Comprehensive—Organisms Flashcards
Abiotrophia requirements
pyridoxal (vitamin B6)
Abiotrophia rxns
SBA ng
Saur satellite +
E/P/L =/+/+
BE/salt =/=
no valid method for susceptibility testing (5)
Abiotrophia
Aerococcus
Micrococcus luteus
P. fluorescens
S. saprophyticus
“nutritionally variant strep”
Abiotrophia
A. baumannii disease
nosocomial
immunocompromised hospitalized pts
after natural disasters
A. baumannii morph
Gamma
smooth
gray
wet
A. baumannii rxns
MAC oxidizer
oxidase =
OF G/L/M +/+/+
motility =
nitrate =
ALO =/=/=
A. baumannii SP
MDR
A. baumannii nicknames
great impersonator
GN MRSA
Iraqibacter
A. israelii GS
GPR
filamentous
branching
A. israelii rxns
catalase =
Aerococcus Gs
GPCCL/tetrads
Aerococcus morph
Alpha
gray
Aerococcus rxns
catalse =/wk+
BE/salt V/+
Aerococcus SP
susceptible to penicillin and vancomycin
no valid method for susceptibility testing
A. hydrophila sites
water
marine animals
leeches
A. hydrophila morph
Beta
medium
smooth
gray
A. hydrophila rxns
oxidase +
glucose ferm +
indole +
Dnase +
gelatinase +
A. actinomycetemcomitans morph
star shape after 5-6 days
A. aphrophilus diseases
endocarditis
head/neck infections
those with oral piercings
A. aphrophilus morph
faint yellow
round
smooth
grade school paste odor
A. aphrophilus requirement
5-10% CO2
factor X on initial isolation
A. aphrophilus rxns
SBA growth
Quad: X+ V+ XV+ HBA=
A. haemolyticum rxns
catalase =
EPL =/=/=
motility =
B. anthracis diseases
cutaneous anthrax (eschar)
pulmonary anthrax ☠️
intestinal anthrax (rare)
B. anthracis morph
Gamma (diff. from Bacillus spp.)
white, ground glass
medusa
tenacious
B. anthracis rxns
catalase =
motility =
PEA ng
B. cereus disease
food poisoning
eye infection due to trauma
burn wounds
B. cereus morph
Beta
large
green, blue
feathered edges
B. cereus rxns
catalase +
motility +
cat scratch fever
Bartonella henselae
B. pertussis agars
Bordet-Gengou agar
Reagan-Lowe agar
Borrelia stain
Giemsa stain
Brucella diseases
undulant fever
systemic disease
Brucella rxns
catalse +
oxidase +
urease +
B. cepacia morph
yellow
dirt odor
B. cepacia rxns
MAC oxidizer
BC agar +
motility +
lysine +
B. cepacia SP
SXT drug of choice
B. mallei disease
glanders
B. mallei rxns
oxidase +
motility =
B. pseudomallei disease
melioidosis
B. pseudomallei morph
cream/tan
wrinkled
B. pseudomallei rxns
MAC oxidizer
OF GLM +/+/+
Vietnamese time bomb
B. pseudomallei
C. jejuni source
poultry
other farm animals
pre-Guillain Barre
C. jejuni
C. jejuni morph
wet; flat; tan/pink;
irregular
follow streak line
(campy bap)
C. jejuni requirements
5% O2
10% CO2
42°
C. jejuni rxns
catalase +
oxidase +
sodium hippurate +
urease =
C. canimorsus GS
GNR
fusiform; toothpick
C. canimorsus morph
yellow, tan, pink
moist
fingerlike projections
gliding motility
C. canimorsus
C. hominis GS
GVR
teardrop; dumbbell;
lollipop
picket fence
C. violaceum morph
black/purple
ammonium cyanide odor
C. freundii rxns
LF
VP =
PAD =
H2S +
Lysine =
ONPG +
C. koseri rxns
LLF
VP =
PAD =
H2S =
Motility +
Citrate +
Indole +
diphtheroid GS
GPR
club-shape
V/L formation
palisades
C. diphtheriae morph
Beta +/=
ppt/small
gray/white
C. diphtheria rxns
Cysteine-tellurite agar: black with brown halo (tellurite reductase)
catalase +
motility =
C. jeikium rxns
catalase +
glucose ferm +
motility =
urease =
Cjei + Cure SP
MDR
susceptible to vancomycin
C. urealyticum rxns
catalase +
glucose ferm =
motility =
urease +
C. sakazakii rxns
LF
VP =
PAD =
H2S =
Motility =
Citrate +
Indole =
E. corrodens morph
small, gray
lemon yellow
pits agar in CO2
bleach odor
E. meningosepitca morph
yellow
E. meningoseptica rxns
oxidase +
indole +
motility =
ALO =/=/=
E. meningoseptica SP
sensitive to GP antibiotics (vanc, SXT, BLs, etc)
E. aerogenes rxns
LF
VP +
Motility +
ALO =/+/+
DNase =
E. cloacae rxns
LF
VP +
Motility +
ALO +/=/+
E. faecalis SP
make up 10% VRE (vanB)
screen for HLAR
screen for B-lactamase
E. faecium SP
make up 90% VRE (vanA, vanB)
screen for HLAR
screen for B-lactamase
E. rhusiopathiae morph
Alpha weak
small
gray
E. rhusiopathiae rxns
catalase =
H2S + thin line (diff. from Saga)
E. rhusiopathiae SP
intrinsically resistant to vancomycin
E. coli morph
Beta
large
gray
wet
musty odor
E. coli rxns
dark dry LF
VP =
PAD =
H2S =
Motility +
Citrate =
SMAC nsf (O157:H7)
F. tularensis requirements
cysteine
H. ducreyi requirements
5-7% CO2
up to 10 days
factor X