Lecture 11 - Types of Bacteria Flashcards
4 Species of Clostridium
Clostridium perfringens
Clostridum botulinum
Clostridum tetani
Clostridium difficile
2 Species of Mycobacterium
tuberculosis
leprae
Which Phylum Does the Genus Mycobacterium Belong To?
Actinobacteria
Are Firmicutes (phylum) Gram Positive or Gram Negative?
Gram Positive
(purple)
Clostridium is Gram _____.
Positive
(purple)
Dx
diagnosis
Tx
Treatment/Therapy
Phylum for Bacillus anthracis
Firmicutes
Phylum for Staphylococcus aureus
Firmicutes
Phylum for Streptococcus pyogenes
Firmicutes
Phylum for Listeria monocytogenes
Firmicutes
Phylum for Mycoplasma pneumoniae
Firmicutes
Phylum for Mycobacterium tuberculosis
Actinobacteria
Phylum for Mycobacterium leprae
Actinobacteria
2 Major Gram Positive Phylums
Firmicutes
Actinobacteria
3 Major Gram Negative Phylums
Proteobacteria
Spirochaetes
Chlamydiae
Gram Positive Bacteria Stain _____.
Purple
Gram Negative Bacteria Stain _____.
Pink
Phylum for Borrelia burgdorferi
Spirochaetes
Phylum for Chlamydia trichomatis
Chlamydiae
Phylum for Rickettsia rickettsii
Proteobacteria
Phylum for Neisseria gonorroeae and Neisseria meningitidis
Proteobacteria
Phylum for Bordetella pertussis
Proteobacteria
Phylum for Helicobacter pylori
Proteobacteria
Phylum for Pseudomonas aeruginosa
Proteobacteria
Phylum for Vibrio cholerae
Proteobacteria
Phylum for Haemophilus influenzae
Proteobacteria
Phylum for Escherechia coli
Proteobacteria
Phylum for Salmonella
Proteobacteria
Phylum for Yersinia pestis
Proteobacteria
What level of Taxonomy is Enterobacteriales?
Order
What are the 3 Enterobacteriales studied in Lecture 11?
- Escherichia coli
- Salmonella
- Yersinia pestis
Phylum for Clostridum (perfringens, botulinum, tetani, difficile)
Firmicutes
Borrelia burgdorferi causes _____________.
Lyme Disease
#BullsEyeRash
Syphilis is caused by _________.
Treponema padillum
Describe the Stages of Syphilis
PRIMARY - Painless, hard, round chancres
SECONDARY - Enters Blood –> hairloss and rashes on skin & mucous membranes
Latency - can last for years
TERTIARY - Affect heart and CNS (central nervous system)
CNS
Central Nervous System
Common Vector of Lyme Disease (Borrelia burgdorferi)
Ticks
The STD Chlamydia is caused by __________.
Chlamydia trichomatis
Trachoma (an eye disease) is caused by ____________.
Chlamydia trichomatis
Trichiasis
eyelashes stab the eye
What is the leading cause of preventable blindness?
Chlamydia
Tx for Trachoma
SAFE
-Surgery
- Antibiotics (tetracycline in adults only)
- Facial Cleanliness
- Eye Exams
Who is affected more by Chlamydia? Women or Men?
Women
(4x as often as Men)
Rocky Mountain Spotted Fever AKA
Ricketts
Causes Ricketts
Rickettsia rickettsii
Common Vector of Ricketts
Ticks
Describe Neisseria gonorrhoeae
diploid
cocci
capsule
fimbriae
(Drawing in Google Drive)
Gonorrhea is caused by ________.
Neisseria gonorrhoeae
Meningitis is caused by ______.
Neisseria meningitidis
ABX
antibiotics
Mortality of Meningitis Without ABX
80%
Mortality of Meningitis With ABX
10%
What is meningitis?
Meningitis is the inflammation of the meninges.
(Meninges are the tissues covering the brain and spinal cord)
Pertussis AKA
Whooping Cough
Causes Whooping Cough
Bordetella pertussis
Causes Rocky Mountain Spotted Fever
Rickettsia rickettsii
Which Vaccine Prevents Whooping Cough?
