Search research articles

ACERCA DE JoVE

Visión General Liderazgo Blog Centro de Ayuda JoVE

AUTORES

Proceso de Publicación Consejo Editorial Alcance y Políticas Revisión por Pares Preguntas Frecuentes Enviar

BIBLIOTECARIOS

Testimonios Suscripciones Acceso Recursos Consejo Asesor de Bibliotecas Preguntas Frecuentes

INVESTIGACIÓN

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archivo

EDUCACIÓN

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Centro de Recursos para Profesores Sitio de Profesores

Términos y Condiciones de Uso

Política de Privacidad

Videos de Conceptos Relacionados

Evolutionary Relationships through Genome Comparisons

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...

Gene Evolution - Fast or Slow?

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...

Synteny and Evolution

Synteny and Evolution

John H. Renwick first coined the term “synteny” in 1971, which refers to the genes present on the same chromosomes, even if they are not genetically linked. The species with common ancestry tend to show conserved syntenic regions. Therefore, the concept of synteny is nowadays used to describe the evolutionary relationship between species.
Around 80 million years ago, the human and mice lineages diverged from the common ancestor. During the course of evolution, the ancestral...

Phylogeny

Phylogeny

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.

Modern Molecular Taxonomy

Modern Molecular Taxonomy

Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...

Phylogenetic Trees

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por

Same author

SciPhy: A Bayesian phylogenetic framework using sequential genetic lineage tracing data.

Nature communications·2026

Same author

Fifty years since a simple equation described the chaos of biology.

Nature·2026

Same author

From clinics to sewers: leveraging environmental surveillance and whole genome sequencing to inform transmission of ESBL-<i>Escherichia coli</i> in Switzerland.

Applied and environmental microbiology·2026

Same author

The relative contribution of close-proximity contacts, shared classroom exposure and indoor air quality to respiratory virus transmission in schools.

Nature communications·2025

Same author

Towards a mathematical framework for modelling cell fate dynamics.

Journal of mathematical biology·2025

Same author

The relative contribution of close-proximity contacts, shared classroom exposure and indoor air quality to respiratory virus transmission in schools.

medRxiv : the preprint server for health sciences·2025

Same journal

A native sulfur deposit in Gale crater, Mars.

Science (New York, N.Y.)·2026

Same journal

Coordinated demise of harmful algal blooms.

Science (New York, N.Y.)·2026

Same journal

Genetic effects put into context.

Science (New York, N.Y.)·2026

Same journal

Bacteria share proteins to survive antibiotics.

Science (New York, N.Y.)·2026

Same journal

Impacts shaped Earth's first continents.

Science (New York, N.Y.)·2026

Same journal

Erratum for the Report "Covalently bonded single-molecule junctions with stable and reversible photoswitched conductivity" by C. Jia <i>et al</i>.

Science (New York, N.Y.)·2026

Ver todos los artículos relacionados

Search research articles

Video Experimental Relacionado

Updated: Nov 21, 2025

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

Filodinámica para biólogos celulares

T Stadler^1,2, O G Pybus³, M P H Stumpf⁴

¹Department of Biosystems Science and Engineering, ETH Zürich, Switzerland. tanja.stadler@bsse.ethz.ch oliver.pybus@zoo.ox.ac.uk mstumpf@unimelb.edu.au.

Science (New York, N.Y.)

|January 15, 2021

Resumen

Este resumen es generado por máquina.

La comprensión del linaje celular y la evolución requiere enfoques filogenéticos y filodinámicos. La aplicación de "pensamiento de árbol" y modelos ecológicos nulos mejora el análisis de datos de una sola célula para obtener información biológica.

Más Videos Relacionados

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Published on: June 11, 2015

A Practical Guide to Phylogenetics for Nonexperts

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Videos de Experimentos Relacionados

Last Updated: Nov 21, 2025

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin

Published on: August 14, 2018

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

Published on: June 11, 2015

A Practical Guide to Phylogenetics for Nonexperts

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Área de la Ciencia:

Biología evolutiva
Biología celular
Biología de los sistemas

Sus antecedentes:

Los organismos multicelulares exhiben dinámicas celulares complejas impulsadas por el nacimiento, la muerte y la herencia celular.
Estas dinámicas son fundamentales para el desarrollo, la diferenciación y la aparición de enfermedades como el cáncer.
Los recientes avances de la biología molecular permiten estudios de resolución de una sola célula de la composición celular, la ascendencia y la evolución.

Objetivo del estudio:

Introducir enfoques filogenéticos y filodinámicos para el análisis de datos biológicos de una sola célula.
Para resaltar la importancia del "pensamiento de árbol" en la interpretación de los datos a nivel celular.
Demostrar la utilidad de los modelos ecológicos nulos en las pruebas de hipótesis estadísticas para estudios de una sola célula.

Principales métodos:

Análisis filogenéticos y filodinámicos aplicados a los datos de una sola célula.
El "pensamiento en árbol" es un marco conceptual para la interpretación de datos.
Modelos ecológicos nulos para pruebas de hipótesis estadísticas.

Principales resultados:

Los métodos filogenéticos y filodinámicos ofrecen herramientas poderosas para comprender el linaje celular y la evolución.
El "pensamiento de árbol" proporciona una lente crucial para interpretar conjuntos de datos complejos de una sola célula.
Los modelos nulos ecológicos mejoran el rigor de la inferencia estadística en biología celular.

Conclusiones:

Es esencial integrar los enfoques filogenéticos y filodinámicos con la biología de una sola célula.
Se necesitan desarrollos teóricos, incluidos el "pensamiento en árbol" y los modelos nulos, para aprovechar plenamente los datos de una sola célula.
Los avances en la biología celular experimental deben complementarse con marcos teóricos para una visión más profunda de la dinámica celular.