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

Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

Contact-dependent Signaling

Contact-dependent Signaling

Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...

What is Cell Signaling?

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.

What is Cell Signaling?

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.

Overview of Cell Signaling

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...

Overview of Cell Signaling

Overview of Cell Signaling

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate with the environment.
Cells respond to many types of information, often through receptor proteins positioned on the membrane. For example, skin cells respond to and transmit touch...

También podría leer

Artículos Relacionados

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

Ordenar por

Same author

Competing Inter-Domain Quorum-Sensing Systems Control Prophage Lysis-Lysogeny Decisions.

bioRxiv : the preprint server for biology·2026

Same author

<i>Vibrio parahaemolyticus</i> quorum sensing controls phage VP882 transmission.

mBio·2026

Same author

Molecular basis of quorum-sensing signal transduction by CqsS and its inhibition by CqsA the autoinducer synthase.

bioRxiv : the preprint server for biology·2026

Same author

A transcription factor-sRNA-mediated double-negative feedback loop confers pathogen-specific control of quorum-sensing genes.

mBio·2026

Same author

Discovery of a Human Metabolite that Mimics the Bacterial Quorum-Sensing Autoinducer AI-2.

bioRxiv : the preprint server for biology·2026

Same author

Discovery of a Human Metabolite That Mimics the Bacterial Quorum-Sensing Autoinducer AI-2.

Journal of the American Chemical Society·2026

Search research articles

Video Experimental Relacionado

Updated: May 12, 2026

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Published on: November 1, 2013

Conversaciones cortas. charla. La comunicación de célula a célula en las bacterias.

Bonnie L Bassler¹

¹Department of Molecular Biology, Princeton University, NJ 08544, USA. bbassler@molbio.princeton.edu

|June 28, 2002

Resumen

Las bacterias usan la detección de quórum para comunicarse y coordinar comportamientos, funcionando como un organismo multicelular. Este proceso implica señales químicas y sistemas de detección, lo que permite relaciones productivas entre especies bacterianas.

Más Videos Relacionados

Single-cell Microfluidic Analysis of Bacillus subtilis

Single-cell Microfluidic Analysis of Bacillus subtilis

Published on: January 26, 2018

Fluorescence Live-cell Imaging of the Complete Vegetative Cell Cycle of the Slow-growing Social Bacterium Myxococcus xanthus

Fluorescence Live-cell Imaging of the Complete Vegetative Cell Cycle of the Slow-growing Social Bacterium Myxococcus xanthus

Published on: June 20, 2018

Videos de Experimentos Relacionados

Last Updated: May 12, 2026

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Published on: November 1, 2013

Single-cell Microfluidic Analysis of Bacillus subtilis

Single-cell Microfluidic Analysis of Bacillus subtilis

Published on: January 26, 2018

Fluorescence Live-cell Imaging of the Complete Vegetative Cell Cycle of the Slow-growing Social Bacterium Myxococcus xanthus

Fluorescence Live-cell Imaging of the Complete Vegetative Cell Cycle of the Slow-growing Social Bacterium Myxococcus xanthus

Published on: June 20, 2018

Área de la Ciencia:

Microbiología Microbiología.
Comunicación bacteriana es la comunicación bacteriana.

Sus antecedentes:

Las bacterias exhiben comportamientos sociales complejos.
Las acciones coordinadas de grupo son cruciales para la supervivencia y la función bacteriana.

Objetivo del estudio:

Para explicar el proceso de detección de quórum bacteriano.
Para resaltar el papel de la señalización química en las interacciones bacterianas.

Principales métodos:

Revisión de los mecanismos de detección de quórum.
Análisis de moléculas de señal y sistemas de detección.

Principales resultados:

La detección de quórum permite a las bacterias actuar como un colectivo.
Diversas señales químicas median la comunicación intra e interespecie.

Conclusiones:

La percepción de quórum es un comportamiento fundamental de las bacterias.
La comunicación química es la base de las actividades bacterianas cooperativas.