Amino acid metabolism - PowerPoint PPT Presentation


Amino Acids: Disposal of Nitrogen

Overview of nitrogen metabolism with a focus on the disposal of nitrogen through amino acid catabolism. It explains the process of removing the α-amino groups from amino acids, the synthesis of urea, and the conversion of carbon skeletons to energy-producing pathways.

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Significance of Amino Acids in Biological Pathways

Amino acids play a crucial role as precursors in various biological processes, serving as building blocks for small molecules like hormones, coenzymes, nucleotides, and more. Glycine, a key amino acid, serves as the major precursor for porphyrins, essential in heme proteins. Understanding the pathwa

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Comprehensive Overview of Protein Digestion in the Gastrointestinal Tract

Understanding the process of protein digestion is crucial for optimal nutrient absorption and overall health. In this lecture series by Professor Shraddha Singh, delve into the composition of proteins, the role of enzymes in protein digestion, sites of absorption, molecular basis of protein transpor

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Protein Digestion and Metabolism in Ruminants and Non-Ruminants

Digestion and metabolism of protein in both ruminants and non-ruminants involve enzymatic breakdown of proteins into polypeptides and amino acids in the stomach and intestines. Key enzymes such as pepsin, trypsin, and chymotrypsin play important roles in protein digestion. Gastric digestion in the s

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Industrial Production of Citric Acid: Fermentation Processes and Applications

Citric acid is industrially produced through microbial fermentation processes. It is widely used in various industries such as food, pharmaceuticals, and beverage production. Different methods like surface culture fermentation are employed for citric acid manufacture, with fungi like Aspergillus nig

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Amino Acid Catabolism: Pathways and Reactions

Amino acid catabolism involves removing amino groups via deamination, leading to urea synthesis and TCA cycle intermediates. The process includes transamination and oxidative deamination reactions, with specific aminotransferases catalyzing these reactions. Transamination is a key step in funneling

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Understanding Nitrogen Metabolism: Amino Acid Biosynthesis and Ammonia Incorporation

Nitrogen metabolism is crucial in the biosynthesis of amino acids such as glutamate and glutamine, incorporating ammonia for various physiological processes. Ammonia is efficiently transported and stored using compounds like alanine and glutamate, playing a key role in the urea cycle. Glutamate, a v

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Limit Test of Iron Based on Color Reaction with Thioglycollic Acid

The limit test for iron involves the reaction of iron in ammoniacal solution with citric acid and thioglycollic acid to form a reddish-purple color. By comparing the color produced with a standard solution, the presence of iron is determined. Citric acid prevents precipitation of iron, while thiogly

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Understanding the Urea Cycle in Biochemistry

Explore the intricate process of the urea cycle, its role in removing amino groups from amino acids, converting ammonia into urea in the liver, and managing hyperammonemia. Learn about transamination, oxidative deamination, and the importance of glutamine and alanine in ammonia transport. Discover t

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Understanding the Integration of Carbohydrate, Lipid, and Protein Metabolism

The integration of metabolism involving carbohydrates, lipids, and proteins can be divided into three stages: hydrolysis to simpler units, preparatory stage, and oxidative stage. In the hydrolysis stage, complex polysaccharides, lipids, and proteins are broken down to simpler forms. The preparatory

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Understanding Protein Digestion and Amino Acid Metabolism

The process of protein digestion involves proteolytic enzymes produced by the stomach, pancreas, and small intestine. Pepsinogen is activated to pepsin in the stomach, breaking down proteins into oligopeptides and amino acids. After absorption, amino acids are utilized for protein synthesis and as d

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Understanding Amino Acids: Qualitative Tests and Properties

Amino acids play a crucial role as building blocks of proteins and can be converted into specialized products. There are 20 common L-α-amino acids found in mammalian proteins, each with a unique structure and classification based on their side chain properties. Amino acids exhibit optical activity,

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Overview of Glycine Metabolism and Its Importance in the Body

Glycine, the simplest amino acid, plays a crucial role in various metabolic pathways in the body. It can be converted to important compounds like pyruvic acid, lactic acid, and creates the one-carbon pool. Glycine is essential for heme synthesis, glutathione formation, purine synthesis, and more. In

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Synthesis of Salicylic Acid: Theory, Derivatives, and Applications

