What is DCA agar used for?
DCA agar (deoxycholate citrate agar) is a solid bacteriological growth medium used for isolation of enteric pathogens.
Is DCA agar selective or differential?
Deoxycholate citrate agar (DCA) is a selective and differential medium, recommended for the isolation of enteric pathogens particularly Salmonella and Shigella species.
Which of the following are used in DCA?
Composition of Deoxycholate Citrate Agar (DCA)
| Ingredients | Gms/liter |
|---|---|
| Neutral red | 0.020 |
| Sodium citrate | 20.00 |
| Ferric ammonium citrate | 2.000 |
| Agar | 13.50 |
What is brilliant green agar?
BD Brilliant Green Agar is a highly selective medium used for the isolation of salmonellae other than S. Typhi from feces and other clinical specimens. PRINCIPLES AND EXPLANATION OF THE PROCEDURE. Microbiological method.
What is Salmonella Shigella Agar used for?
SS Agar (Salmonella Shigella Agar) is a differential selective media used for the isolation of Salmonella and some Shigella species from pathological specimens, and suspected foods. The peptic digest of animal tissue and beef extract provide essential growth nutrients. Lactose is the fermentable carbohydrate.
What DCA stands for?
Dollar-cost averaging (DCA) is the automatic investment of a set monetary amount on a periodic basis.
What does XLD agar stand for?
Xylose Lysine Deoxycholate agar
Xylose Lysine Deoxycholate agar (XLD agar) is a selective growth medium used in the isolation of Salmonella and Shigella species from clinical samples and from food.
Is Brilliant green agar selective or differential?
Our Brilliant Green Agar is a selective and differential medium for the isolation of Salmonella species other than S. typhi and S. paratyphi from clinical specimens. Brilliant Green Agar was initially developed in 1925 by Kristensen and later modified by Kauffmann in 1935.
What bacteria can grow on brilliant green agar?
Result Interpretation on Brilliant Green Agar
| Organisms | Growth |
|---|---|
| Salmonella Enteritidis | Good growth; pinkish white |
| Salmonella Typhi | Poor-good; reddish pink |
| Staphylococcus aureus | Inhibited |
| Escherichia coli | Inhibited or no growth; yellowish-green |
What is the difference between Salmonella and Shigella?
Salmonella will not ferment lactose, but produce hydrogen sulfide (H2S) gas. The resulting bacterial colonies will appear colorless with black centers. Shigella do not ferment lactose or produce hydrogen sulfide gas, so the resulting colonies will be colorless.
What is Wilson Blair agar?
Wilson and Blair Agar was formulated by Wilson and Blair (1) for isolating Salmonella species especially Salmonella. serotype Typhi from clinical specimens. Peptone and HM peptone B provide nitrogenous, carbonaceous compounds and other growth nutrients. Brilliant green dye. inhibits all gram-positive bacteria.
What does DCS stand for?
Distributed Control System
Distributed Control System (DCS)