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chapters 1-6
n/a
207
Microbiology
Undergraduate 2
02/07/2012

Additional Microbiology Flashcards

 


 

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Term
eukaryotes cell membrane
Definition
forms cell boundry, transports nutrients across membrane, made up of phospholipids, sterols, and proteins.
Term
eukaryote cytoskeleton
Definition
provide shape and size to cell,
polymerized protein filaments
Term
rough ER
Definition
has ribosomes
80 S ribosomes (size and shape)
Term
Ribosomes
Definition
complex of RNA, protein synthesis
Term
golgi apparatus
Definition
glycoprotein export
Term
lysosomes
Definition
degrative enzymes
(destroy everything inside)***
Term
proteasomes
Definition
protein degration machinery
(chemical signal needed something destroyed)***
Term
prokaryote cytoskeleton
Definition
polymerized protein filaments in spiral form

2 spirals control length and width
Term
gram-postive cell wall
Definition
(purple color)**

composed of peptidoglycan(murein) & teichoic acid
Term
gram negative cell wall
Definition
(pink color)***

3 layers:
-lipopolysaccharide
-outer membrane
-peptioglycan
Term
lipopolysaccharide
Definition
functions as a pyrogen(fever inducer)
-fever is an indication of inflamation & infection.
Term
glycolax
Definition
capsule or slime layer,
not in all bacteria

layer ouside cell wall
Term
plasmids
Definition
circular mini-chromosomes,
genes provide additional capabilities to cell:
-antibiotic resistances (produces protein to destroy)
-production of capsules
-growth of unusual nutrients (fatty acids,etc)
Term
R-Pilus
Definition
produce by cells with an R plasmid (R+ cells),
R= antibiotic resistance,

allows attatchment to an R- cell (tube)
Term
COMJUGATION
Definition
copy of R plasmid transfered to R- cell (trough tube)
R- becomes R+ cell
Term
condenser lens
Definition
the light being focused onto the specimen
Term
stage
Definition
holds the slide
Term
objective lens
Definition
performs the 1st stage of magnification low power, medium power, high power, oil immersion
Term
phase contrast microscope advantage
Definition
able to see transparent, non-colored objects against a backrgound or vise versa
Term
fluorescense microscope advantage
Definition
makes objects apear colored against a dark background
Term
atomic force microscope advantage
Definition
provide magnification at the single atom level.
Term
eukaryotes
Definition
nucleus
large cell
animals, algae, plants, protozoa, fungi
Term
prokaryotes
Definition
no defined nucleus
small cell
bacteria, archaea
Term
eukaryotes cell membrane
Definition
forms cell boundry, transports nutrients across membrane, made up of phospholipids, sterols, and proteins.
Term
eukaryote cytoskeleton
Definition
provide shape and size to cell,
polymerized protein filaments
Term
nucleus
Definition
organelle bounded by a nuclear membrane, holds chromosomes
mulitiple linear chromosomes,
each chromosome is 1 DNA molecule complexed by histones
Term
rough ER
Definition
has ribosomes
80 S ribosomes (size and shape)
Term
Ribosomes
Definition
complex of RNA, protein synthesis
Term
golgi apparatus
Definition
glycoprotein export
Term
lysosomes
Definition
degrative enzymes
(destroy everything inside)***
Term
proteasomes
Definition
protein degration machinery
(chemical signal needed something destroyed)***
Term
Mitochondria
Definition
in all eukaryotes,
in the ER,

70 S ribosomes,
1 circular chromosome,
inherited maternally in animals,

-Krebs cycle
-Electron Transport(respiration)*get ATP from
Term
chrolorplasts
Definition
found in plants and algae,
site of photosynthesis

C02 + H2o----> sugar +O2

70 S ribosomes
Term
Flagella & Cilia
Definition
locomotor organs based on tubulin (microtubules)
spindle fiber (mitosis) are also microtublules
Term
Prokaryotic Cells
Definition
simpler in structure,
No Golgi, lysosomes, mitochondria, chloroplasts,
Term
prokaryote cell membrane
Definition
-no sterols*

transport is primarly active transport*
Term
prokaryote cytoskeleton
Definition
polymerized protein filaments in spiral form

2 spirals control length and width
Term
Cell Wall
Definition
eukaryotes dont have one**,
rigid structure exterior to cell membrane,
protects against osmotic stress,

