Geobacillus stearothermophilus, SEM

Numéro d’image : 12299711
Geobacillus stearothermophilus, SEM
Coloured scanning electron micrograph (SEM) of Geobacillus stearothermophilus (formerly known as Bacillus stearothermophilus), Gram-positive, rod, spore-forming prokaryote. G. stearothermophilus is a thermophile and is widely distributed in soil, hot springs, ocean sediment, and is a cause of spoilage in food products. It is commonly used as a challenge organism for sterilization validation studies and periodic checks of sterilization cycles. First described in 1920 as Bacillus stearothermophilus, it was reclassified in 2001 and is now officially a member of the genus Geobacillus. Spores of bacteria allow the bacteria to survive harsh conditions until the time when the bacterium can grow and reproduce. Magnification: x1, 865 when shortest axis printed at 25 millimetres.
Licence : Droits gérés
Crédit: Science Photo Library / DENNIS KUNKEL MICROSCOPY
Taille de l’image : 2612 px × 3483 px
Model Release : Non requis
Property Release : Non requis
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