General Description of Bacillus Species

Author: Alonzo Bell

Date Published: 09/08/2023

General Description of Bacillus Species

Bacillus is a rod shaped bacteria which is classified as gram positive bacteria. Bacillus has a thick wall and outer membrane of peptidoglycan, which allows the microbes to adapt to harsh and not ideal climates. They are very persistent in the environment and can withstand adverse climates, chemicals, and even UV light. This type of bacteria is a spore forming chemoheterotroph which utilizes organic sources and carbon and chemical energy as a food source to produce water and carbon dioxide. 

The spores allows these microbes to survive on very minimal and limited resources to prolong its life cycle. Bacillus undergoes aerobic respiration, which simply means that it uses oxygen present in order to metabolize and break down large molecules and derive energy from them.  


Bacillus is often used on metal contaminated waters, because it can create dense microbial networks known as microbial biofilms. They are very effective in doing so, because they can bind to metals such as nickel, copper, mercury, chromium, cadmium and more. Their microbial activity can be proliferated by aeration or the presence of excess oxygen.  


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