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Phylum Arthropoda
Phylum Arthropoda

... appendages, which are sensory and used in feeding ...
Clostridium Clostridium is a genus of Gram
Clostridium Clostridium is a genus of Gram

... Clostridium perfringens is the most common bacterial agent for gas gangrene, which is necrosis, putrefaction of tissues, and gas production. It is caused primarily by Clostridium perfringens alpha toxin. The gases form bubbles in muscle (crepitus) and the characteristic smell in decomposing tissue. ...
ppt
ppt

... consequence of descent from common ancestors. Modern biologists view the classification system as a means of showing the phylogenetic relationships among groups ...
VPM 401
VPM 401

... those that dot not cause disease § Bacteria that cause disease are said to be pathogenic § The development and severity of bacterial infections are influenced by host-related determinants such as phy-biological status and immune competence § Commensal bacteria can cause opportunistic infection in th ...
QUORUM SENSING: Cell-to-Cell Communication in Bacteria
QUORUM SENSING: Cell-to-Cell Communication in Bacteria

... progeny while inhibiting the spread of nonkin. Clinical analyses show that each S. aureus group is the primary causative agent of a specific type of S. aureus disease. This suggests that cell-cell communication has been instrumental in establishing a specific niche for each “strain” (Novick 2003). The ...
Lecture 13-14 Dental plaque and caries
Lecture 13-14 Dental plaque and caries

... •Oral streptococci and commensal Neisseriae can attach to the pellicle and not directly to the enamel (n.b. they have enhanced binding ability and increased resistance to oral defense mechansims) ...
Genetics and Evolution of Deep-Sea Chemosynthetic Bacteria and
Genetics and Evolution of Deep-Sea Chemosynthetic Bacteria and

... The earth scientists who discovered deep-sea hydrothermal vent communities along the Galápagos Rift in 1977 set the stage for revealing chemosynthetic symbioses in animals. They found high concentrations of hydrogen sulfide in the vent effluents and hypothesized that “a significant proportion of the ...
Rapid Chromatic Detection of Bacteria by Use of a New Biomimetic
Rapid Chromatic Detection of Bacteria by Use of a New Biomimetic

... polymer (20). In all such systems, the mechanism for the chromatic transformations corresponds to surface perturbations and fluidity changes within the lipid domains, which induce the structural/chromatic transformations of the adjacent PDA matrix through the molecular interface between the two comp ...
2. Bacteria and archaea are the two main branches of prokaryote
2. Bacteria and archaea are the two main branches of prokaryote

... • Molecular evidence accumulated over the last two decades has lead to the conclusion that there are two major branches of prokaryote evolution, not a single kingdom as in the five-kingdom system. • These two branches are the bacteria and the archaea. • The archaea inhabit extreme environments and d ...
Phylogenies and pheromones
Phylogenies and pheromones

... unlike organisms over significant parts of their live span. This definition includes the whole range of biological interactions from mutualistic relationships via commensalism to parasitism, without specifying costs and benefits for the partners involved in the association (Douglas 2010). However, a ...
Phylums
Phylums

... those that do can be divided into two groups: – Those with an exoskeleton – a hard, waxy coating on the outside of the body that protects internal organs, provides a framework for support, and a place for muscle attachment. ...
Strep Throat - Sarpy/Cass Health Department
Strep Throat - Sarpy/Cass Health Department

... sore throat lasting longer than two days, a fever higher than 103 F in older children or any fever lasting longer than two days; rash, severe headache; joint pain or problems breathing or difficulty swallowing. It is possible to have many of these signs and symptoms but not have strep throat. The ca ...
Transitional forms between the three domains of life and
Transitional forms between the three domains of life and

... cell cytoplasm. Several proteins related to eukaryotic chromatin-associated ones are present in the Chlamydia trachomatis genome, suggesting a eukaryotic-like mechanism for chlamydial nucleoid condensation and decondensation [33]. Chlamydiae are also one of the few prokaryotic organisms reported to ...
Transitional forms between the three domains of life and
Transitional forms between the three domains of life and

