Rubella, a disease with terrible consequences for unborn children, has finally been eliminated from the Americas, a scientific panel set up by global health authorities announced Wednesday. Read More
Streak plate of Proteus vulgaris. The plate was incubated at 37 degree C for 48 hrs then held at room temperature for 1 week. Swarming, white growth with finger like projections at the outer edges, around the circular solated colonies, circular white/beige opaque colonies, was not seen until ... Read More
Image of a Puff ball taken at Hoh Rainforest on the Olympic Peninsula in Western Washington, largest Temperate Rain forest in the United States. The large white ball is the fruiting body which contains the spores. Read More
Agar contaminant seen on TSA after 1 month at refrigerated temperatures. Colony was yellow, mucoid, partially circular with concentric circular raised rings with an orangish center. Read More
This episode: Hoopoes inoculate their eggs with protective bacteria!
(6.5 MB, 7 minutes)
An unknown fungal contaminant growing on Eosin Methylene Blue (EMB) plate. The fungal colony shows a number of interesting features where it takes up or interacts with they dyes in the medium. Some of the colonies illustrate interesting inhibitory effects on adjacent colonies or appear the inf... Read More
the carbohydrate esculin
-Group D Streptococcus sp. will convert esculin into 6,7-dihydroxy-coumarin which reacts with the iron salts to form a black precipitate.
--Non Group D Streptococcus sp. do not produce the black color.
(A) Enteroco... Read More