Video Experimental Relacionado

Updated: May 13, 2026

High-throughput Detection Method for Influenza Virus

High-throughput Detection Method for Influenza Virus

Published on: February 4, 2012

Caracterización patológica y molecular del virus de la bronquitis infecciosa en Kerala

B Sruthy Chandran¹, Surya Sankar¹, V Niranjana¹

¹1Department of Veterinary Microbiology College of Veterinary and Animal Sciences Thrissur , Kerala Veterinary and Animal Sciences University , Kerala Wayannad, India.

|December 22, 2025

Resumen

El virus de la bronquitis infecciosa (VBI) causa pérdidas significativas en las aves de corral. Este estudio revela una alta diversidad genética entre las cepas de VBI en Kerala, India, lo que requiere estrategias de vacunación adaptadas para un control eficaz.

Área de la Ciencia:

Virología Veterinaria
Patología Avícola
Epidemiología Molecular

Sus antecedentes:

El virus de la bronquitis infecciosa (VBI) representa una amenaza global para la producción avícola debido a sus variadas cepas y su impacto en la eficacia de las vacunas.
El control del VBI en Kerala es difícil debido a la inconsistencia en la vacunación y la prevalencia de la enfermedad.

Objetivo del estudio:

Caracterizar los aislados de VBI de Kerala, India.
Evaluar la diversidad genética y los efectos patológicos de las cepas circulantes de VBI.
Informar las estrategias regionales de manejo de enfermedades.

Principales métodos:

Análisis de 80 muestras de campo mediante RT-PCR dirigido a la región hipervariable 3 de la subunidad S1.
Aislamiento del virus en huevos embrionados y confirmación mediante RT-PCR.
Secuenciación de los genes S1, M y N para análisis filogenético.
Examen histopatológico de los órganos afectados.

Principales resultados:

Se detectó VBI en 32 de 80 muestras.
El análisis filogenético mostró que los aislados de Kerala se agrupan con otras cepas indias.
La histopatología reveló lesiones características, lo que indica tropismo tisular.

Conclusiones:

Existe una variabilidad genética significativa entre las cepas de VBI en Kerala.
Las estrategias de vacunación actuales pueden requerir adaptación regional.
Los enfoques de vacunación específicos de la región son cruciales para el control eficaz del VBI en aves de corral.

Palabras clave:

Histopatología Bronquitis infecciosa Virus de la bronquitis infecciosa Análisis filogenético

Más Videos Relacionados

Rapid Molecular Detection and Differentiation of Influenza Viruses A and B

Rapid Molecular Detection and Differentiation of Influenza Viruses A and B

Published on: January 30, 2017

Infection of Primary Nasal Epithelial Cells Grown at an Air-Liquid Interface to Characterize Human Coronavirus-Host Interactions

Infection of Primary Nasal Epithelial Cells Grown at an Air-Liquid Interface to Characterize Human Coronavirus-Host Interactions

Published on: September 22, 2023

Videos de Conceptos Relacionados

Pneumonia I: Introduction

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...

Pneumonia II: Pathophysiology

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:

Pulmonary Tuberculosis II

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...

Atypical Pneumonia

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...

Viral Meningitis

Viral Meningitis

Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...

Pneumonia I: Introduction

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...