2 types: gram-positive, gram-negative
Term
gram-postive cell wall
Definition
(purple color)**

composed of peptidoglycan(murein) & teichoic acid
Term
ex of gram postive cells
Definition
staphylococcus aureus:cluster of round cells with golden yellow color,

streptococcus pheumoniae: chains of round cells causes pheumonia (infection of lung)

bacillus anthracis: rod shaped, disease causes anthrax (blackening of skin)
Term
gram negative cell wall
Definition
(pink color)***

3 layers:
-lipopolysaccharide
-outer membrane
-peptioglycan
Term
lipopolysaccharide
Definition
functions as a pyrogen(fever inducer)
-fever is an indication of inflamation & infection.
Term
examples of gram neg. cells
Definition
escherichia coli: e-coli(found in colon/intestines)

salmonella enterica: GI tract (contamination of food)

vibrio cholerae: comma shaped-water borne infection
Term
glycolax
Definition
capsule or slime layer,
not in all bacteria

layer ouside cell wall
Term
Virulence (allow to cause disease) Factor
Definition
prevention of phagocytosis,
**attachement to cell & tissue surfaces (sticky)
Term
Nucleoid (instead of nucleus)
Definition
located in cytoplasm,
carries genes for bacterial function
Term
plasmids
Definition
circular mini-chromosomes,
genes provide additional capabilities to cell:
-antibiotic resistances (produces protein to destroy)
-production of capsules
-growth of unusual nutrients (fatty acids,etc)
Term
axial filaments
Definition
locomotor organ in spirochetes,
flagella encased in a memebrane
Term
R-Pilus
Definition
produce by cells with an R plasmid (R+ cells),
R= antibiotic resistance,

allows attatchment to an R- cell (tube)
Term
COMJUGATION
Definition
copy of R plasmid transfered to R- cell (trough tube)
R- becomes R+ cell
Term
sugar
Definition
a group of organic compounds containing C,H & O atoms, souluble in water, hyrophilic
Term
fructose
Definition
commonly found in fruits and honey
Term
glucose
Definition
added in "energy" drinks
Term
monosaccharide
Definition
"simple sugars"
eg: fructose and glucose
Term
sucrose
Definition
obtained from sugarcane, commonly called table sugar
Term
dissacharide
Definition
2 simple sugars covalently joined
Term
polysaacharide
Definition
sugar polymers or Glycans

eg: cellulose & starch
Term
cellulose
Definition
polymer of glucose

eg: wood, paper, & cotton
"insolublar fiber"
Term
starch
Definition
polymer of glucose

eg: potatoes & bread
broken down by the body to glucose
further metabolized to give energy
Term
Lipids (fats)
Definition
compounds of C,H& a little O.

dont disolve in water
hydrophobic
Term
Triglyceride
Definition
3 fatty acids attatched to a glycerol
Term
diglyceride
Definition
2 fatty acids attatched to glycerol
Term
monoglyceride
Definition
1 fatty acid attatched to glycerol
Term
satturated fatty acid
Definition
no double bonds
Term
monosaturated acid
Definition
single double bond
Term
polysaturated acid
Definition
more than 1 double bond
Term
saturated fats
Definition
solid at room temperature
Term
unsaturated fats
Definition
liquid
often called oils
Term
phospholipid
Definition
2 fatty acids & terminal phosphate attatched to a glycerol
Term
eg. of steriods and sterols
Definition
cholesterol and estrogen
Term
proteins
Definition
compounds of C,H,O & N
Term
how many different amino acids are there
Definition
22 different kinds
Term
primary structure
Definition
every protein has specific order of amino acids in the chain