... protein tubulin, is usually restricted to eukaryotes. Unlike most bacteria, some PVC members show alteration of the ftsZ gene, while it is absent in Chlamydiae and Planctomycetes [16,25]. Some Verrucomicrobia have both tubulin and FtsZ homologues encoded in their genome; a situation unique among all ...
SWI protocols
SWI protocols

... the biomass of a soil sample, calculate an antibiotic’s minimal inhibitory concentration (MIC) or the population density in a liquid culture. In most environmental samples, bacteria are highly numerous, ranging from the tens of thousands to the millions in as little as 1 ml of seawater or 1 g of soi ...
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Typhoid and Paratyphoid Fevers Fact Sheet

... typhoid fever carry the bacteria in their blood and intestine. A small number of people with typhoid fever, called carriers, recover from typhoid fever but continue to carry the bacteria. Both people ill with typhoid fever and carriers shed the bacteria in their feces (stool) and urine. You can get ...
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... Jawed vertebrates (Gnathostomata) Vertebrata Craniata ...
Goss`s Wilt on Grass Hosts - Purdue Agriculture
Goss`s Wilt on Grass Hosts - Purdue Agriculture

... Joe Ikley and Anna ...
Bacteriophage One-step Growth Curve A bacteriophage is a virus
Bacteriophage One-step Growth Curve A bacteriophage is a virus

... melted so that the phage sample and host bacteria can be easily mixed together. The host bacteria must be added because they multiply to form a lawn, and each hole in the lawn (plaque) indicates the activity of a virus. The host cells and phage samples are mixed together in a small volume of agar wh ...
Ch 23 bacteria notes - Firelands Local Schools
Ch 23 bacteria notes - Firelands Local Schools

... • Identify three habitats of archaea. • Describe the common methods used to identify bacteria. • Identify five groups of bacteria. • Explain the importance of nitrogen-fixing bacteria for many of Earth’s ecosystem. ...
microscope
microscope

... 16. The different reaction to Gram stain is due to the following except: a) Thicker peptidoglycan layer in Gram negative bacteria. b) Protoplasm of Gram +ve bacteria is strong acidic. c) Permeability in Gram +ve bacteria is less than in Gram –ve bacteria. ...
MB_23_win
MB_23_win

... • Identify three habitats of archaea. • Describe the common methods used to identify bacteria. • Identify five groups of bacteria. • Explain the importance of nitrogen-fixing bacteria for many of Earth’s ecosystem. ...
MB_23_win
MB_23_win

... • Identify three habitats of archaea. • Describe the common methods used to identify bacteria. • Identify five groups of bacteria. • Explain the importance of nitrogen-fixing bacteria for many of Earth’s ecosystem. ...
5.9 M - Thierry Karsenti
5.9 M - Thierry Karsenti

... the alveolates. Several related flagellates, such as Perkinsus and Colpodella have structures similar to the polar ring and were formerly included here, but most appear to be closer relatives of the dinoflagellates. They are probably similar to the common ancestor of the two groups. Another similari ...
eucoelomate protostomes
eucoelomate protostomes

... Standard protostomate characters (triploblastic, spiral determinate cleavage; coelom forms by schizocoely) but unique fundamental body plan. About 100,000 described species, extremely diverse body forms. ...
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Bacterial taxonomy

Bacterial taxonomy is the taxonomy, i.e. the rank-based classification, of bacteria.In the scientific classification established by Carl von Linné, each species has to be assigned to a genus (binary nomenclature), which in turn is a lower level of a hierarchy of ranks (family, suborder, order, subclass, class, division/phyla, kingdom and domain).In the currently accepted classification of Life, there are three domains (Eukaryotes, Bacteria and Archaea), which, in terms of taxonomy, despite following the same principles have several different conventions between them and between their subdivisions as are studied by different disciplines (Botany, zoology, mycology and microbiology), for example in zoology there are type specimens, whereas in microbiology there are type strains.
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