Archive | Metabolism

Allosteric Enzymes: Properties and Mechanism | Microbiology

In this article we will discuss about the properties and mechanisms of action of allosteric enzymes. Properties of Allosteric Enzymes: Allosteric or Regulatory enzymes have multiple subunits (Quaternary Structure) and multiple active sites. Allosteric enzymes have active and inactive shapes differing in 3D structure. Allosteric enzymes often have multiple inhibitor or activator binding sites involved in switching between active and [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Microbial Metabolism|Comments Off on Allosteric Enzymes: Properties and Mechanism | Microbiology
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Production of Amino Acids | Microbiology

Some amino acids have been produced in Japan by bacterial fermentation since 1950. Their biosynthesis is now possible by genetically manipulating and physiologically altering the microorganism. Corynebacterium glutamicum and Brevibacterium flavum are involved in the synthesis of L-lysine and L-threonine from a common intermediate, aspartic acid. The regulatory mutants of bacteria produce lysine in sufficient amount. Such bacteria eliminate the [...]

By |2016-11-28T11:04:31+00:00November 28, 2016|Amino Acids|Comments Off on Production of Amino Acids | Microbiology
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Biosynthesis of Various Amino Acids | Microbiology

In this article we will discuss about the biosynthesis of various amino acids:- 1. Glutamic Acid Family 2. Aspartic Acid Family 3. α-Alanine, Serine, Glycine and Cysteine 4. Valine and leucine 5. Aromatic Amino Acids: Tyrosine, Phenylalanine, Tryptophan 6. Histidine. 1. Glutamic Acid Family: Glutamic acid is the main pathway for assimilation of ammonia by reductive amination of α-keto glutaric [...]

By |2016-08-31T15:42:00+00:00August 31, 2016|Amino Acids|Comments Off on Biosynthesis of Various Amino Acids | Microbiology
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