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相关概念视频

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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Nursing Clinical Information System01:27

Nursing Clinical Information System

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Nursing Clinical Information System (NCIS)
A Nursing Clinical Information System (NCIS) is a specialized type of healthcare information system tailored to meet the unique needs of nursing practice. It incorporates the principles of nursing informatics to streamline information management and improve the quality of care delivery.
Critical attributes of NCIS include:
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Life Tables01:22

Life Tables

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A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...
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Schemas01:42

Schemas

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A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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ER Retrieval Pathway01:45

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In the secretory pathway, vesicles transport proteins from one cellular compartment to another in forward transport to deliver the protein to its correct location. Occasionally, misfolded proteins and incorrect proteins escape their original compartments, and a retrieval pathway is used to return the escaped proteins to their original compartment.
The ER uses many checkpoints to prevent the entry of incorrectly folded or a resident protein as cargo onto a transport vesicle. These mechanisms...
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Cognitivism01:17

Cognitivism

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Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
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COG数据库更新 2024 年 2024 年

Michael Y Galperin1, Roberto Vera Alvarez1, Svetlana Karamycheva1

  • 1Computational Biology Branch, Division of Intramural Research, National Library of Medicine, National Institutes of Health, 8600 Rockville Pike, Bethesda, MD 20894, USA.

Nucleic acids research
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PubMed
概括
此摘要是机器生成的。

更新后的Clusters of Orthologous Genes (COG) 数据库现在包括超过2,200个 prokaryotic 基因组,扩大了其覆盖范围并增强了功能注释. 这个版本改善了对细菌蛋白质分泌系统和其他关键蛋白质家族的研究.

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科学领域:

  • 基因组学就是基因组学.
  • 生物信息学是一种生物信息学.
  • 微生物学 微生物学

背景情况:

  • 1997年建立的正统基因集群 (COG) 数据库是比较基因组学的重要资源.
  • 持续更新是必要的,以纳入快速扩大的完全测序的 prokaryotic 基因组的数量.

研究的目的:

  • 更新COG数据库以最新的完整的 prokaryotic 基因组.
  • 扩大COG的功能类别,特别关注细菌蛋白质分泌系统.
  • 改进各种蛋白质家族的注释,并促进对比基因组分析.

主要方法:

  • 从NCBI数据库中包含2296个完整的原生物基因组 (2103个细菌,193个古生物) (2023年11月).
  • 将COG蛋白家族从4877扩展到4981,专注于分泌系统.
  • 改善了rRNA/tRNA修饰蛋白,信号转导蛋白和未表征家族的功能注释.

主要成果:

  • 现在COG数据库涵盖了2296种 prokaryotic 物种,代表具有完整基因组的所有属.
  • 新的COG结合了细菌分泌系统 (II-X型,Flp/Tad型,IV型 pili),使得谱系特定的分析成为可能.
  • 增强的注释可以更好地了解 prokaryotic 的功能多样性和进化.

结论:

  • 更新后的COG数据库为 prokaryotic 基因组学研究提供了更全面的资源.
  • 扩展的功能类别,特别是分泌系统,促进了详细的比较研究.
  • 本资源有助于理解基本的 prokaryotic 系统的分布和演变.