made by cellular machinary called ribosomes
Term
secondary structure
Definition
as the protein in synthesized, chain begins folding
Term
tertiary structure
Definition
when the 2nd structure further folds itself
Term
quatemary structure
Definition
2 protein molecules can interact specifically w each other
Term
what are the active forms of proteins?
Definition
3* and 4*
Term
limit of resolution
Definition
seeing 2 tiny objects as 1 by the eye when placed closer than 0.1mm apart
Term
illuminator
Definition
the light source in the base
Term
condenser lens
Definition
the light being focused onto the specimen
Term
stage
Definition
holds the slide
Term
objective lens
Definition
performs the 1st stage of magnification low power, medium power, high power, oil immersion
Term
phase contrast microscope advantage
Definition
able to see transparent, non-colored objects against a backrgound or vise versa
Term
fluorescense microscope advantage
Definition
makes objects apear colored against a dark background
Term
atomic force microscope advantage
Definition
provide magnification at the single atom level.
Term
eukaryotes
Definition
nucleus
large cell
animals, algae, plants, protozoa, fungi
Term
prokaryotes
Definition
no defined nucleus
small cell
bacteria, archaea
Term
eukaryotes cell membrane
Definition
forms cell boundry, transports nutrients across membrane, made up of phospholipids, sterols, and proteins.
Term
eukaryote cytoskeleton
Definition
provide shape and size to cell,
polymerized protein filaments
Term
nucleus
Definition
organelle bounded by a nuclear membrane, holds chromosomes
mulitiple linear chromosomes,
each chromosome is 1 DNA molecule complexed by histones
Term
rough ER
Definition
has ribosomes
80 S ribosomes (size and shape)
Term
Ribosomes
Definition
complex of RNA, protein synthesis
Term
golgi apparatus
Definition
glycoprotein export
Term
lysosomes
Definition
degrative enzymes
(destroy everything inside)***
Term
proteasomes
Definition
protein degration machinery
(chemical signal needed something destroyed)***
Term
Mitochondria
Definition
in all eukaryotes,
in the ER,

70 S ribosomes,
1 circular chromosome,
inherited maternally in animals,

-Krebs cycle
-Electron Transport(respiration)*get ATP from
Term
chrolorplasts
Definition
found in plants and algae,
site of photosynthesis

C02 + H2o----> sugar +O2

70 S ribosomes
Term
Flagella & Cilia
Definition
locomotor organs based on tubulin (microtubules)
spindle fiber (mitosis) are also microtublules
Term
Prokaryotic Cells
Definition
simpler in structure,
No Golgi, lysosomes, mitochondria, chloroplasts,
Term
prokaryote cell membrane
Definition
-no sterols*

transport is primarly active transport*
Term
prokaryote cytoskeleton
Definition
polymerized protein filaments in spiral form

2 spirals control length and width
Term
Cell Wall
Definition
eukaryotes dont have one**,
rigid structure exterior to cell membrane,
protects against osmotic stress,

2 types: gram-positive, gram-negative
Term
gram-postive cell wall
Definition
(purple color)**

composed of peptidoglycan(murein) & teichoic acid
Term
ex of gram postive cells
Definition
staphylococcus aureus:cluster of round cells with golden yellow color,

streptococcus pheumoniae: chains of round cells causes pheumonia (infection of lung)

bacillus anthracis: rod shaped, disease causes anthrax (blackening of skin)
Term
gram negative cell wall
Definition
(pink color)***

3 layers:
-lipopolysaccharide
-outer membrane
-peptioglycan
Term
lipopolysaccharide
Definition
functions as a pyrogen(fever inducer)
-fever is an indication of inflamation & infection.
Term
examples of gram neg. cells
Definition
escherichia coli: e-coli(found in colon/intestines)

salmonella enterica: GI tract (contamination of food)

vibrio cholerae: comma shaped-water borne infection
Term
glycolax
Definition
capsule or slime layer,
not in all bacteria

layer ouside cell wall
Term
Virulence (allow to cause disease) Factor
Definition
prevention of phagocytosis,
**attachement to cell & tissue surfaces (sticky)
Term
Nucleoid (instead of nucleus)
Definition
located in cytoplasm,
carries genes for bacterial function
Term
plasmids
Definition
circular mini-chromosomes,
genes provide additional capabilities to cell:
-antibiotic resistances (produces protein to destroy)
-production of capsules
-growth of unusual nutrients (fatty acids,etc)
Term
axial filaments
Definition
locomotor organ in spirochetes,
flagella encased in a memebrane
Term
R-Pilus
Definition
produce by cells with an R plasmid (R+ cells),
R= antibiotic resistance,

allows attatchment to an R- cell (tube)
Term
COMJUGATION
Definition
copy of R plasmid transfered to R- cell (trough tube)
R- becomes R+ cell
Term
sugar
Definition
a group of organic compounds containing C,H & O atoms, souluble in water, hyrophilic
Term
fructose
Definition
commonly found in fruits and honey
Term
glucose
Definition
added in "energy" drinks
Term
monosaccharide
Definition
"simple sugars"
eg: fructose and glucose
Term
sucrose
Definition
obtained from sugarcane, commonly called table sugar
Term
dissacharide
Definition
2 simple sugars covalently joined
Term
polysaacharide
Definition
sugar polymers or Glycans

eg: cellulose & starch
Term
cellulose
Definition
polymer of glucose

eg: wood, paper, & cotton
"insolublar fiber"
Term
starch
Definition
polymer of glucose

eg: potatoes & bread
broken down by the body to glucose
further metabolized to give energy
Term
Lipids (fats)
Definition
compounds of C,H& a little O.

