Video Experimental Relacionado
Updated: Mar 20, 2026
07:00
High Throughput Co-culture Assays for the Investigation of Microbial Interactions
Published on: October 15, 2019
10.9K
Comportamientos de tolerancia microbiana cooperativa en el mutualismo huésped-microbiota
1Nomis Center for Immunobiology and Microbial Pathogenesis, the Salk Institute for Biological Studies, La Jolla, CA 92037, USA.
Cell
|June 4, 2016
Resumen
Los microbios beneficiosos, como los patógenos, usan la manipulación del huésped para su propia aptitud. Esta perspectiva sugiere que estos comportamientos promueven la salud y la tolerancia del huésped, fomentando la evolución cooperativa entre huésped y microbios.
Área de la Ciencia:
- Microbiología
- Biología evolutiva
- Interacciones huésped-micróbio
Sus antecedentes:
- La defensa animal contra los microbios tradicionalmente se centra en los mecanismos de resistencia del sistema inmunológico.
- Este punto de vista antagónico complica la comprensión de las relaciones beneficiosas entre el huésped y el microbio.
- Los microbios patógenos muestran comportamientos que mejoran su condición física a expensas del huésped.
Objetivo del estudio:
- Proponer un marco complementario para las interacciones huésped-microbio.
- Para sugerir que los microbios beneficiosos también evolucionan comportamientos para manipular los procesos del huésped.
- Para explorar cómo estos comportamientos promueven la salud del huésped y la aptitud microbiana.
Principales métodos:
- Análisis conceptual y síntesis de las investigaciones existentes sobre la dinámica huésped-microbio.
- Exploración de los comportamientos microbianos en el contexto de las interacciones patógenas y beneficiosas.
- Modelado teórico de la dinámica evolutiva en los sistemas huésped-microbio.
Principales resultados:
- Un marco propuesto donde los microbios beneficiosos emplean comportamientos similares a los patógenos.
- Se sugiere que estos comportamientos promuevan la tolerancia y la salud del huésped, no el daño.
- Este doble papel de los comportamientos microbianos puede conducir a dinámicas evolutivas cooperativas.
Conclusiones:
- Los microbios beneficiosos pueden manipular los procesos del huésped para mejorar su condición física a través de la promoción de la salud del huésped.
- Los comportamientos microbianos tradicionalmente vinculados a la patogénesis también pueden impulsar la tolerancia del huésped.
- Esta perspectiva apoya la coevolución mutualista entre huéspedes y microbios.
Más Videos Relacionados
Videos de Conceptos Relacionados
01:26Microbial Interactions: Cooperation
1
Microbial cooperation involves beneficial interactions in which different species work together for individual or mutual advantage. These interactions can profoundly influence ecological dynamics and evolutionary processes, and they are essential to many pathogenic and symbiotic relationships.Nematode–Bacteria CooperationA striking example is the relationship between the Gram-negative bacterium Xenorhabdus nematophila and the parasitic nematode Steinernema carpocapsae. Juvenile nematodes...
1
01:25Microbial Interactions: Mutualism
1
Mutualism is a symbiotic interaction in which all participating organisms benefit. These relationships can be obligate or facultative and are fundamental to ecosystem functions across diverse biological systems.Plant–Fungi MutualismOne well-known example is the association between plant roots and mycorrhizal fungi, such as Rhizophagus species. The fungal hyphae penetrate the root hairs and the epidermis, forming an extensive hyphal network that establishes a symbiotic association. Through...
1
01:26Microbial Interactions: Competition
6
Microbial competition is an ecological interaction in which microorganisms vie for limited resources within shared environments. These resources may include nutrients, space, or light, depending on the system. The intensity and outcome of competition are influenced by the environmental context, such as nutrient availability, spatial constraints, and the diversity of microbial species present. These competitive interactions significantly influence the structure, function, and resilience of...
6
01:22Microbial Interactions: Parasitism
1
Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
1
01:09Microbe-Plant Interactions
6
Microbe-plant interactions represent a dynamic spectrum of associations shaped by intricate chemical signaling. These interactions can be neutral, beneficial, or detrimental, and profoundly influence plant physiology, growth, and ecosystem function. The plant microbiome, comprising bacteria, fungi, archaea, protists, and viruses, plays a pivotal role in mediating these effects through surface colonization, internal colonization, or systemic symbiosis.Mutualistic associations, particularly with...
6
01:18Functions of the Gut Microbiota
1
The gut microbiota includes trillions of microorganisms that colonize the human gastrointestinal tract, including bacteria, archaea, viruses, and fungi. This complex ecosystem plays a critical role in maintaining intestinal and systemic health. Most of these microbes inhabit the large intestine, establishing a relatively stable and diverse community that contributes to gut homeostasis through various metabolic, immunological, and protective mechanisms.Dominant bacterial phyla, such as...
1