Vector Control
Vector Control - Related Videos
10:21
Population Replacement Strategies for Controlling Vector Populations and the Use of Wolbachia pipientis for Genetic Drive
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Cited by 13 •
2007
In this interview, Jason Rasgon explains the concept of genetic drive and the characteristics of an effective gene drive system. The use of the endosymbiotic bacterium, Wolbachia pipientis, as a means to spread genes through mosquito populations, is hypothesized.
09:21
Production, Purification, and Quality Control for Adeno-associated Virus-based Vectors
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Cited by 35 •
2019
Here, we describe an efficient and reproducible strategy to produce, titer, and quality-control batches of adeno-associated virus vectors. It allows the user to obtain a vector preparation with high-titer (≥1 x 1013 vector genomes/mL) and a high purity, ready for in vitro or in vivo use.
09:20
Vectors in Multiple Directions
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2023
Source: Nicholas Timmons, Asantha Cooray, PhD, Department of Physics & Astronomy, School of Physical Sciences, University of California, Irvine, CA This experiment demonstrates how vectors add and subtract in multiple directions. The goal will be to analytically calculate the addition or subtraction of multiple vectors and then to experimentally confirm the calculations. A vector is an object with both magnitude and direction. The magnitude of a vector is simply denoted as the length,...
10:42
A Protocol for the Production of Integrase-deficient Lentiviral Vectors for CRISPR/Cas9-mediated Gene Knockout in Dividing Cells
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Cited by 21 •
2017
We describe the production strategy of integrase-deficient lentiviral vectors (IDLVs) as vehicles for delivering CRISPR/Cas9 to cells. With an ability to mediate quick and robust gene editing in cells, IDLVs present a safer and equally effective vector platform for gene delivery compared to integrase-competent vectors.
01:30
Vectors
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2025
Vectors are mathematical entities characterized by both magnitude and direction. Unlike scalars, which are defined solely by magnitude, vectors represent quantities like displacement, velocity, and force, where direction is essential. Vectors are graphically represented as directed line segments, extending from an initial point to a terminal point, denoted with bold letters or arrows placed above the symbol. Two vectors are deemed equal if they share identical magnitudes and directions,...
FAQs
Different measures act at different points in transmission. Insecticide-treated nets reduce opportunities for mosquitoes to contact hosts, while habitat removal and larval control target earlier stages of a vector’s life cycle. Biological agents and targeted pesticide use add other ways to reduce vector populations. Combining these approaches can address both vector abundance and host exposure rather than depending on one measure.
Surveillance and ecological assessment show where vectors occur and which environmental conditions support them. This information allows programs to target interventions precisely instead of applying them uniformly. Surveillance also supports resistance monitoring, which can reveal whether insecticides remain useful. Together, these observations help align control with local conditions while limiting unnecessary pesticide use and environmental effects.
Insecticide resistance monitoring protects the usefulness of pesticide-based measures. By tracking resistance, a program can recognize when an insecticide may no longer provide dependable control and adjust its strategy rather than relying on repeated application. This supports the broader goal of slowing resistance evolution while maintaining efforts to reduce transmission of diseases carried by vectors.
When ecological assessment identifies relevant vector habitats, targeted pesticide use can be directed toward those settings. Habitat removal changes the environment itself, whereas pesticides act directly on vectors. Using these approaches selectively can interrupt vector life cycles or reduce vector contact with hosts while supporting precise control and limiting environmental effects.
A program should begin with surveillance and ecological assessment, followed by selection of measures suited to the vectors and their environments. Possible actions include habitat removal, larval control, insecticide-treated nets, biological agents, or targeted pesticide use. Resistance monitoring should continue during implementation so strategies can remain effective and avoid unnecessary environmental impacts.
Programs can combine insecticide-treated nets, habitat removal, larval control, biological agents, and targeted pesticide use. These options address different points in vector biology and exposure: some reduce host contact, some alter habitats, and others act on vector populations. Combining them enables more precise management than depending on a single measure across all settings.
The approach supports prevention of diseases associated with mosquitoes, ticks, and fleas. Examples identified in biology and public health include malaria and dengue, which are linked to mosquito control efforts, and Lyme disease, which provides context for tick-related management. These applications show why surveillance and ecological assessment must account for different vector organisms and environments.