Endospores are highly resistant, dormant structures formed by certain bacteria to survive extreme conditions. They can withstand heat, radiation, desiccation, and chemical damage.
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Endospores are primarily produced by Gram-positive bacteria such as Bacillus and Clostridium species.
The formation of endospores involves a complex process called sporulation which occurs when environmental conditions become unfavorable.
Endospores can remain viable for long periods, even thousands of years, in a state of dormancy.
Staining techniques like the Schaeffer-Fulton method are used to visualize endospores under a microscope.
Endospore-forming bacteria can cause serious diseases such as tetanus, botulism, and anthrax.
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Related terms
Sporulation: The process by which a bacterial cell produces an endospore.
Germination: The process through which an endospore returns to its vegetative state.