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関連する概念動画

Sulfur Assimilation01:20

Sulfur Assimilation

72
Sulfur is an essential element in biological systems, contributing to synthesizing key biomolecules, including amino acids such as cysteine and methionine, and cofactors such as coenzyme A and biotin. Microorganisms primarily assimilate sulfur as sulfate (SO₄²⁻) from the environment, which must undergo a series of biochemical transformations before it can be incorporated into cellular components. As sulfate is highly oxidized, it must undergo assimilatory sulfate reduction to...
72
Biosynthesis of Nucleic Acids01:28

Biosynthesis of Nucleic Acids

169
Nucleic acid biosynthesis is a fundamental biochemical process that produces the purine and pyrimidine nucleotides essential for DNA and RNA synthesis. This pathway maintains a balanced nucleotide pool, preventing imbalances that could jeopardize genetic integrity and cellular function. Given the crucial role of nucleotides, their synthesis is tightly regulated to ensure proper cellular homeostasis.Purine BiosynthesisThe biosynthesis of purine nucleotides begins with ribose-5-phosphate, a...
169
Role of Skin in Vitamin D Synthesis01:23

Role of Skin in Vitamin D Synthesis

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The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
5.6K
DNA Replication02:40

DNA Replication

50.8K
DNA replication involves the separation of the two strands of the double helix, with each strand serving as a template from which the new complementary strand is copied.  After replication, each double-stranded DNA includes one parental or “old” strand and one “new” strand. This is known as semiconservative replication. The resulting DNA molecules have the same sequence and are divided equally into the two daughter cells.
Replication in Prokaryotes
DNA replication...
50.8K
Pedigree Analysis01:35

Pedigree Analysis

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Overview
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Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

3.6K
The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
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関連する実験動画

Updated: Sep 10, 2025

In Vitro Biochemical Assays using Biotin Labels to Study Protein-Nucleic Acid Interactions
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In Vitro Biochemical Assays using Biotin Labels to Study Protein-Nucleic Acid Interactions

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バイオチン: DNA から ダイエット

Shivani Karalia1, Vinod Kumar Meena2

  • 1Department of Food Science, Faculty of Science, University of Copenhagen, Rolighedsvej, 1958 Frederiksberg C, Denmark.

The Journal of nutritional biochemistry
|August 25, 2025
PubMed
まとめ

ビオチン (ビタミンB7) は代謝に不可欠であり,人間によって作られていません. その独特な性質は 新しい抗菌薬や 病気診断の可能性を秘めています

科学分野:

  • 生物化学
  • 分子生物学
  • 栄養学

背景:

  • ビオチン (ビタミンB7/H) は,脂肪酸とアミノ酸代謝を含む細胞代謝の重要な水溶性コファクターである.
  • ヒトの細胞はバイオチンを合成しません.それは食事や腸内細菌から得られます.
  • 推奨される毎日の摂取量は年齢によって異なりますが,推定では5~35μg/日です.

研究 の 目的:

  • 遺伝学,医療,食事におけるバイオチンの多面的な役割を探求する.
  • 細胞から栄養レベルまでのバイオチン研究の総合的な概要を提供する.
  • 薬の開発と診断における バイオチンの可能性を強調するためです

主な方法:

  • バイオチンの構造,代謝,および用途に関する既存の文献のレビュー.
  • 代謝経路とタンパク質との相互作用の分析
  • 病原菌とバイオフィルム形成との闘いにおけるバイオチンの可能性の探求

主要な成果:

  • バイオチンの保存された代謝の役割は,抗菌薬の開発の可能性を示唆しています.
  • バイオチンのアビディンへの高い親和性は,病気の診断における生化学センサーの候補となる.
  • ビオチンと脂質合成タンパク質の相互作用は,細菌の細胞外マトリックスを破壊する可能性を示している.

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AirID-Based Proximity Labeling for Protein-Protein Interaction in Plants
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AirID-Based Proximity Labeling for Protein-Protein Interaction in Plants

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Expression, Isolation, and Purification of Soluble and Insoluble Biotinylated Proteins for Nerve Tissue Regeneration
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Expression, Isolation, and Purification of Soluble and Insoluble Biotinylated Proteins for Nerve Tissue Regeneration

Published on: January 22, 2014

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関連する実験動画

Last Updated: Sep 10, 2025

In Vitro Biochemical Assays using Biotin Labels to Study Protein-Nucleic Acid Interactions
08:14

In Vitro Biochemical Assays using Biotin Labels to Study Protein-Nucleic Acid Interactions

Published on: July 17, 2019

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AirID-Based Proximity Labeling for Protein-Protein Interaction in Plants
08:36

AirID-Based Proximity Labeling for Protein-Protein Interaction in Plants

Published on: September 16, 2022

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Expression, Isolation, and Purification of Soluble and Insoluble Biotinylated Proteins for Nerve Tissue Regeneration
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Expression, Isolation, and Purification of Soluble and Insoluble Biotinylated Proteins for Nerve Tissue Regeneration

Published on: January 22, 2014

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結論:

  • バイオチンは細胞の代謝と人間の健康に 重要な役割を果たします
  • 独特の生化学的特性により 新しい治療法と診断戦略の機会が生まれます
  • バイオチンのメカニズムに関するさらなる研究は 薬の発見と病気の管理を進めることができます