Categorising Bacteria

Microbiologists use some features to differentiate various types of bacteria from each other. Some of these categorising factors are [30]  

Thermophile the bacteria that show activity at tenperatures above 40°C 

Strict or obligate anaerobes, which will not function in the presence of oxygen 

Aerobes which require oxygen in their metabolism 

Facultative anaerobes which can function in either the absence or presence of 

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This chapter will deal with MIC, its definition and importance, and how historically both our understanding of and research methods for the study of MIC have evolved. We will then have a look at the parameters that can be used for categorising bacteria, and also the steps involved in biofilm formation. After discussing the ways by which biofilms can both accelerate and decelerate corrosion, we will look at three examples of bacteria that are involved in corrosion, the well-known SRB (sulphate-reducing bacteria), the rather shy , infamous IRB (iron-reducing bacteria) and almost unknown magnetic bacteria. 

Table 4.1 Categorising bacteria in accordance with the energy and carbon sources and electrochemical reactants...

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