Please type your answer WHICH COVERS BOTH PARTS Colony characteristics Size • Sh
ID: 270964 • Letter: P
Question
Please type your answer WHICH COVERS BOTH PARTS
Colony characteristics Size • Shape • Color (also known as pigmentation) • Texture• Height (a.k.a. elevation) • Edge (a.k.a. margin) of Staphylococcus consisting of clustered cocci.
The microbe is originally isolated from skin infections among pigs and was formerly called Microccus hyieus
B) •BASED ON THESE TESTS AND RESULTS:
EMB TEST
ACID & FERMENTATION WEAK
PEA
G+/ STAPHYLOCOCCUS
CATALASE
( +) HAVING CATALYST ENZYME
OXIDASE
(-)NO HAVING CYTOCHROME C OXIDASE
PHENOL RED
ACIDIC/ NO GAS PRODUCED
BREWER JAR
AEROBIC
MR/VP TEST
(-)(-) NO FERMENTATION /YELLOW COLLOR
NITRATE TEST
PARTIAL RED (+)
M.I.O
YELLOW - MOTILITY& ORNIHITIN ARE (-)
PEPTON IRON AGAR
(+) H2S PRODUCED
PHENYLALANINE TEST
YELLO COLOR(-)
STARCH
(-) NO PRODUCE AMYLASE ENZYME
SIMMONS CITARATE AGAR
(-) GREEN COLOR
UREASE TEST
YELLOW/ DON'T PRODUCE UREASE ENZYME
GELATINE TEST
LIQUID (+)
MANNITOL SALT AGAR
(+)/ SALT TOLERANT & A LITTLE FERMENTATION
MACcONKEY AGAR
G+/ NO GROWTH
BLOOD AGAR
BETA
KIRBY BAUER
SENSITIVE TO PENICILLIN (P10)
EMB TEST
ACID & FERMENTATION WEAK
PEA
G+/ STAPHYLOCOCCUS
CATALASE
( +) HAVING CATALYST ENZYME
OXIDASE
(-)NO HAVING CYTOCHROME C OXIDASE
PHENOL RED
ACIDIC/ NO GAS PRODUCED
BREWER JAR
AEROBIC
MR/VP TEST
(-)(-) NO FERMENTATION /YELLOW COLLOR
NITRATE TEST
PARTIAL RED (+)
M.I.O
YELLOW - MOTILITY& ORNIHITIN ARE (-)
PEPTON IRON AGAR
(+) H2S PRODUCED
Explanation / Answer
The above mentioned characterstics are of gram positive Staphylococcus hyicus. They are medium sized (0.6- 2 micrometers), white and opaque colonies, cocci shaped. The white and glistening colonies are 1-7 mm in diameter that grows at an optimum temperature of 30-35 C.
They have catalase enzyme, have enzymes for nitrate reduction (nitrate test), acid producing, can grow in Blood agar and mannitol salt agar as these provide nutrients for the culture to grow.