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相关概念视频

Two-Dimensional Microscopy in Microbiology01:29

Two-Dimensional Microscopy in Microbiology

Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
Methods to Assess Microbial Communities01:19

Methods to Assess Microbial Communities

Microbial communities, comprising bacteria, archaea, and eukaryotic microorganisms, inhabit diverse ecosystems and play crucial roles in environmental and biological processes. Their diversity is defined by three main parameters: species richness (the number of distinct species), species abundance (the relative quantity of each species), and species evenness (how uniformly individual species are distributed in various locations). These factors together shape the structure and ecological balance...
Microenvironments01:22

Microenvironments

Microorganisms inhabit highly localized spaces known as microenvironments, which are defined by distinct physical and chemical characteristics. These include oxygen concentration, pH, temperature, light availability, and nutrient levels. The conditions within a microenvironment can differ markedly from those in the surrounding area and significantly influence microbial growth, metabolism, and community structure.Microenvironments often display sharp physicochemical gradients over small spatial...
Microbial Mats01:25

Microbial Mats

Microbial communities forming biofilms and mats represent complex, spatially structured ecosystems where metabolic processes are stratified according to light, oxygen, and nutrient gradients. Biofilms are initial colonization stages, only a few millimeters thick, while mature microbial mats can reach centimeter-scale thickness and display intricate vertical organization. Their structural and functional heterogeneity allows microorganisms to occupy distinct ecological niches within a few...
Introduction to the Human Microbiota01:22

Introduction to the Human Microbiota

Microorganisms colonize various regions of the human body, including the mouth, nasal passages, throat, stomach, intestines, urogenital tract, and skin. The total number of microbial cells is estimated to range from 10¹³ to 10¹⁴—comparable to, or exceeding, the number of human somatic cells. This host–microbiome relationship has led to the conceptualization of humans as supraorganisms, wherein microbial communities perform vital roles in development, immunity, and disease...
Automated Microbial Diagnostics01:24

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...

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Mapping Bacterial Functional Networks and Pathways in Escherichia Coli using Synthetic Genetic Arrays
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微图是微生物组代谢的网络可视化资源.

Cyrille C Thinnes1,2,3,4, Renee Waschkowitz1,2,3,4, Eoghan Courtney5

  • 1Digital Metabolic Twin Centre, University of Galway, Ireland.

bioRxiv : the preprint server for biology
|February 24, 2025
PubMed
概括

我们开发了MicroMap,这是微生物代谢的可视化工具. 它有助于研究人员探索微生物的代谢能力,并了解它们在健康和疾病中的作用.

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科学领域:

  • 计算系统生物学计算系统生物学
  • 微生物组研究的研究.
  • 代谢网络分析代谢网络分析

背景情况:

  • 人类微生物组对新陈代谢至关重要,影响健康和疾病.
  • 基于约束的重建和分析 (COBRA) 用于微生物组研究,但缺乏大规模可视化资源.
  • 现有的工具无法全面捕捉微生物组代谢网络.

研究的目的:

  • 创建一个手动策划的微生物代谢可视化资源.
  • 为弥补微生物组代谢网络的大规模可视化工具的缺口.
  • 为了使微生物的新陈代谢更广泛的受众.

主要方法:

  • 开发了MicroMap,这是一个手动策划的微生物组代谢网络可视化.
  • 整合了超过四分之一百万微生物基因组规模的代谢重建.
  • 捕获了5064种独特的反应和3499种独特的代谢物,包括98种药物.
  • 为微生物代谢能力的比较分析生成了257,429次可视化.

主要成果:

  • MicroMap提供了对微生物组代谢的直观探索.
  • 用户可以检查微生物的代谢能力,并可视化计算建模结果.
  • 便于对不同微生物的代谢能力进行比较.
  • MicroMap可以与虚拟代谢人类 (VMH) 和COBRA工具箱集成.

结论:

  • 微图是了解微生物组代谢的宝贵资源.
  • 它提高了研究人员和教育工作者对微生物群代谢的可访问性.
  • 在营养-宿主-微生物组-疾病轴上促进假设生成.
  • 该资源是免费访问的,并支持比较分析.