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Click here to see a larger image (JPEG) of this microbe. Kingdom: Eubacterium Scientific Name: Bacillus thuringeinsis Image Courtesy of: Pankratz, Stu Image Width: 4 microns Image Technology: TEM |
This bacterium is used as a pesticide to kill insects. This is a cross section of several spores of the bacterium, Bacillus thuringeinsis. The round structures are spores, which are surrounded by cell wall of the bacterium. The angular dark object at the lower right corner is the B.t. toxin (short for Bacillus thuringeinsis toxin). This crystal toxin is poisonous to many different insects that eat them, including moths and flies and mosquitos.