Genus | what they do | Name |
Genus Borrelia | causes lyme disease
- vectored into humans bu the bite of the deer | burgdorferi |
Genus Treponema | causes syphilis | pallidum |
Genus Campylobacter | often found cattle, pig, chicken intestines and containing meat products..cause of entry (food poisoning) | jejeuni- |
Genus Helicobacter | infection with this organism is a necessary prerequisite for a gastric ulcer | pylori- |
Gebus Legionella | -knows to be common in streams as well as sometimes in the water lines of air-conditioning systems.
killed 26 in a mysterious pneumonia outbreak at a 1976 convention in philly. | pneumonia |
Genus Neisseria | - sexual transmitted disease, cause sterility and scar Fallopian tubes | gonorrhea |
Genus Pseudomonas | very common in water and soil, resistant to many antibiotics and disinfectant
- cause UTI wound infections, dangerous for burn patient.
-Produces green and blue pigments | Pseudomonas |
Genus Enterobacter | aerogenes | aerogenes |
Genus Escherichia | guinea pig
-very well characterized, used in pioneering studies and some strains cause traveler's diarrhea and strain is pathogenic | coli- |
Genus Klebsiella | cause pneumonia in elderly and immunocompromised | pneumoniae- |
Genus Proteus | highly motile | vulgaris- |
Genus salmonella | - cause of typhoid fever
- a big killer before good sanitation practices municipal treatment of sewage and drinking water | typhi |
Genus salmonella | - cause of salmonellosis aka food poisoning | enteritidis |
Genus Shigella | resembles E.coli except it almost produces a variety of enterotoxins | Shigella |
Genus Yersinia | - vectored into humans by bites of infected fleas causes plagues.
-bubonis plague (LYMPHATIC infection) has an untreated mortality of 50%-75%
-Pneumonic plague nearly always kills
-pestis was the probable cause of the black death in europe | pestis |
Genus Vibrio | - cause of cholera
- produces a powerful enterotoxin that inhibits water absorption by the large intestine
- watery diarrhea, death by dehydration in hours
-occur in poor country | cholerae |
Genus Haemophilus | - only grows on blood-based media in laboratory and was discovered and misidentified as the cause of the 1890 influenza pandemic
-found in nasopharynx of 75% of people.
-virulent strains cause meningitis, earache, epligottitis and pneumonia. | influenzae |
Genus Bacteriodes | - strict anaerobe
-very common in human colon
-cause peritonitis from penetrating abdominal wounds (gun wound or ruptured appendix) | fragilis- |
Genus Staphylococcus | can be quite pathogenic
-commonly found on skin, ares, groin and axillae
-produces a variety of toxins and tissue-destroting enzymes
-very resistant to drying and heat and antibiotics
-can cause toxins shock syndrome, abscesses, wound infections fp | aureus |
Genus Streptococcus | -normal oral flora
-forms bio-films on teeth
-oral surgery can accidentally inoculate them into blood stream where they can wind up growing on heart valves, lining of the heart which is very dangerous | mutans |
Genus Streptococcus | -encapsulated
-cause pneumoniae expecially in children and elderly | pneumoniae |
Genus Streptococcus | causes strep throat | pyogenes |
Genus Streptococcus | -lactose fermented used in yogurt manufacture | lactis |
Genus Bacillus | first bacterium identified as the cause of a disease.
-primarily a disease of livestock, infection results from inhalation or ingestion of spores
-vegetative bacteria produce deadly exotoxins which cause death by circulatory collapse and pulmonary edema | anthracis |
Genus Clostridium | -extremely powerful neurotoxins
-causes flaccid paralysis, respiratory arrest, death | Botulinum |
Genus Clostridium | -cause of super-infection colon
-toxins damage lining of colon | difficile |
Genus Clostridium | -produces an assortment of tissue- destroying enzymes and toxins
-cause of gas gangrene | perfringens |
Genus Clostridium | -produces powerful neurotoxins which cause spastic paralysis | tetani |
Genus Streptomyces | - various members are responsible for the production for many of our natural antibiotic drugs | Streptomyces |
Genus Lactobacillus | -ferment carbohydrates producing acids
-a common and necessary member of the vaginal normal flora
-prevent yeasts and other pathogens | lactobacilli |
Genus listeria | -able to grow in refrigerated food
-found widely in animal populations
-infection in pregant women can result serious consequences to her fetus | monocytogenes |
Genus Corynebacterium | - cause diphtheria- a serious respiratory infection until 1935 killed more children in the USA than any other infectious disease. | diphtheriae |
Genus Mycobacterium | - a growing problem in AIDS patients
-many strains are multiply-resistant and some strains are not treatable | tuberculosis |
Genus Mycobacterium | cause of Hansen's disease
-extremities affected (grows best at slightly lower temp found on hand, feet and face) | leprae |
Genus Mycobacterium | group of related mycobacterial species that have become a significant opportunistic pathogens in HIV/AIDS patients | avium |
Genus Mycoplasma | tiny bacterium causes mild (walking) pneumonia | pneumoniae |
Genus Trichophyton | produces keratinases that allow it to digest and live in, the keratin abundant in hair, nail or nail tissues
-responsible for many fungal infections of the hair nail skin | trichopton |
Genus Epidermophyton | fungus affect only skin and nails | Epidermophyton |
Genus Microsporum | fungus tend to prefer hair or skin to nails | Microsporum |
Genus candida | fungus responsible for most human yeast infection both in the vagina and mouth | candida |
Genus Histoplasma | -often abundant in deposits of bird or bat dropping and human become infected by inhalation
-fungus grow in the lungs and ocasional enter blood stream | Histoplasma |
Genus Aspergillus | -common mold that can grow on plants and sometimes produces very toxic aflatoxins. corn and peanuts can be contaminate by it. | Aspergillus |
Genus Pneumocystics | though to be a protozoan but recent evidence suggests that it is a fungus.
-Harmless to healthy persons
- it pneumonia is a significant illness in person with HIV/AIDS | Pneumocystics |
Genus Neisseria | - causes meningococcal meningitis | meningitis |
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