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Related Concept Videos

Protein and Protein Structure02:15

Protein and Protein Structure

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Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme...
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Globular and Fibrous Proteins02:21

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Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
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Intrinsically Disordered Proteins02:18

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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Antimicrobial Proteins01:23

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Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
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Role of Proteins in the Human Body01:28

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Proteins are the building block of life. They are also  the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They...
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The Unfolded Protein Response01:37

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The ER is the hub of protein synthesis in a cell. It has robust systems to quality control protein folding and also for degradation of terminally misfolded proteins. Under normal conditions, a small proportion of misfolded proteins that cannot be salvaged need to be transported to the cytoplasm by the ER-associated degradation or ERAD pathways. However, if the ERAD cannot handle the misfolded proteins, the cell activates the unfolded protein response or UPR to adjust the protein folding...
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Resistant Protein: Forms and Functions.

Emanuele Zannini1, Aylin W Sahin1, Elke K Arendt1,2

  • 1School of Food and Nutritional Sciences, University College Cork, College Road, T12 K8AF Cork, Ireland.

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Summary

Introducing resistant protein into the diet can improve health and gut microbiome function. This dietary approach helps mitigate risks associated with excess protein consumption and enhances metabolic properties.

Keywords:
food designfood structureprotein digestibilityprotein structureresistant protein

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Area of Science:

  • Nutritional Science
  • Microbiology
  • Food Science

Background:

  • Global health risks are linked to dietary habits, particularly overconsumption of ultra-processed foods and high protein intake (150-200% of recommended values).
  • Excess dietary protein reaching the colon is fermented by gut bacteria into potentially toxic byproducts, posing health concerns.
  • Current strategies focus on reducing protein content, but incorporating resistant protein offers a novel approach to manage protein digestion and fermentation.

Purpose of the Study:

  • To investigate the potential health benefits of incorporating resistant protein into the human diet.
  • To explore how resistant protein can positively influence gut microbiome functionality and metabolic properties.
  • To address the knowledge gap regarding the digestibility and health impacts of alternative proteins.

Main Methods:

  • The study proposes a multidisciplinary investigation into the properties and effects of resistant protein.
  • Focus on understanding the chemical conformation and amino acid composition influencing resistant protein's structural stability and resistance to digestion.
  • Comparative analysis with dietary fibers and resistant starches regarding their health benefits and functional roles.

Main Results:

  • Hypothesizes that resistant proteins can beneficially alter food functionality.
  • Anticipates improvements in metabolic properties and health benefits in human nutrition.
  • Suggests resistant proteins could positively influence gut microbiome functionality.

Conclusions:

  • Resistant protein represents a promising dietary strategy to counterbalance the negative health effects of excess protein consumption.
  • Further research is crucial to fully understand the impact of resistant protein on human health and the gut microbiome.
  • This line of inquiry holds significant potential for advancements in nutrition, food science, and public health.