trees as plants Classifying all horses as animals The branch of biology that deals with the classification of living things. ...
chapt01_lecture
... Pasteur’s results not fully reproducible English physicist John Tyndall finally explained conflicting data • Proved Pasteur correct • Sterilizing broths required different times • Some sterilized in 5 minutes • Others not despite 5 hours! ...
... Pasteur’s results not fully reproducible English physicist John Tyndall finally explained conflicting data • Proved Pasteur correct • Sterilizing broths required different times • Some sterilized in 5 minutes • Others not despite 5 hours! ...
Phylogeny of Prosthecobacter, the Fusiform Caulobacters: Members
... To determine the relatedness of the genus Prosthecobacter to dimorphic caulobacters and other prosthecate members of the (Y subgroup of the Proteobacteria (a-Proteobacteria),we isolated and sequenced 16s rRNA genes from four Prosthecobacter strains. Surprisingly, the results of phylogenetic analyses ...
... To determine the relatedness of the genus Prosthecobacter to dimorphic caulobacters and other prosthecate members of the (Y subgroup of the Proteobacteria (a-Proteobacteria),we isolated and sequenced 16s rRNA genes from four Prosthecobacter strains. Surprisingly, the results of phylogenetic analyses ...
Gut bacterial community structure of two Australian tropical fruit fly
... B. tryoni (seven taxa) and fewer in the midgut of female B. cacuminata (three taxa) (Figure 1 and 2). The midgut of female and male of B. tryoni possessed three taxa from each clone library. The Gammaproteobacteria and Firmicutes were dominant in all clone libraries. The total number of clones, numb ...
... B. tryoni (seven taxa) and fewer in the midgut of female B. cacuminata (three taxa) (Figure 1 and 2). The midgut of female and male of B. tryoni possessed three taxa from each clone library. The Gammaproteobacteria and Firmicutes were dominant in all clone libraries. The total number of clones, numb ...
Bacteria structure and infectious disease
... resembles the use of grappling hooks or Velcro. In addition to these “common pili” some bacteria use sex pili to link donor (male) and recipient (female) cells before transferring DNA between them. How pili impact disease. Like flagella, pili are often ...
... resembles the use of grappling hooks or Velcro. In addition to these “common pili” some bacteria use sex pili to link donor (male) and recipient (female) cells before transferring DNA between them. How pili impact disease. Like flagella, pili are often ...
a. bacillus anthracis b. Bacillus anthracis c. bacillus Anthracis d
... a. bacillus anthracis b. Bacillus anthracis c. bacillus Anthracis d. Bacillus Anthracis 2. Which of the following lists is in correct order a. Class, order, family b. Phylum, order, class c. Family, class, order d. Order, family, species e. Class, family, genus 3. You are given a microscope slide on ...
... a. bacillus anthracis b. Bacillus anthracis c. bacillus Anthracis d. Bacillus Anthracis 2. Which of the following lists is in correct order a. Class, order, family b. Phylum, order, class c. Family, class, order d. Order, family, species e. Class, family, genus 3. You are given a microscope slide on ...
scope and history of microbiology
... genes encode a cell’s enzymes (1942) – Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA was the hereditary material (1944). – Francois Jacob and Jacques Monod discovered the role of mRNA in protein synthesis (1961). ...
... genes encode a cell’s enzymes (1942) – Oswald Avery, Colin MacLeod, and Maclyn McCarty showed that DNA was the hereditary material (1944). – Francois Jacob and Jacques Monod discovered the role of mRNA in protein synthesis (1961). ...