West Nile Virus
West Nile Virus - Related Videos
03:34
Nile Red Staining of C. elegans: A Method to Visualize Lipid Droplets in Fixed Animals
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2023
This video describes a protocol to stain lipids in whole, fixed worms using Nile Red dye. To specifically view the neutral lipids in the core of lipid droplets, image the green emission spectra of the stained C. elegans.
03:32
Nile Red Staining: A Technique to Detect and Quantify Intracellular Neutral Lipids in Algae
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2025
This video demonstrates a protocol for detecting and quantifying neutral lipids in algal cells by staining them with Nile red dye.
11:43
The Fastest Western in Town: A Contemporary Twist on the Classic Western Blot Analysis
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Cited by 30 •
2014
This protocol explores the latest advancements in performing Western blot analyses. These novel modifications employ a Bis-Tris gel system with a 35 min electrophoresis run time, a 7 min dry blotting transfer system, and infrared fluorescent protein detection and imaging that generates higher resolution, quality, sensitivity, and improved accuracy of Western data.
08:48
The Western Blot
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2023
Western Blotting is used to identify the presence of specific proteins in electrophoretically separated samples. Following separation by a technique known as sodium dodecyl sulfate polyacrylamide gel electrophoresis, or SDS-PAGE, western transfer is used to move proteins from a polyacrylamide gel onto a piece of membrane which traps the proteins in their respective locations. Next, the membranes are probed with antibodies in a process called immunboblotting. Immunoblotting uses...
07:45
Western Blotting: Sample Preparation to Detection
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Cited by 49 •
2010
Western blotting is an analytical technique used to detect specific proteins in a given sample of tissue homogenate or extract.
FAQs
The transmission cycle is maintained primarily between birds and mosquitoes. Mosquitoes acquire the virus through this bird-associated cycle and may subsequently transmit it to people through bites. Humans therefore represent an important concern for disease surveillance, even though the virus’s main biological cycle centers on mosquito and bird interactions.
Severe illness can occur when the virus invades the nervous system, producing encephalitis, which is inflammation of the brain, or meningitis, which affects the membranes surrounding the brain and spinal cord. This neurological involvement helps explain why some infections progress beyond fever and can result in lasting neurological effects or death.
West Nile virus infects multiple vertebrate hosts, including birds, humans, horses, and other animals. These hosts provide distinct biological contexts for studying infection and transmission. Comparing them helps researchers examine how the virus circulates in nature, how disease severity varies, and why some infections remain mild while others affect the nervous system.
Most human infections are asymptomatic, meaning they produce no noticeable symptoms, or cause a mild fever. A smaller proportion of cases develops severe disease, particularly when neurological invasion occurs. Outcomes can include encephalitis, meningitis, long-term neurological effects, or death, making clinical severity an important focus of infectious disease research.
Surveillance follows the virus across its relevant biological and public-health settings, especially its circulation among birds and mosquitoes and its appearance in human or animal infections. These observations support assessment of transmission patterns and disease risk. Surveillance findings can guide mosquito-control strategies and help identify priorities for diagnostic development.
Research on West Nile virus contributes to diagnostic development, mosquito-control strategies, pathogen surveillance, and studies of host immunity and viral transmission. In biology, these applications connect molecular and organismal questions with public-health needs. The work also helps clarify how a mosquito-borne pathogen produces outcomes ranging from asymptomatic infection to severe neurological disease.