Classification of environmental biotechnology-what is cultured environment

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Currently, with advanced technology for microbiological analysis become simpler than ever with: Micro-phase environments available Compact Dry and 3 m Petrifilm

Classification of environmental biotechnology-what is cultured environment

The kind of popular environment for microorganisms is usually soup thang (liquid form) or the environment LB (Lysogen soup). Liquid environment is often mixed with agar after sterilization process will pouring out the Petri to condensed. This master's plates create a solid environment to implant microorganisms on it. The disc maintain solid form, because there are very few microorganisms that can destroy the structure of the Agar except one because the strains such as Cytophaga, Pseudomonas, Bacillus ...). The bacterial growth in liquid environments usually create a colloid suspension.

The cells cannot grow in môi trường nuôi cấy vi sinh artificial if not adding the thyroid hormone-or partners get growth like in the body. This is the basic difference between the medium environment and bacteria culturing cells. In the case of animal cells, problems are often overcome by adding synthetic serum or serum substitute for fossil environmental. One difference is that animal cells are typically cultured in the environment, also microorganisms are cultured on the surface.

The type of key biotechnology environment:

• Cultures,,vi,Chemicals microbiological culture media,,vi
• Minimalist environment
• Select environment
• Environment directive differences
• Transfer transplant environment
• Environment directive

Cultures,,vi,Chemicals microbiological culture media,,vi

The composition of this type often contains the elements that most bacteria are needed for the development and do not need to select this type therefore filtering normally used to implant and maintain in-room bacteria cthis selected test.

Unknown environment: (because the amino-acid sources include different compounds do not clearly define)

• A carbon source such as glucose
• Water
• A few types of salt
• Source aminoaxit (beef extracts of yeast or higher)

Micro environment defined: (the specific chemical ingredients or synthetic environment):

• All of these chemicals are known to
• No yeast, animal or plant tissue
• A few examples of: Plate count agar, Trypton agar ...

Environmental biotechnology the minimalist

• Is the type of environment that contains the minimal nutrition to the bacteria may grow. almost no amino acids and are often used by micro-organisms and genetics.
• Minimalist environment often contains
• A carbon source such as glucose or succinate
• A few types of Magnesium salts, nitrogen, Phosphor and sulfur is the raw material for bacterial protein synthesis and nucleic acid
• Water

Selective cultivation environment

Is the type of environment to use for 1 certain microorganisms

For example:

• Eosin Methylene Blue environmental to Gram-positive bacteria such as the detection of Coliform
• Environment of YM (Yeast extract, malt extract agar) have low pH
• MacConkey agar to detect environmental gram-negative bacteria
• Environment Sabouraud's agar pH low and high Glucose concentration

Environment directive, distinguish

Is the type of environment biotechnology used to distinguish 2 or more of the same bacteria growth on the 1 environment based on biochemical characteristics of the organism when developing color or evidence characterized.

For example:

• Blood agar agar contains the blood of beef heart will throughout if the presence of Streptococcus.
• Master of Eosin methylene blue is used for distinguishing the fermentation of lactose intolerance
• Mannitol agar used to distinguish mannitol fermentation
• X-gal detects sudden know lac operon

Environmental Microbiology dental implants move

• Is the type of environment that meets the following criteria:
• Temporary storage of templates to bring to lab
• Maintain the viability of the model and do not alter the sample concentration
• Contain only buffers and salt
• Does not contain carbon, gas nitrocarburizing of organic agents and avoid the duplication of templates
• Used in the anaerobic environment

For example:

Thioglycolate environment

Stuart environment

Râmkrishna Venkataraman