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相关概念视频

Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Genome Annotation and Assembly03:36

Genome Annotation and Assembly

The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
Anatomical Terminology01:20

Anatomical Terminology

Knowledge of anatomy is essential to understand human biology and medicine. Anatomists and health care professionals use standard terminology to describe the human body with more precision and no ambiguity. Anatomical terms have mostly Greek and Latin-derived roots. Because these languages are rarely used in conversation, the meaning of words remains the same. Each term is made up of a root in between the prefixes and suffixes. The root of a term often refers to an organ, tissue, or condition,...
Cerebrum: Anatomical Overview I01:26

Cerebrum: Anatomical Overview I

The main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
Cerebrum: Anatomical Overview II01:11

Cerebrum: Anatomical Overview II

Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
Cerebellum: Anatomical Regions01:17

Cerebellum: Anatomical Regions

The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
Cerebellar Structure
Externally, the cerebellum features a highly convoluted surface with numerous folia (narrow ridges) separated by shallow sulci (grooves). The cerebellum is divided into two hemispheres by a thin median structure known as the vermis. The...

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High Resolution Quantitative Synaptic Proteome Profiling of Mouse Brain Regions After Auditory Discrimination Learning
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洞穴:Connectome的注释版本引擎

Sven Dorkenwald1,2, Casey M Schneider-Mizell3, Derrick Brittain3

  • 1Princeton Neuroscience Institute, Princeton University, Princeton, NJ, USA.

Nature methods
|April 9, 2025
PubMed
概括
此摘要是机器生成的。

连接组注释版本引擎 (CAVE) 能够协作校对和分析大规模的大脑连接组数据集. 该基础设施通过在持续的注释和细分纠正过程中管理数据变化来支持可重现的研究.

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科学领域:

  • 神经科学是一个神经科学.
  • 计算生物学 计算生物学
  • 生物信息学是一种生物信息学.

背景情况:

  • 由于电子显微镜和图像细分的进步,大规模的连接原子数据集正在增长.
  • 协作注释和纠错 (校对) 对这些数据集至关重要.
  • 在大型连接器中管理动态数据变化带来了重大的分析挑战.

研究的目的:

  • 将Connectome注释版本引擎 (CAVE) 作为一个计算基础设施.
  • 为校对和灵活的注释支持提供可扩展的解决方案.
  • 为了使在正在进行的注释过程中,在 petascale 数据集上进行可复制的连接组分析.

主要方法:

  • 开发了CAVE作为一套网络服务.
  • 实施了可扩展的解决方案,用于并发注释和校对.
  • 在任意时间点启用快速分析查询.

主要成果:

  • CAVE支持分布式社区进行大规模连接原子数据分析.
  • 该系统处理数百万个voxel重新标签和数千个注释编辑.
  • 即使在持续修改数据的情况下,也可以实现可重现的分析.

结论:

  • CAVE为协作和可重复的连接ome研究提供了必要的基础设施.
  • 它解决了管理动态,大规模神经科学数据集的挑战.
  • 方便对 petascale 连接原子数据进行高效分析.