dont disolve in water
hydrophobic
Term
Triglyceride
Definition
3 fatty acids attatched to a glycerol
Term
diglyceride
Definition
2 fatty acids attatched to glycerol
Term
monoglyceride
Definition
1 fatty acid attatched to glycerol
Term
satturated fatty acid
Definition
no double bonds
Term
monosaturated acid
Definition
single double bond
Term
polysaturated acid
Definition
more than 1 double bond
Term
saturated fats
Definition
solid at room temperature
Term
unsaturated fats
Definition
liquid
often called oils
Term
phospholipid
Definition
2 fatty acids & terminal phosphate attatched to a glycerol
Term
eg. of steriods and sterols
Definition
cholesterol and estrogen
Term
proteins
Definition
compounds of C,H,O & N
Term
how many different amino acids are there
Definition
22 different kinds
Term
primary structure
Definition
every protein has specific order of amino acids in the chain

made by cellular machinary called ribosomes
Term
secondary structure
Definition
as the protein in synthesized, chain begins folding
Term
tertiary structure
Definition
when the 2nd structure further folds itself
Term
quatemary structure
Definition
2 protein molecules can interact specifically w each other
Term
what are the active forms of proteins?
Definition
3* and 4*
Term
limit of resolution
Definition
seeing 2 tiny objects as 1 by the eye when placed closer than 0.1mm apart
Term
illuminator
Definition
the light source in the base
Term
condenser lens
Definition
the light being focused onto the specimen
Term
stage
Definition
holds the slide
Term
objective lens
Definition
performs the 1st stage of magnification low power, medium power, high power, oil immersion
Term
phase contrast microscope advantage
Definition
able to see transparent, non-colored objects against a backrgound or vise versa
Term
fluorescense microscope advantage
Definition
makes objects apear colored against a dark background
Term
atomic force microscope advantage
Definition
provide magnification at the single atom level.
Term
eukaryotes
Definition
nucleus
large cell
animals, algae, plants, protozoa, fungi
Term
prokaryotes
Definition
no defined nucleus
small cell
bacteria, archaea
Term
eukaryotes cell membrane
Definition
forms cell boundry, transports nutrients across membrane, made up of phospholipids, sterols, and proteins.
Term
eukaryote cytoskeleton
Definition
provide shape and size to cell,
polymerized protein filaments
Term
nucleus
Definition
organelle bounded by a nuclear membrane, holds chromosomes
mulitiple linear chromosomes,
each chromosome is 1 DNA molecule complexed by histones
Term
rough ER
Definition
has ribosomes
80 S ribosomes (size and shape)
Term
Ribosomes
Definition
complex of RNA, protein synthesis
Term
golgi apparatus
Definition
glycoprotein export
Term
lysosomes
Definition
degrative enzymes
(destroy everything inside)***
Term
proteasomes
Definition
protein degration machinery
(chemical signal needed something destroyed)***
Term
Mitochondria
Definition
in all eukaryotes,
in the ER,

70 S ribosomes,
1 circular chromosome,
inherited maternally in animals,

-Krebs cycle
-Electron Transport(respiration)*get ATP from
Term
chrolorplasts
Definition
found in plants and algae,
site of photosynthesis

C02 + H2o----> sugar +O2

70 S ribosomes
Term
Flagella & Cilia
Definition
locomotor organs based on tubulin (microtubules)
spindle fiber (mitosis) are also microtublules
Term
Prokaryotic Cells
Definition
simpler in structure,
No Golgi, lysosomes, mitochondria, chloroplasts,
Term
prokaryote cell membrane
Definition
-no sterols*

transport is primarly active transport*
Term
prokaryote cytoskeleton
Definition
polymerized protein filaments in spiral form

2 spirals control length and width
Term
Cell Wall
Definition
eukaryotes dont have one**,
rigid structure exterior to cell membrane,
protects against osmotic stress,

2 types: gram-positive, gram-negative
Term
gram-postive cell wall
Definition
(purple color)**

composed of peptidoglycan(murein) & teichoic acid
Term
ex of gram postive cells
Definition
staphylococcus aureus:cluster of round cells with golden yellow color,

streptococcus pheumoniae: chains of round cells causes pheumonia (infection of lung)

bacillus anthracis: rod shaped, disease causes anthrax (blackening of skin)
Term
gram negative cell wall
Definition
(pink color)***

