一个参考细胞树将比参考细胞图谱更好地服务于科学
在PubMed上查看摘要
概括
此摘要是机器生成的。单细胞生物学需要一个标准化的细胞类型命名系统. 一个拟议的"共识本体学"为精确的科学沟通提供了数据驱动的,基于树的命名体系.
科学领域
- 单细胞生物学
- 基因组学
- 生物信息学
背景情况
- 单细胞分子形状的快速生成缺乏细胞类型定义和组织的统一系统.
- 目前对细胞类型的聚类和注释的方法主要是临时的,阻碍了一致的科学交流.
研究的目的
- 提出一个以原则为基础的,统一的,在单细胞生物学中定义,命名和组织细胞类型的系统.
- 倡导数据驱动的,以树为基础的命名体系,以共识本体为参考分类学.
- 探索这种参考细胞树的实际构建,表示和细分.
主要方法
- 作为细胞类型分类学的比喻,对图谱或周期表类型分类的批评.
- 倡导数据驱动的基于树的命名法.
- 一个包含血统历史和分子状态的共识本体的概念框架.
主要成果
- 基于共识的细胞树提供了一个通用框架.
- 这种框架通过整合血统和分子信息来支持精确的科学交流.
- 系统的设计是稳定且可扩展,
结论
- 一种基于共识的本体生育学,树状的命名体系对于单细胞生物学的发展至关重要.
- 这种方法为细胞类型分类提供了稳定且通用的标准.
- 实施这一框架将提高科学话语的精确性和一致性.
相关概念视频
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...
A cell line is a population of cells grown in vitro that can be subcultured over several generations. Normal cells cease to divide after a certain number of cell divisions, a process known as replicative senescence. This number, called the Hayflick limit, was conceptualized by Leonard Hayflick in 1961 when he observed that fetal cells grown in culture could only divide 40-60 times. This limit is due to the shortening of the telomeres during each round of cell division, preventing cell division...
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...