Salicylic acid is synthesized from methyl salicylate through ester hydrolysis with aqueous alkali. It is a versatile compound used in organic synthesis, as a plant hormone, and derived from salicin metabolism. The derivatives of salicylic acid can minimize gastric disturbances and enhance therapeuti

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Understanding Inborn Errors of Metabolism and Metabolic Disorders

Inborn Errors of Metabolism (IEM) are genetic disorders that disrupt metabolic pathways, leading to substrate accumulation or product deficiency. These disorders can be classified based on toxic accumulation, protein metabolism, carbohydrate intolerance, lysosomal storage issues, energy production d

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Amino Acid Metabolism Pathways: Transamination, Deamination, and Clinical Significance of Transaminases

Amino acid metabolism involves pathways such as transamination, deamination, and the clinical significance of serum transaminases like ALT and AST. Transamination involves the transfer of amino groups, while deamination involves the removal of the amino group. Transaminases are important intracellul

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Decarboxylation Reaction and Biogenic Amines in Amino Acid Metabolism

Decarboxylation is a crucial reaction in amino acid metabolism where CO2 is removed to form biogenic amines, catalyzed by decarboxylase enzymes. Important biogenic amines include tyramine, tryptamine, and histamine, each impacting physiological functions like blood pressure regulation. Aromatic amin

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Amino Acid: Structure and Classification Overview

Amino acids are essential building blocks of proteins, with only 20 out of the 300 occurring in nature being used for protein synthesis. The structure of amino acids consists of four groups attached to a central carbon atom. At physiological pH, these groups can ionize, forming zwitterions. Amino ac

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Understanding Thyroid Hormones and Their Role in Metabolism

Thyroid hormones, including triiodothyronine (T3) and thyroxine (T4), are essential for regulating metabolism, growth, development, body temperature, and heart rate. They are tyrosine-based hormones produced by the thyroid gland, requiring iodine for synthesis. T3 affects various physiological proce

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Understanding Transamination and Deamination in Biochemistry

Transamination is a vital chemical reaction in biochemistry that transfers amino groups to ketoacids to form new amino acids, playing a crucial role in amino acid metabolism. Enzymes called transaminases facilitate this process, utilizing -ketoglutarate as a key amino group acceptor. The mechanism i

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Understanding the Structure and Role of Amino Acids in Proteins

Amino acids are building blocks of proteins, with distinct structures and properties. There are 20 common amino acids found in mammalian proteins, each with a carboxyl group, an amino group, and a unique side chain. The side chains determine the role of an amino acid in a protein, classified as nonp

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Decoding Oxidative Decarboxylation and Krebs Cycle in Energy Metabolism

Explore the intricate processes of oxidative decarboxylation and the Krebs Cycle, essential pathways in cellular energy metabolism. Learn about the conversion of pyruvate to acetyl-CoA, regulatory mechanisms, clinical implications, and more. Discover the fates of pyruvate, allosteric regulation, and

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Understanding Gene Mutations and Their Impact on DNA Sequences

Gene mutations are changes in the nucleotide sequence of DNA, leading to potential amino acid alterations in proteins. These mutations can occur due to replication errors or external factors like chemicals and radiation. Different types of mutations, such as base substitutions, transitions, transver

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Understanding Amino Acids: Structure, Properties, and Classification

Amino acids are essential building blocks of proteins with unique structures and properties. They contain both carboxyl and amino groups, playing vital roles in metabolism. This article covers their general structure, zwitterion form, isoelectric point, pK values, and classification based on body re

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Amino Acid Absorption Mechanisms in Small Intestine

Amino acid absorption in the small intestine is an active process requiring energy derived from ATP hydrolysis. It involves two main mechanisms: carrier proteins transport system and glutathione transport system. The carrier proteins transport system uses ATP energy for absorption, while glutathione

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Understanding Amino Acids: Structure, Classification, and Properties

Amino acids are crucial chemical units that form proteins and play essential roles in the body. They consist of a carboxyl group and an amino group, serving as building blocks and metabolic intermediates. This article covers the general structure, zwitterions, isoelectric point, pK values, and class

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Understanding Amino Acids, Peptides, and Proteins in Organic Chemistry

Amino acids, peptides, and proteins are essential components in biological processes. Proteins are polymers made up of amino acid units linked by peptide bonds, while peptides are important in various biological functions. The structure and classification of amino acids play a vital role in the stru