3 layers:
-lipopolysaccharide
-outer membrane
-peptioglycan
Term
lipopolysaccharide
Definition
functions as a pyrogen(fever inducer)
-fever is an indication of inflamation & infection.
Term
examples of gram neg. cells
Definition
escherichia coli: e-coli(found in colon/intestines)

salmonella enterica: GI tract (contamination of food)

vibrio cholerae: comma shaped-water borne infection
Term
glycolax
Definition
capsule or slime layer,
not in all bacteria

layer ouside cell wall
Term
Virulence (allow to cause disease) Factor
Definition
prevention of phagocytosis,
**attachement to cell & tissue surfaces (sticky)
Term
Nucleoid (instead of nucleus)
Definition
located in cytoplasm,
carries genes for bacterial function
Term
plasmids
Definition
circular mini-chromosomes,
genes provide additional capabilities to cell:
-antibiotic resistances (produces protein to destroy)
-production of capsules
-growth of unusual nutrients (fatty acids,etc)
Term
axial filaments
Definition
locomotor organ in spirochetes,
flagella encased in a memebrane
Term
R-Pilus
Definition
produce by cells with an R plasmid (R+ cells),
R= antibiotic resistance,

allows attatchment to an R- cell (tube)
Term
COMJUGATION
Definition
copy of R plasmid transfered to R- cell (trough tube)
R- becomes R+ cell
Term
archaea
Definition
prokaryote-
very common in nature-dominant in the ocean,

many found in extreme environments:
-low pH
-high temp
-high salt
Term
thermophilic archaea
Definition
found in hot springs, geysers, hydrothermal vents,

grow at temperatures between 85*C-122*C
Term
Hydrothermal vents
Definition
hot 350* suflide-rich gases hit 4*C ocean water,
chemicals precipitate to form "chimneys",

geysers on ocean floor or underwater volcanos
Term
Halophiles
Definition
"salt loving"
survive under very high salt concentrations (25%),

salt pans(make sea salt), Dead Sea, salt lakes
Term
Methanogens
Definition
marshes, landfills, septic system, mammalian intestines,

produce methane
Term
ARMAN group
Definition
archael Richmond Mind (found in minds)
(Acidophilic Nanoorganisms),

acid mine dranage, acid bogs (pH <1.5)
Term
the Alpha proteobacteria
Definition
plant symbionts or pathogens,
animal pathogens, including insects,

often intracellular,
insects can result in male sterility and behavior changes,

mitochondria deveolped from this group
Term
Rickesttsia rickettsii
Definition
(insect borne, insect vector),

intracellular pathogen,
Rocky Mt. spotted fever,
Found in most North and Central America
transmitted by ticks,
fever, headache, myalgia (muscle ache), rash at ankles, wrists, then trunk
Term
The Beta proteobacteria
Definition
mostly environmental organisms
Term
Neisseria Gonorrheae
Definition
cocci in pairs,
STD,
organism colonizes mucosal surfaces,
many asymptomatic, infection resolves (no symptoms):

Symptoms: purulent yellow genital discharge, painful urination, abdominal pain.

Untreated Gonorrheae: Meningitis, autoimmune arthritis, Pelvic Inflamatory Disease, infec. of babys eye when born *Neonatal ophthalmia
Term
Neisseria Meningitidis
Definition
cocci in pairs,
some adults carry organism in nasopharynx (asymptomatic),
Meningitis-respiratory infection (spread in epidemic form),

Symptoms: fever, fatigue, stiff neck, headaches,coma,

vaccine available,

Meningis-covering in brain and spinal cord
Term
Y-Proteobacteria (Gamma)
Definition
very large group,

many faculative anaerobes (adapts metabolism in presense/absense O2),

several are intestinal microorganisms
Term
Pseudomonas aeruginosa
Definition
common in soil & aquatic organisms,

short rods with flagella,
ability to form biofilms(organism growing on surface),
injects toxic proteins into competting bacteria,

Oppurtuntistic Infections(organism may be harmless but can become dangerous):
-cystic fibrosis-burn patients,
-hiosptial-aquired infections (pt to pt),
-hot tub dermatitis(film on tub gets on skin).

