Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Clot Retraction and Fibrinolysis01:16

Clot Retraction and Fibrinolysis

After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
Alterations in Respiration II01:30

Alterations in Respiration II

There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
Repressible Operon: trp Operon01:21

Repressible Operon: trp Operon

The trp operon in Escherichia coli exemplifies a repressible operon. It regulates the synthesis of tryptophan through repressor-mediated transcriptional control and attenuation. This dual regulatory mechanism ensures tryptophan biosynthesis occurs only when needed, conserving cellular resources.Structure of the trp OperonThe trp operon consists of five structural genes (trpE, trpD, trpC, trpB, and trpA) that encode enzymes for tryptophan biosynthesis. These genes are transcribed as a single...
Proofreading01:43

Proofreading

Synthesis of new DNA molecules starts when DNA polymerase links nucleotides together in a sequence that is complementary to the template DNA strand. DNA polymerase has a higher affinity for the correct base to ensure fidelity in DNA replication. The DNA polymerase furthermore proofreads during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.Errors during Replication Are Corrected by the DNA Polymerase EnzymeGenomic DNA is synthesized in...
Proofreading01:31

Proofreading

Synthesis of new DNA molecules is carried out by the enzyme DNA polymerase, which adds nucleotides on the daughter strand complementary to the template DNA strand. DNA polymerase has a higher affinity to add the correct base and ensures fidelity during DNA replication. Furthermore,  it exhibits proofreading activity during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.
Errors During Replication are Corrected by the DNA Polymerase Enzyme
Proofreading01:43

Proofreading

Synthesis of new DNA molecules starts when DNA polymerase links nucleotides together in a sequence that is complementary to the template DNA strand. DNA polymerase has a higher affinity for the correct base to ensure fidelity in DNA replication. The DNA polymerase furthermore proofreads during replication, using an exonuclease domain that cuts off incorrect nucleotides from the nascent DNA strand.Errors during Replication Are Corrected by the DNA Polymerase EnzymeGenomic DNA is synthesized in...

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same journal

Erratum for the Research Article "Awake Hippocampal Sharp-Wave Ripples Support Spatial Memory".

Science (New York, N.Y.)·2026
Same journal

Erratum for the Research Article "Granzyme A from cytotoxic lymphocytes cleaves GSDMB to trigger pyroptosis in target cells" by Z. Zhou <i>et al</i>.

Science (New York, N.Y.)·2026
Same journal

Antibodies sculpt adult brain circuits.

Science (New York, N.Y.)·2026
Same journal

Ice as a geochemical reactor.

Science (New York, N.Y.)·2026
Same journal

To eat or to breathe?

Science (New York, N.Y.)·2026
Same journal

Roots navigate around decay regions by sensing local pH gradients.

Science (New York, N.Y.)·2026

関連する実験動画

Updated: Jul 12, 2026

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy
03:25

Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

Published on: June 16, 2022

Erratum Erratum エラトゥーム エラトゥーム

    Science (New York, N.Y.)
    |August 1, 1980
    PubMed
    まとめ

    ヘルミセンダの関連学習は,B型光受容体の変化を伴う. この研究は,行動修正を,これらの光感受性細胞の特定の細胞変化と関連付けています.

    科学分野:

    • 神経科学は神経科学である.
    • 行動生物学 行動生物学
    • 細胞生物学 細胞生物学

    背景:

    • 海 mollusk Hermissendaは,関連学習を示しています.
    • 光への反応であるフォトタクシスは,ハーミセンダで研究されている重要な行動です.
    • 以前の研究では,細胞の変化が行動の変化の根底にあることを示唆していた.

    研究 の 目的:

    • ヘルミセンダにおける関連性行動変化の特定の細胞相関性を特定する.
    • 光に対する学習反応における光受容体の役割を調査する.

    主な方法:

    • フォトポジティブな反応を評価するために,ハーミセンダに行動実験が行われました.
    • 細胞分析は,光受容体タイプの変化を特定することに焦点を当てました.
    • 行動変化と細胞変化の間の相関分析が行われました.

    主要な成果:

    • フォトポジティブ応答の変更は,Hermissenda.で観察されました.
    • これらの行動の変化は,細胞の変化と相関することが判明しました.
    • 特定の変化はB型光受容体で特定されました.

    関連する実験動画

    Last Updated: Jul 12, 2026

    Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy
    03:25

    Transcorporal Artificial Urinary Sphincter Cuff Placement in a Case Requiring Revision for Urethral Atrophy

    Published on: June 16, 2022

    結論:

    • B型光受容体の細胞の変化は,ハーミセンダの関連学習と直接相関しています.
    • この発見は,このモデル生物における関連性行動改変の細胞基盤を提供する.
    • B型光受容体は,学習された行動の神経回路の重要な構成要素です.