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Plant Enzyme Activities and Phylogenetic Analysis

The content discusses the alignment of various plant enzyme amino acid sequences, including DcLCYB1, DcLCYB2, and DcLCYE, among different inbred lines. It also explores the construction of DcLCYs for enzyme activities using an E. coli complementation assay. The phylogenetic relationship between DcLC

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Optimizing CHO Bioprocesses with Amino Acid Prediction Tool

University of Massachusetts Lowell has developed a genome-scale model for Chinese Hamster Ovary (CHO) cells, enhancing bioprocess optimization. The Amino Acid Level Prediction Tool complements this, aiding in predicting key nutrient levels for improved process control. Supported by advanced algorith

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Qualitative Tests of Proteins & Amino Acids: Overview and Analysis

In this lab, you will delve into the qualitative tests for proteins and amino acids, understanding their structures, classifications, and importance in food and human nutrition. The tests include solubility tests and identification tests for both amino acids and proteins, revealing their presence an

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Qualitative Tests of Proteins & Amino Acids - Lab Analysis Overview

This lab analysis covers qualitative tests for proteins and amino acids, including solubility tests and identification tests for amino acids and proteins. Specific tests like Ninhydrin test for -L amino acids, Xanthoproteic test for aromatic amino acids, and lead sulfite test for sulfhydryl group de

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Qualitative Chemical Reactions of Amino Acid Protein Functional Groups

Qualitative chemical reactions of amino acid protein functional groups involve detecting the presence of peptides (proteins) in a sample through tests like the Biuret test. Different reactions, such as the effect of salt concentration on protein solubility and precipitation of proteins by acids, hel

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Understanding Inborn Errors of Amino Acid Metabolism

Explore the world of inborn errors of amino acid metabolism through lectures by Dr. Sumbul Fatma. Discover conditions like Phenylketonuria (PKU), Maple Syrup Urine Disease, Albinism, and more, caused by enzyme deficiencies due to gene mutations. Learn about classical PKU, hyperphenylalaninemia, and

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Overview of Amino Acidopathies in Dentistry: Defects in Amino Acid Metabolism

This lecture discusses the various amino acidopathies, including phenylketonuria, albinism, alkaptonuria, maple syrup urine disease, and homocystinuria. It covers the metabolic defects in amino acid metabolism, symptoms, causes, and treatment methods for these disorders. Emphasizing the importance o

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Understanding Amino Acids: Structure, Types, and Importance

Amino acids are essential organic molecules that serve as the building blocks of proteins. They contain unique chemical groups and play crucial roles in various bodily functions. This article discusses the structure of amino acids, their different types (D and L), and highlights their importance in

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Mapping QTL and Selection of Soybean Lines with High Essential Amino Acids

Soybean (Glycine max L.) plays a crucial role as a crop in North Carolina, especially for its essential amino acids content critical for human and animal nutrition. This study aims to identify quantitative trait loci (QTL) for essential amino acids in soybean seeds using a genetic map from the Forre

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Investigating the Role of Amino Acid 381 in BK Channel Clustering

The study explores the significance of amino acid 381 in the function of dystrophin to localize SLO-1 in C. elegans. By utilizing the T381I mutation, the research aims to determine whether a SLO-1 BK channel with this mutation exhibits a clustered or non-clustered phenotype. Proposed methods involve

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Understanding Drug Metabolism and Excretion in Pharmacology

Drug metabolism involves the biotransformation of pharmaceutical substances in the body, primarily in the liver, to facilitate their elimination. This process helps convert drugs into less active forms for enhanced elimination through various reactions in Phase I and Phase II metabolism. Factors suc

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Understanding Serum Uric Acid Levels and Hyperuricemia

Serum uric acid is a crucial marker of purine metabolism, with elevated levels indicating hyperuricemia which can lead to conditions like Gout. The measurement of serum uric acid helps in diagnosing hyperuricemia, with serum being the preferred specimen for testing. Various factors such as diet, gen

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Understanding Fatty Acid Metabolism in Animals

Animals cannot convert fatty acids into glucose due to the inability to synthesize glucose from fatty acids. The process involves acetyl-CoA not being converted into pyruvate or oxaloacetate, leading to the citric acid cycle and differences between fatty acid synthesis and degradation pathways. Key

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