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Related Concept Videos

Conservation of Protein Domains Over Different Proteins02:26

Conservation of Protein Domains Over Different Proteins

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Protein domains are small structurally independent units that are part of a single amino acid chain.  Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
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The Evidence for Evolution02:55

The Evidence for Evolution

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Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
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Overview of Protein Metabolism01:21

Overview of Protein Metabolism

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Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
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Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

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The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...
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Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

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Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA...
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Gene Duplication and Divergence02:37

Gene Duplication and Divergence

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The seminal work of Ohno in 1970 popularized the idea of gene duplication and divergence. DNA sequence comparison studies reveal that a large portion of the genes in bacteria, archaebacteria, and eukaryotes was  generated by gene duplication and divergence, indicating its critical role in evolution.
The duplicated copies of the gene are called Paralogs. Paralogs with similar sequences and functions form a gene family. Across several species, a large number of gene families are...
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Related Experiment Video

Updated: Jul 1, 2025

Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence
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Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence

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Dietary proteins: from evolution to engineering.

Hannelore Daniel1

  • 1School of Life Sciences, Technical University of Munich, Freising, Germany.

Frontiers in Nutrition
|March 4, 2024
PubMed
Summary

Dietary proteins are essential macronutrients for growth and health. Future protein needs require exploring novel sources and technologies for sustainable, high-quality protein production to meet global demand.

Area of Science:

  • Human Physiology and Metabolism
  • Nutritional Science
  • Evolutionary Biology

Background:

  • Dietary proteins are crucial macronutrients, vital for growth, body maintenance, and survival throughout human evolution.
  • Agricultural and food science advancements have improved protein availability, yet global demand, particularly in developing nations, necessitates high-quality protein sources.
  • Excessive protein consumption in developed countries poses health and environmental concerns, driving interest in sustainable alternatives.

Purpose of the Study:

  • To review human physiology and metabolism concerning protein intake from an evolutionary standpoint.
  • To explore future prospects for protein production, including novel sources and technologies.
  • To examine the dual requirements of amino acid provision and functional properties in new protein ingredients.
Keywords:
dietevolutionfood biotechnologynew proteinsphysiology

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Identifying Amino Acid Overproducers Using Rare-Codon-Rich Markers
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Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules
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Related Experiment Videos

Last Updated: Jul 1, 2025

Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence
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Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence

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Main Methods:

  • Literature review integrating evolutionary biology, human physiology, and nutritional science.
  • Analysis of current and projected global protein requirements and consumption patterns.
  • Exploration of emerging protein production technologies and alternative biomass sources.

Main Results:

  • Proteins are indispensable for human health, with evolutionary pressures shaping dietary adaptations.
  • Global protein demand is projected to rise significantly, especially for high-quality sources.
  • Novel protein sources (algae, yeast, insects) and technologies (precision fermentation, in vitro cultivation) are emerging.

Conclusions:

  • Future protein production must balance nutritional requirements with sustainability and functionality.
  • Innovative approaches are essential to meet the escalating global demand for high-quality dietary proteins.
  • Understanding evolutionary context is key to developing effective and sustainable protein strategies.