factor affecting bacterial growth and nutrition.
some factor affect the growth and nutrition of bacteria they are following
1. TEMPERATURE -
Bacteria requires a certain temperature for it,s growth called optimum temperature .Bacteria which attacks human body live based at temperature that is for most pathogenic bacteria .The optimum temperature is 37 degree c most bacteria are killed at 56C degree in 30 minutes .Bacteria have a minimum optimum and maximum temperature for growth and can be divide into three groups based on their optimum growth temperature .
A.minimum
B.maximum
C.Optimum
1. Minimum growth temperature-
The lowest temperature at which organisms growth is the minimum growth temperature.
2. Maximum growth temperature-
The highest temperature at which growth is maximum growth temperature .
3. Optimum growth temperature-
The temperature at which rapid rate of multiplication occurs .
Classification of bacteria according to growth temperature
1. Psychrophiles
Psychro - cold
Philes - loving
Psycrophiles are cold loving bacteria their optimum growth temperature range is - 20 ℃ to 10 ℃ . they are uselly found cold place .
Example - Novalis ,
methanogenium , oscillatoria .
2. Mesophiles
Meso - medium temprature
Philes - loving
Mesophiles are bacteria growth temperature 20 ℃ to 45 ℃ ,most bacteria are mesophiles like comma .
Example - streptococcus , coli.
3. Psychrotrops
Cold tollrens bateria
Have optimum and maximum growth tempreture above 15 ℃ to 20 ℃ .
Example - they bacteria mostly found food material ( fungi , baccillus , streptococcus ).
4. Thermophiles
Thermo - heat
Philes - loving
Thermophiles are heat loving bacteria . thermo word derived from Greek word " thermolita " meaning heat and philia meaning love . head loving microorganisms mostly growth in 45 ℃ to 80 ℃ temperature .
Example - thermos , geogemma .
5. Hyperthermophiles
They bacteria are heat loving bacteria they are mostly found in hot places. There optimum temperature range is 80 ℃ to above 100 ℃ . they are first time discovered in ( 1965 ).
Example - methanococcus , sulfolovus.
2 NUTRITION -
Bacteria obtained their nutrition from organic and inorganic materials from growth multiplication most bacteria of medically is available as source of food every organism must find in its environment all of the substance required for energy generation and cellular biosynthesis the chemical and elements of this environment they are utilize for bacterial growth some measure elements of bacteria growth.
3 MOISTER
Moisture like all living things bacteria are sensitive to their environment water is necessary for the growth of bacteria because they can not absorbed food material without water they cannot survive in the absence of water.
4. BLOOD AND BODY FLUID
Bacteria enter into the human blood through the any injury of the body respiration food materials and mixed in blood streams so nutrition such as vitamin. Protein. Iron. fatty acids. fat. Potassium. Magnesium. Sulphur are present in the blood bacteria are take the energy through the blood because nutrition is present in blood they are provide energy of bacterial growth bacteria fastly grow in human blood and cause disease in human body.
Due to any injury
↓
Bacteria enter into the human blood stream
↓
Measure elements of nutrition are present in blood
↓
Bacterial growth
↓
Cause disease.
5. LIGHT
A bacteria usually grow in darkness.
6. OSMOSIS
Osmosis it the diffusion of water across a membrane from a area of water higher concentration to lower water concentration ,this process help the bacteria growth
7. PH -most of the pathogenic bacteria grow best in a neutral (ph. 7.2 to 7.6) medium
some factor affect the growth and nutrition of bacteria they are following
- TEMPERATURE
- NUTRITION
- MOISTER
- BLOOD AND BODY FLUID
- LIGHT
- OSMOSIS
- PH
1. TEMPERATURE -
Bacteria requires a certain temperature for it,s growth called optimum temperature .Bacteria which attacks human body live based at temperature that is for most pathogenic bacteria .The optimum temperature is 37 degree c most bacteria are killed at 56C degree in 30 minutes .Bacteria have a minimum optimum and maximum temperature for growth and can be divide into three groups based on their optimum growth temperature .
A.minimum
B.maximum
C.Optimum
1. Minimum growth temperature-
The lowest temperature at which organisms growth is the minimum growth temperature.
2. Maximum growth temperature-
The highest temperature at which growth is maximum growth temperature .
3. Optimum growth temperature-
The temperature at which rapid rate of multiplication occurs .
Classification of bacteria according to growth temperature
1. Psychrophiles
Psychro - cold
Philes - loving
Psycrophiles are cold loving bacteria their optimum growth temperature range is - 20 ℃ to 10 ℃ . they are uselly found cold place .
Example - Novalis ,
methanogenium , oscillatoria .
2. Mesophiles
Meso - medium temprature
Philes - loving
Mesophiles are bacteria growth temperature 20 ℃ to 45 ℃ ,most bacteria are mesophiles like comma .
Example - streptococcus , coli.
3. Psychrotrops
Cold tollrens bateria
Have optimum and maximum growth tempreture above 15 ℃ to 20 ℃ .
Example - they bacteria mostly found food material ( fungi , baccillus , streptococcus ).
4. Thermophiles
Thermo - heat
Philes - loving
Thermophiles are heat loving bacteria . thermo word derived from Greek word " thermolita " meaning heat and philia meaning love . head loving microorganisms mostly growth in 45 ℃ to 80 ℃ temperature .
Example - thermos , geogemma .
5. Hyperthermophiles
They bacteria are heat loving bacteria they are mostly found in hot places. There optimum temperature range is 80 ℃ to above 100 ℃ . they are first time discovered in ( 1965 ).
Example - methanococcus , sulfolovus.
2 NUTRITION -
Bacteria obtained their nutrition from organic and inorganic materials from growth multiplication most bacteria of medically is available as source of food every organism must find in its environment all of the substance required for energy generation and cellular biosynthesis the chemical and elements of this environment they are utilize for bacterial growth some measure elements of bacteria growth.
3 MOISTER
Moisture like all living things bacteria are sensitive to their environment water is necessary for the growth of bacteria because they can not absorbed food material without water they cannot survive in the absence of water.
4. BLOOD AND BODY FLUID
Bacteria enter into the human blood through the any injury of the body respiration food materials and mixed in blood streams so nutrition such as vitamin. Protein. Iron. fatty acids. fat. Potassium. Magnesium. Sulphur are present in the blood bacteria are take the energy through the blood because nutrition is present in blood they are provide energy of bacterial growth bacteria fastly grow in human blood and cause disease in human body.
Due to any injury
↓
Bacteria enter into the human blood stream
↓
Measure elements of nutrition are present in blood
↓
Bacterial growth
↓
Cause disease.
5. LIGHT
A bacteria usually grow in darkness.
6. OSMOSIS
Osmosis it the diffusion of water across a membrane from a area of water higher concentration to lower water concentration ,this process help the bacteria growth
7. PH -most of the pathogenic bacteria grow best in a neutral (ph. 7.2 to 7.6) medium
- neutrophiles - grow best at ph range 5 to 8
- acidophiles - grow best At ph below 5.5
- alkaphiles - grow best at ph above 8.5
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ReplyDeleteWhat can you say about probiotics? are they so useful as everybody says?
ReplyDeleteProbiotics is good for health.
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