GROWTH COLONY CHARACTERISTICS

small, large, medium, pinpoint, pin head

SIZE of BACTERIA (5)

Staphylococcus aureus

pinhead appearance

streptococcus pyogenes

pinpoint

smooth, filamentous, rezoid, rough, irregular

FORM AND MARGIN

Bacillus anthracis

Medusa Head Colonies; lion face

Proteus spp (mirabilis and vulgaris)

Swarming of colonies and hazy blanket

Diphtheroids

Dry/ Rough appearance

Yeast

creamy white; feet or pedicles

Actinomyces israelli

molar tooth colonies

Pseudomonas aeruginosa

Serrated

Bacillus Anthracis

String of Pearls appearance (isolated in BAP w/ penicillin)

Choral hydrate, alcohol, trimethoprim lactate

• THE THREE INHIBITORS OF SWARMING OF PROTEUS

elevations

determined by tilting the culture plate and looking at the side of the colony

elevations

raised, convex, flat, umbilicate , umbonate, raised

transparent, translucent and opaque

three types of density/optical properties

opaque

staphylococcus spp (aureus, epidermis saprophyticus)

translucent

streptococcus agalactiae

transparent

streptococcus pyogenes and pneumoniae

nocardia spp

CONSISTENTLY: brittle, crumbly

staphylococcus

creamy

neisseria spp and klebsiella pneumoniae

sticky

diphtheroids

dry and waxy

string test

use test to know if a bacteria is capsulated or not

DNA

for vibrio spp string test indicates

white, gray, yellow/ buff

color of colonies

pseudomonas aeruginosa

blue (pyocyanin) and green (pyoverdin)

Serratia Marcescens

pink or red color of pigment

kluyvera

blue color of pigments

chromobacterium violenceum

violet pigment

provotella melaninogenica

brown and black

pseudomonas aeruginosa

grapefruit

alcaligenes faecalis

apple fruit

Staphylococcus aureus

oldsock/ sweaty feet

chlorine/ammonia

stenotrophomonas maltophilia

proteus spp

burnt powder

haemophilus influenzae

mousy barn

clostridium difficle

horse barn

nocardia asteroides

freshly plowed field