MicroA

Classification and Identification of Microorganisms

Tuesday, July 29, 2008

serology

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Serology What is serology? Serology is the scientific study of blood serum and immune responses. In practice, the term usually refer...
Sunday, July 27, 2008

Morphology on Slant Medium

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NYP Micro A * Even ( following the line of the original streak) * Irregular ( slight spreading from the original line) * Spreading (the or...

The 3 Domains

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continued from 5+1=6 Kingdoms... In the previous post, all prokaryotes are classified under Monera . However, it was found that prokaryotes...

The 5+1=6 Kingdoms

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In the beginning, all living thing were grouped into 2 kingdoms, mainly plants and animals. However, as time passed by, it became increasing...
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Morphology In/On Culture Medium

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When it comes to morphology in/on culture medium it gets a bit complicated. there is a difference between solid medium and liquid medium eg....

Morphology Under the Microscope

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to get a deeper understand morphology we would need to know, the arrangement of the bacteria, the picture above shows you the shapes but if ...

Methods of Classification and Identification of Microorganisms

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Vibrios- curve rods Below is spirilla -spiral/ helical shape Cocci- spherical shaped Rod shaped bacillus There are different methods of c...

3 Types of Staining

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There are 3 types of staining: 1) Simple Staining 2) Differential Staining 3) Special Staining We will go into more details with the next po...
Saturday, July 26, 2008

Simple Staining, Differential Staining and Special Staining

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Simple Staining 1) It is a solo stain. 2) Simple stainings are usually methylene blue, crystal violet or safranin. 3) Simple staining is ade...

Bacteria shapes

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There are 4 basic shapes that bacterial cells adopt. They can be either : 1)rod shaped 2)spirilla 3)vibrios 4)spherical Reference:This pic...

Atmospheric requirements of different bacteria

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http://www.bmb.leeds.ac.uk/mbiology/ug/ugteach/newdental/introduction/bacteria/bacteria_atmosphere.html -Test-tube (i) shows an obligate ana...
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Introduction

Microbiology A
There are different methods of classification and identification of microorganisms, Firstly microoganisms can be seperated and classified simply by its biochemical or physiological characteristics (the definition on its own) >PHENOTYPIC is when an organism's growth is influenced by its surrounding or enviroment. >GENOTYPIC is when an organism's growth is already in the gene code and it can only be slightly changed by the enviroment. Therefore in the context of identification, a phenotypic characteristics simply means charasteristics that can be seen/ revealed either with the microspope of the human eye. This would include morphology (structure) of the microorganism (as seen above). Its staining properties, atmospheric requirements, physiological properties (Biochemical and metabolic activities tests) and antigen-antibody reactions (Serology). In this website we will be touching on each of these topics in detail..
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