Tdap
Describe Helicobacter pylori
-slender
-curved rod
-mutiple flagella
(Drawing in Google Drive)
Describe the Illness caued by H. pylori
H. pylori secrets the enzyme urease and attaches to the stomach lining causing peptic ulcers and stomach cancer
Can children be treated for bacterial infections with Tetracyclines?
No, because it can be toxic to bone development.
Causes Swimmer’s Ear
Pseudomonas aeruginosa
Describe Pseudomonas aeruginosa
bacilli with polar flagella
(Drawing in Google Drive)
Common Cause of Nosocomial Infections in Immunocompromised Patients
Pseudomonas aeruginosa
Causes Cholera
Vibrio cholerae
Describe Vibrio cholerae
comma shaped with a flagella
Consuming which food is often the cause of cholera?
Shellfish
Haemophilus influenzae does NOT casuse _______.
The Flu
What does Haemophilus influenzae require to grow?
blood
What parts of the body are typically affected by Haemophilus influenzae infections?
mucous membranes
upper respiratory tract
mouth
vagina
GI Tract
Most common cause of UTI
Escherichia coli
UTI
urinary tract infection
Causes the Plague
Yersinia pestis
Plague in the Lymph Nodes
Bubonic Plague
Plague in the Lungs
Pneumonic Plague
Plague in the Blood
Septicemic Plague
When someone is Septicemic with Yersinia pestis, what is their chance of survival without ABX?
50%
Gangrene AKA
Black Death
2 Major Signs and Symptoms of the Plague (Yersinia pestis)
buboes & gangrene
TB
Tuberculosis
Causes TB
Mycobacterium tuberculosis
Causes Lepracy
Mycobacterium leprae
Actintobacteria does not Gram Stain well and should therefore undergo __________ Staining instead?
Acid Fast
Hansen’s Disease AKA
Lepracy
Causes Tetanis
Clostridium tetani
Causes Botulism
Clostridium botulinum
Botulism prevents _______.
Muscle CONTRACTION
Tetani prevents _________.
Muslce RELAXATION
#spasticparalysis
What disease is common with long-term ABX use?
C. diff
Causes C. diff
Clostridum difficile
Symtpoms of C. diff
Deadly Diarrhea
Common Tx of C. diff
fecal transplant
Causes Anthrax
Bacillus anthracis
Bacillus anthracis can form _______.
endospores
What foods are often the culprits of Anthrax?
food poisoning in starchy foods
Mortality Rate of Cutaneous, GI, and Pulmonary Anthrax Infections
Cutaneous 20%
GI 50%
Pulmonary nearly 100% death w/in 24 hours
Describe Staphylococcus aureus
yellow, grapelike clusters of round bacteria
suppurative
pus-producing
Furuncle vs Carbuncle
Furuncle = Boil
Carbuncle = Deep Boil
Which 2 Species can cause Impetigo
Staphylococcus aureus
Streptococcus pyogenes
Which 2 species are hemolytic on blood agar?
Staphylococcus aureus
Streptococcus pyogenes
Which Group of Streptococcus pyogenes is the most pathogenic?
Group A
hemolytic
destroys RBCs (Red Blood Cells)
Common Cause of Strep Throat
Streptococcus pyogenes
Common Cause of Scarlett Fever
Streptococcus pyogenes
necrotizing fasciitis
death of the connective tissue surrounding muscles, blood vessels, and nerves
Causes Listeria
Listeria monocytogenes
Causes Walking Pneumonia
Mycoplasma pneumoniae
signs
OBJECTIVE evidence of disease and can be measured
(temp, BP, sweating, etc)
symptoms
SUBJECTIVE evidence of disease - can’t be observed by others, but can be explained by the patient
(i.e. throbbing, pain, headache, hot, etc)
What is the largest and most phenotypically diverse phylum of bacteria?
Proteobacteria
Vector-Borne Disease
illness caused by infectious microbes and transmitted to people by blood-sucking arthropods
vector
any arthropod that transmits disease by feeding
chocolate agar
non-selective, enriched growth medium with sheep blood
What are the two drugs the CDC recommends using to treat gonorrhea?
1 Dose Ceftriaxone & Azithromycin
What color should spinal fluid be?
clear
AMS
altered mental status
meninges
membranes covering the brain and spinal cord
nosocomial infections
infections acquired at a hospital or during healthcare treatment
shape of vibrio bacteria
comma shaped