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関連する概念動画

Phylogeny01:23

Phylogeny

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Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire kingdom.
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Lineage Commitment01:21

Lineage Commitment

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Commitment is the  process whereby stem cells:
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How Data are Classified: Numerical Data00:59

How Data are Classified: Numerical Data

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Data that are countable or measurable in specific units are called numerical or quantitative data. Quantitative data are always numbers. Quantitative data are the result of counting or measuring the attributes of a population. Amount of money, pulse rate, weight, number of people living in a town, and number of students who opt for statistics are examples of quantitative data.
Quantitative data may be either discrete or continuous. All quantitative data that take on only specific numerical...
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How Data are Classified: Categorical Data01:11

How Data are Classified: Categorical Data

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A variable, usually notated by capital letters such as X and Y, is a characteristic or measurement that can be determined for each member of a population. Data are the actual values of variables. They may be numbers, or they may be words. Datum is a single value.
Data are classified based on whether they are measurable or not. Categorical data cannot be measured; instead, it can be divided into categories. For example, if Y denotes a person's party affiliation, some examples of Y include...
42.9K
Persuasion Strategies01:52

Persuasion Strategies

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Researchers have tested many persuasion strategies, including the foot-in-the door and the door-in-the-face techniques, in a variety of contexts. Ultimately, the principles are effective in selling products and changing people’s attitude, ideas, and behaviors (Cialdini & Goldstein, 2004).
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Data Reporting and Recording01:24

Data Reporting and Recording

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Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
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Lineage Tracing of Inducible Fluorescently-Labeled Stem Cells in the Adult Mouse Brain
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シーケンシャル系統追跡データから細胞系統樹を解決するための戦略

Nicola Mulberry1, Tanja Stadler2

  • 1Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland.

Theoretical population biology
|January 19, 2026
PubMed
まとめ

新しいCRISPRベースの系統レコーダーは、遺伝性の突然変異を通して細胞の履歴を捉える。この研究は、これらの動的な記録システムを使用して細胞の家系図を正確に再構築するための条件を特定する。

キーワード:
系統追跡系統情報量系統再構築理論的限界

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A Method for Lineage Tracing of Corneal Cells Using Multi-color Fluorescent Reporter Mice
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関連する実験動画

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Lineage Tracing of Inducible Fluorescently-Labeled Stem Cells in the Adult Mouse Brain
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科学分野:

  • 分子生物学
  • 遺伝学
  • バイオインフォマティクス

背景:

  • 分子記録デバイスとシーケンシングの進歩により、数千の細胞における系統追跡が可能になった。
  • 動的系統レコーダーは、CRISPRベースのシステムからの遺伝性の突然変異を利用して連続的な遺伝子記録を行う。
  • 逐次的な突然変異の取得が可能になり、従来のよりも豊富な系統情報を提供する。

研究 の 目的:

  • 逐次編集記録システムをモデル化すること。
  • 正確な系統再構築のための実験条件を分析すること。
  • 動的系統レコーダーの情報内容を理解すること。

主な方法:

  • 逐次編集記録システムのモデリング。
  • 突然変異の蓄積と系統再構築の理論的分析とシミュレーション。
  • 正確な系統追跡のためのパラメータ領域の特定。

主要な成果:

  • 距離ベースの方法が細胞系統樹を正確に解決できる明示的なパラメータ領域を特定した。
  • この研究は、高い確率で正確な系統再構築を可能にする条件を見出した。
  • 理論的な結果は、系統追跡研究の実験設計を導くことができる。

結論:

  • 単純で効率的な再構築方法は、特定の条件下で細胞系統樹を正確に解決できる。
  • 系統レコーダーの情報内容の理解は、系統追跡を進歩させる上で重要である。
  • この研究は、CRISPRベースの系統追跡における実験設計の最適化のためのフレームワークを提供する。