Video Experimental Relacionado

Updated: Feb 28, 2026

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Feeding of Ticks on Animals for Transmission and Xenodiagnosis in Lyme Disease Research

Published on: August 31, 2013

Las características del huésped y del virus predicen el contagio zoonótico de los mamíferos

Kevin J Olival¹, Parviez R Hosseini¹, Carlos Zambrana-Torrelio¹

¹EcoHealth Alliance, 460 West 34th Street, New York, New York 10001, USA.

|June 22, 2017

Resumen

La identificación de virus de la vida silvestre con potencial pandémico es crucial. Este estudio predice qué especies de mamíferos albergan virus zoonóticos, encontrando que los murciélagos están desproporcionadamente representados, guiando los esfuerzos futuros de vigilancia de enfermedades infecciosas emergentes.

Área de la Ciencia:

Zoología
Virología
Epidemiología

Sus antecedentes:

La mayoría de las enfermedades infecciosas emergentes en humanos son zoonóticas, originadas en mamíferos silvestres.
Comprender el contagio viral de la vida silvestre es crítico para la vigilancia de la pandemia.
Las herramientas analíticas para predecir el contagio zoonótico son limitadas.

Objetivo del estudio:

Para analizar las relaciones entre el virus y el huésped de los mamíferos y predecir el potencial zoonótico.
Identificar las especies huésped y los virus más propensos a causar futuros brotes humanos.
Desarrollar un marco para evaluar el riesgo zoonótico de los nuevos virus.

Principales métodos:

Análisis exhaustivo de las interacciones entre el virus y el huésped en mamíferos.
Modelado estadístico de control para el esfuerzo de investigación.
Análisis filogenético de las relaciones huésped-virus y de los rasgos del huésped.

Principales resultados:

El número de virus por especie y la proporción zoonótica son predecibles.
La relación filogenética con los humanos, la taxonomía del huésped y la densidad de la población humana predicen la proporción zoonótica.
Los murciélagos albergan una proporción significativamente mayor de virus zoonóticos en comparación con otros mamíferos.
Taxon y regiones de alto riesgo identificados para los "virus faltantes" y las "zoonosis faltantes".

Conclusiones:

Los modelos predictivos pueden identificar especies y virus con un alto potencial zoonótico.
Los murciélagos representan un reservorio clave para los virus zoonóticos.
Este marco ayuda a priorizar los esfuerzos de vigilancia para prevenir futuras pandemias.

Más Videos Relacionados

A Trap-Vaccinate-Release Protocol for Immunization of Skunks and Additional Rabies Vectors Against Rabies

A Trap-Vaccinate-Release Protocol for Immunization of Skunks and Additional Rabies Vectors Against Rabies

Published on: November 29, 2024

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

Videos de Conceptos Relacionados

Viral Recombination

Viral Recombination

Cells are sometimes infected by more than one virus at once. When two viruses disassemble to expose their genomes for replication in the same cell, similar regions of their genomes can pair together and exchange sequences in a process called recombination. Alternatively, viruses with segmented genomes can swap segments in a process called reassortment.

Infection

Infection

When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...

Diversity of Protists II

Diversity of Protists II

Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...

Types of Genetic Transfer Between Organisms

Types of Genetic Transfer Between Organisms

Types of Genetic Transfer Between Organisms

Types of Genetic Transfer Between Organisms

Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.

Horizontal Gene Transfer

Horizontal Gene Transfer

Horizontal gene transfer (HGT) is a process where genetic material moves between organisms within the same generation, unlike vertical gene transfer, which occurs from parent to offspring. HGT plays a crucial role in microbial evolution, adaptation, and survival, particularly in shared environments like the human gut.Mobile genetic elements such as plasmids, prophages, integrons, insertion sequences, and transposons facilitate this process. HGT occurs through three primary mechanisms:...