-resistant to germicides, many antibiotics, grows on petroleum,

*only thing that kills it is bleech**
Term
Vibrio cholerae
Definition
bent rods,
causes cholerae-water borne infection,
fecal-oral transmission,
-fecal matter has to come in contact with the water supply.
cholerae exotoxin affects Cl- transport: intestine,lung,

Symptoms: watery diarrhea-->severe dehydration,
dehydration-->suken eyes,wrinkled skin,

oral rehydration therapy increases survival

outbreaks where sanitation is a problem.

bacterophages keep organism levels undercontrol.

cystic Fibrosis pts resistant to cholera
Term
Escherichia coli
Definition
e-coli**,

component of the intestinal microbiota.
accidental contamination on hands and skin,

Gastroenteritis(food poisioning) food handlers
-UTI in women due to fimbrae,
Term
Salmonella enterica
Definition
intestinal microbiota in mammals & reptiles.

-Gastroenteritits from raw egg products, mayo, uncooked/undercooked fruits/salad, children can contract from petting zoo,

-Symptoms: nausea, vomitting, & fever.
can cause systematic infection-->liver, nervous system, gall bladder,

cause typoid-->high fever, loss apitite, rose-colored spots on chest & abdomin, abdominal pain
Term
Yersinia pestis
Definition
responsible for bubonic plague (Black Death),
bitre from an infected rat flea,

Bubonic Form:
-lethary, Fever(over 6 days)
swelling of lymph nodes (=buboes)
-Gangrene in extremitites (=black death)
Term
Haemophilus influenza type B
Definition
resident of upper respiratory tract--causes Meningitis & pneumonia
-varying length rods w/ capsules (virulence),
-oppurtunistic/secondary infection,

-Meningitis 50% cases w/ fever, headaches, stiff neck, ear infections pneumonia,

-lack of properdin (complement protein destroy gram-neg bacterial cells) predispores to Meningitis,
-20% Meningitis cases--->hearing loss

Hib vaccine
Term
E-Proteobacteria (Epsiolon)
Definition
many are residents of intestinal tract,

-some found in hydrothermal vent organisms
Term
Helicobacter pylori
Definition
resident of vertebrate stomachs,
-from food, most adults will be infected,

-associated w/ mucus on gastric lining,

-urea release by lining, organism produces urease

urea---->CO2 + NH3(ammonia)

organism dampens immune response to survive
Term
Plantomycetes
Definition
intracelluar parasites
Term
Chlamydia trachomatis
Definition
STD---->1 in 25 infected,

causes urethritis (NGU),

DNA damage & reduced sperm count in males,

accidental self-inoculation:trachoma,

-transmission to newborn:major cause of preventable blindness in children
Term
Parachlamydia pneumoniae
Definition
-common respriatory pathogen,

10% of pneumonia cases,
5% of bronchitis & sinusitis,

suspected trigger of inflamation in arteries:
-atherosclerotic plaque, coronary heart disease, stroke, pre-eclampsia(high b.p during pregnancy)
Term
The Spirochetes: Treponema pallidum
Definition
STD-->syphilis,

mother--->fetus during pregnancy: congenital syphilis.

Treatment only in initial stage:

Primary:
chancres(sores) on genital in 3 wk

Secondary:
4-12 wks after primary infec.
rash on skin, mucus membranes, fever, malaise, hair loss,

Tertiary:
3+ yrs after initial infection,
autoimmune response(body attacks own tissue), damage to internal organs, gummas(tumor), neural or heart damage, nodules on skin, bone damage, dementia
Term
Borrelia burgdoferi
Definition
(Lyme Disease),

tick-borne infection in wildlife,

-humans are accidental hosts,

-"bullseye rash" at bite site

-multiples in bloodstream--->swollen lyph nodes, infects nervous system,

-survives by dampening immune response,
-treatment(antibiotics) within 72 hrs of infection

-untreated cases--->autoimmune arthritis, facial palsy
Term
Bacteroides Group
Definition
anerobic short rods
Term
Bacteroides(thetaiotamicron)
Definition
establishes during weaning(get from mother)
-largest component of intestinal microbiota in humans,

-required for normal gut deveolpment,
-produces enzymes that digest plant polysaccharides

-inversly correlated w/ obesity,

-oppurtunistic pathogen:
-secondary infections, necrosis, peritoneal abscesses
Term
Fusobacterium Group
Definition
anerobic long rods
Term
Fusobacterium (nucleatum)
Definition
upper respiratory tract, gingival sulcus,

-periodontal disease, dental abscesses, ulcerative colitis, skin ulcers,

-abscesses associated w/ pre-term labor,

-pre prevalance in colorectal tumors
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