{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Endospores - temperatures long periods of drying and other...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Endospores.  Bacteria of the genera  Bacillus  and  Clostridium  are able to form highly resistant  internal structures called  endospores , or simply  spores.  Spores are formed during the normal life  cycle when the environment becomes too harsh (Figure  1  ).  Figure 1 The process of spore formation as it occurs in species of Bacillus and Clostridium. One vegetative (multiplying) cell produces one spore. Spores are able to withstand extremely high 
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: temperatures, long periods of drying, and other harsh environments. When conditions are favorable, the spore germinates and releases a new vegetative cell, which multiplies and reforms the colony. Sporeformers include the agents of anthrax, tetanus, botulism, and gas gangrene. Spores contain dipicolinic acid and calcium ions, both of which contribute to their resistance....
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online