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  Section: General Biotechnology / Microbial Biotechnology
 
 
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Single Cell Protein (SCP) and Mycoprotein

 
     
 

Genetic Improvements in Microbial Cells

At present, production of SCP by mass culture of microorganisms is in its infancy. It needs much boost to solve the problem of starvation in the coming decades. One of the ways to enhance productivity and quality of SCP product is the genetic improvement of microorganisms. At Sosa Texcoco, Mexico, researches are in progress on production of genetically engineered cells, which can grow in alkaline environment even upto pH 8.0-10.0 and under the artificial conditions as well. Ciferri (1981) developed mutants of S. platensis, which had about 40 times more longer pools of certain amino acids than found in wild alga.

 

Moreover, transfer and expression of beneficial genes in the microorganisms have opened a new era for the production of algal proteins and other compounds to be used in food and feed. Rochaix and Van Dillerviger (1982) have successfully introduced genes of S. cerevisiae into Chlamydomonas reinhardii cells and got expression of fungal genes in algal cell.
 

Content

Advantages of producing microbial protein

Microorganisms use as single cell protein (SCP)

Substrates used for the production of SCP

Nutritional values of SCP

Genetic improvements of microbial cells

Production of algal biomass

 

Factors affecting bio­mass production

 

Harvesting the algal biomass

 

Spirulina as SCP, cultivation and uses

Production of bacterial and actinomycetous biomass

 

Method of production

 

Factors affecting biomass production

 

Product recovery

Production of yeast biomass

 

Factors affecting growth of yeast

 

Recovery of yeast biomass

Production of fungal biomass (Other than Mushrooms)

 

Growth conditions

 

Organic wastes as substrates

 

Traditional fungal foods

 

 

Shoyu

 

 

Miso

 

 

Sake

 

 

Tempeh  

Mushroom culture

 

Historical background

 

Present status of mushroom culture in India

 

Nutritional values

 

Cultivation methods

 

 

Obtaining pure culture 

 

 

Preparation of spawns

 

 

Formulation and preparation of composts

 

 

Spawning, spawn running and cropping

 

Control of pathogens and pests

 

Cultivation of paddy straw mushroom

 

Cultivation of white button mushroom

 

Cultivation of Dhingri (Pleurotus sajor-caju)

 

Recipes of mushroom

 
     
 
 
     



     
 
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