Biochemical Action of Bacteria
OBJECTIVE: 1. To distinguish the bacteria abilities to metabolize various substrates and end products formed. 2. To observe the growth of different bacteria species in term of structures and its morphology based on different chemical substance applied. 3. To observe physiological and immunological properties utilized by different species of bacteria.
INTRODUCTION:
Bacteria biochemical testing can determine the types and numbers in terms of colony forming units of bacteria present in a sample of different chemical. The testing could be focused on a specific type of bacteria, medical bacteria or a broad range of environmental bacteria. Since bacteria are present in virtually any environment, it’s important to be clear why the testing is being performed. The more specific the testing is the better and the easier it is to interpret the results. Numbers and types of bacteria that should be a cause for concern depends upon several factors, including the type of bacteria present and the type of samples. Escherichia coli are one of the main species of bacteria living in the lower intestines of mammals. E.coli can be found in the intestinal tract of warm-blooded animals. The presence of E.coli in foods is considered to be an indication of fecal contamination. Staphylococcus organisms are commonly found in the environment. Several species of Staphylococcus are found on the skin, intestines, nasal passages, etc. of warm-blooded animals. Some species of Staphylococcus, particularly Staphylococcus aureus can be pathogenic are capable of causing illness. Pseudomonas aeruginosa is widely distributed in soil, water and plants. It survives in hot tubs, whirlpools, contact lens solution, sinks and showers. It can cause a number of opportunistic infections including infections of the skin, external ear canal and of the eye. Nitrifying bacteria recycle organic nitrogenous materials from ammonium (the endpoint for the decomposition of proteins) to nitrates. Their presence
INTRODUCTION:
Bacteria biochemical testing can determine the types and numbers in terms of colony forming units of bacteria present in a sample of different chemical. The testing could be focused on a specific type of bacteria, medical bacteria or a broad range of environmental bacteria. Since bacteria are present in virtually any environment, it’s important to be clear why the testing is being performed. The more specific the testing is the better and the easier it is to interpret the results. Numbers and types of bacteria that should be a cause for concern depends upon several factors, including the type of bacteria present and the type of samples. Escherichia coli are one of the main species of bacteria living in the lower intestines of mammals. E.coli can be found in the intestinal tract of warm-blooded animals. The presence of E.coli in foods is considered to be an indication of fecal contamination. Staphylococcus organisms are commonly found in the environment. Several species of Staphylococcus are found on the skin, intestines, nasal passages, etc. of warm-blooded animals. Some species of Staphylococcus, particularly Staphylococcus aureus can be pathogenic are capable of causing illness. Pseudomonas aeruginosa is widely distributed in soil, water and plants. It survives in hot tubs, whirlpools, contact lens solution, sinks and showers. It can cause a number of opportunistic infections including infections of the skin, external ear canal and of the eye. Nitrifying bacteria recycle organic nitrogenous materials from ammonium (the endpoint for the decomposition of proteins) to nitrates. Their presence