Lindmark path-CH 19
Prescott principles ch. 19, Neinococci and Nonproteobacteria
Terms
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- Reticulate body (initial body)
- Fragile cell wall, sensitive to sonication, lysed by trypsin, no subunit in envelope, not infectious, RNA:DNA 3:1
- 3 chlamydiae species significant to humans
- Chlamydia trachomatis, Chlamydia psittaci, Chlamydia pneumoniae
- What does Chlamydia Trachomatis cause?
- Trachoma, nongonococcal urethritis, infects humans and mice
- What Chlamydiae life cycle stage is the Metabolic stage?
- Reticulate Body
- What are the 3 stages of lyme disease?
- localized, disseminated, and late
- What is the best studies genus of STD
- Chlamydia
- Chlamydia pneumoniae
- causes pneumonia, person to person transmission by respiratory secretions
- What are the 2 types of Syphilis?
- Venereal and congenital
- Proteobacteria
- Oldest of the Bacteria, organisms of multiple shapes or forms
- Major importance of Cyanobacteria
- Nitrogen fixation
- How is Lyme disease diagnosed?
- isolation of bacterium, PCR, and serological tests.
- Chlamydia psittaci
- Causes psittacosis (parrot disease) acquired by inhalation, treat with tetracyclines 10-14 days.
- What does Treponema pallidum cause?
- syphilis
- Disseminated stage
- occurs weeks or months after infection. Neuro abnormalities, heart inflammation and arthritis
- Sonication
- High vibrations controlled used to break bacterial cells
- Treatment, prevention and control of syphilis
- Antibiotics early, public education, follow up on sources and contacts, sexual hygiene, and condom use
- What stage is the infective stage in Chlamydiae life cycle?
- Elementary Body
- cause of lake blooms in nutrient rich ponds and lakes
- Cyanobacteria
- Why are chlamydia energy parasites?
- Dont have genes for substrate level phosphorylation, e- transport and oxidative phosphorylation
- Filamentous cyanobacteria reproduce by
- ------------ of
- One of few bacteria that has a life cycle
- Genus Chlamydia
- How is congenital syphilis transmitted?
- In utero
- Where are spirochetes usually found that makes them difficult to isolate?
- Our mouth
- What is the Number 1 reportable STD
- Chlamydia
- How is Vernerial syphilis transmitted?
- Sexually
- What is appearance of a spirochete?
- Coiled morphology, use multiple axial filaments for motility
- How is chlamydiae transmited
- interpersonal contact or airborne respiration.
- How do Colonial forms of Cyanobacteria divide?
- multiple fission.
- 1st evidence of photosynthetic bacteria by fossil record
- Photosynthetic bacteria
- tertiary stage of syphilis
- Almost imposs. to treat. Formation of gummas in skin, bone, and nervous system.
- Treatment, prevention and control of Lyme disease
- antibiotics in early stages, tick control and avoiding ticks
- What can reticulate bodies synthesize with host precursors
- Amino acids
- Late stage
- Occurs years later. Demylination of neurons, behavior changes and MS or Alzheimers like symptoms
- genus plantomyces
- attach to surfaces through stalk
- Most common STD in US
- Chlamydia trachomatis
- What does Chlamydia pneumonia cause?
- Human pneumonia and linked to coronary disease
- localized stage
- develops 1 wk to 10 days after infection. Bullseye appearing lesion, flu like symptoms
- What is an axial filament?
- Complex of axial fibrils (periplasmic flagella)
- What causes Lyme disease?
- Borrelia
- Primary stage of syphilis
- treated more easily. presents as chancre at sites and contains spirochetes
- What are gummas and what do they cause?
- Degenerative lesions, cause insanity as most prominent symptom
- Are cyanobacteria gram+ or gram-?
- Gram Negative
- How is Treponema pallidum treated?
- Penicillin- penetrates and disrupts peptidoglycan synthesis
- Many Cyanobacteria are
- Obligate photolithoautotrophs
- Whre do chlamydiae get majority of ATP from
- Host cell
- What is the major form of Lyme disease caused by?
- Borrelia brugdorferi
- Elementary body
- rigid cell wall, resistant to sonication, resistant to trypsin, subunit in cell envelope RNA:DNA 1/1 Isolated organisms infections, adapted for extracellular survival
- Secondary stage of syphilis
- Immitates small pox. Highly variable rash followed by latent period
- Chlamydia trachamonas
- MOST IMPORTANT causes blindness, urethritis, lymphogranuloma venereum. Treated with Tetracycline
- Phylum Planctomycetes
- have compartmentalized cell, lack peptidoglycan.
- Phylum Chlamydiae
- gram-, obligate intracellular parasites, need to be in cell to replicate, have both types of nucleic acid
- Signs, symptoms and treatment for lyme disease
- fever, headache, rash, fatigue- tx with antibiotics for few weeks.
- Cyanobacteria have phototrophic relationship with
- Lichen
- Heterocysts
- associated with inside of cell. Contain enzymes that fix nitrogen
- Shat does Chlamydia Trochomas cause
- Severe eye infections, may cause blindness. Is major cause of blindness in subSaharan Africa
- Where is the flagella attach?
- between cell wall and cytoplasmic membrane
- What are the 3 stages of syphilis?
- Primary, secondary, tertiary
- what does Chlamydia psittaci cause and organisms it infects?
- Psittacosis in humans. Infects humans and many other animals.
- Cyanobacteria have symbiotic relationship with
- Protozoa and fungi
- Cyanobacteria is major producer
- Oxygen
- Characteristics of Phylum Spirochaetes
- gram- bacteria with distinctive structure and motility. slender, long helical, flexible, crawling motion d/t axialfilament, chemoheterotrophs
- Which bodies have biosynthetic capabilities when supplied by host?
- Reticulate bodies
- how do Unicellular cyanobacteria divide?
- Binary fission
- nonmotile, coccoid, gram- bacteria, lack muramic acid and peptidoglycan
- Genus Chlamydia
- How is syphilis diagnosed?
- clinical history, microscopy and serology
- Thermophilic cyanobacteria can grow at temps up to
- 75 celcius
- How is Lyme disease transmitted
- From animal reservoirs (carry, no symptoms)
- What can result from lyme disease?
- Arthritis
- How is Borrelia burgdorferi named?
- After a person