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0.4 Taxonomy of clinically relevant microorganisms

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Bacterial pathogens

The following tables list the species, and some higher groups, of pathogenic Eubacteria mentioned in the text. The classification of Bacteria, one of the three domains of life, is in constant flux as relationships become clearer through sampling of genetic sequences. Many groups at all taxonomic levels still have an undetermined relationship with other members of the phylogenetic tree of Bacteria. Bergey’s Manual of Systematics of Archaea and Bacteria maintains a published list and descriptions of prokaryotic species. The tables here follow the taxonomic organization in the Bergey’s Manual Taxonomic Outline. Bergey’s Manual Trust. Bergey’s Manual of Systematics of Archaea and Bacteria, Taxonomic Outline . 2012. http://www.bergeys.org/outlines.html

We have divided the species into tables corresponding to different bacterial phyla. The taxonomic rank of kingdom is not used in prokaryote taxonomy, so the phyla are the subgrouping below domain. Note that many bacterial phyla not represented by these tables. The species and genera are listed only under the class within each phylum. The names given to bacteria are regulated by the International Code of Nomenclature of Bacteria as maintained by the International Committee on Systematics or Prokaryotes.

Phylum Actinobacteria
Class Genus Species Related Diseases
Actinobacteria Corynebacterium diphtheriae Diptheria
Gardnerella vaginalis Bacterial vaginosis
Micrococcus Opportunistic infections
Mycobacterium bovis Tuberculosis, primarily in cattle
Mycobacterium leprae Hansen’s disease
Mycobacterium tuberculosis Tuberculosis
Propionibacterium acnes Acne, blepharitis, endophthalmitis
Phylum Bacteroidetes
Class Genus Species Related Diseases
Bacteroidia Porphyromonas Periodontal disease
Prevotella intermedia Periodontal disease
Phylum Chlamydiae
Class Genus Species Related Diseases
Chlamydiae Chlamydia psittaci Psittacosis
Chlamydia trachomatis Sexually transmitted chlamydia
Phylum Firmicutes
Class Genus Species Related Diseases
Bacilli Bacillus anthracis Anthrax
Bacillus cereus Diarrheal and emetic food poisoning
Listeria monocytogenes Listeriosis
Enterococcus faecalis Endocarditis, septicemia, urinary tract infections, meningitis
Staphylococcus aureus Skin infections, sinusitis, food poisoning
Staphylococcus epidermidis Nosocomial and opportunistic infections
Staphylococcus hominis Opportunistic infections
Staphylococcus saprophyticus Urinary tract infections
Streptococcus agalactiae Postpartum infection, neonatal sepsis
Streptococcus mutans Tooth decay
Streptococcus pneumoniae Pneumonia, many other infections
Streptococcus pyogenes Pharyngitis, scarlet fever, impetigo, necrotizing fasciittis
Clostridia Clostridium botulinum Botulinum poisoning
Clostridium difficile Colitis
Clostridium perfringens Food poisoning, gas gangrene
Clostridium tetani Tetanus
Phylum Fusobacteria
Class Genus Species Related Diseases
Fusobacteriia Fusobacterium Periodontal disease, Lemierre syndrome, skin ulcers
Streptobacillus moniliformis Rat-bite fever
Phylum Proteobacteria
Class Genus Species Related Diseases
Alphaproteobacteria Anaplasma phagocytophilum Human granulocytic anaplasmosis
Bartonella henselae Peliosis hepatitis, bacillary angiomatosis, endocarditis, bacteremia
Bartonella quintana Trench fever
Brucella melitensis Ovine brucellosis
Ehrlichia chaffeensis Human monocytic ehrlichiosis
Rickettsia prowazekii Epidemic typhus
Rickettsia rickettsii Rocky Mountain spotted fever
Rickettsia typhi Murine typhus
Betaproteobacteria Bordetella pertussis Pertussis
Eikenella Bite-injury infections
Neisseria gonorrhoeae Gonorrhea
Neisseria meningitidis Meningitis
Spirillum minus (alt. minor) Sodoku (rat-bite fever)
Epsilonproteobacteria Campylobacter jejuni Gastroenteritis, Guillain-Barré syndrome
Helicobacter pylori Gastric ulcers
Gammaproteobacteria Aeromonas hydrophila Dysenteric gastroenteritis
Coxiella burnetii Q fever
Enterobacter Urinary and respiratory infections
Escherichia coli
Strains:
shiga toxin-producing (STEC) (e.g., O157:H7) also called enterohemorrhagic E. coli (EHEC) or verocytotoxin-producing E. coli (VTEC)		 Foodborne diarrhea outbreaks, hemorrhagic colitis, hemolytic-uremic syndrome
Escherichia coli
Strain:
enterotoxigenic E. coli (ETEC)		 Traveler’s diarrhea
Escherichia coli
Strain:
enteropathogenic E. coli (EPEC)		 Diarrhea, especially in young children
Escherichia coli
Strain:
enteroaggregative E. coli (EAEC)		 Diarrheal disease in children and travelers
Escherichia coli
Strain:
diffusely adherent E. coli (DAEC)		 Diarrheal disease of children
Escherichia coli
Strain:
enteroinvasive E. coli (EPEC)		 Bacillary dysentery, cells invade intestinal epithelial cells
Francisella tularensis Tularemia
Haemophilus ducreyi Chancroid
Haemophilus influenzae Bacteremia, pneumonia, meningitis
Klebsiella pneumoniae Pneumonia, nosocomial infections
Legionella pneumophila Legionnaire’s disease
Moraxella catarrhalis Otitis media, bronchitis, sinusitis, laryngitis, pneumonia
Pasteurella Pasteurellosis
Plesiomonas shigelloides Gastroenteritis
Proteus Opportunistic urinary tract infections
Pseudomonas aeruginosa Opportunistic, nosocomial pneumonia and sepsis
Salmonella bongori Salmonellosis
Salmonella enterica Salmonellosis
Serratia Pneumonia, urinary tract infections
Shigella boydii Dysentery
Shigella dysenteriae Dysentery
Shigella flexneri Dysentery
Shigella sonnei Dysentery
Vibrio cholerae Cholera
Vibrio parahemolyticus Seafood gastroenteritis
Vibrio vulnificus Seafood gastroenteritis, necrotizing wound infections, septicemia
Yersinia enterocolitica Yersiniosis
Yersinia pestis Plague
Yersinia pseudotuberculosis Far East scarlet-like fever

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, Microbiology. OpenStax CNX. Nov 01, 2016 Download for free at http://cnx.org/content/col12087/1.4
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