Aphid Vector
Aphid Vector - Related Videos
06:01
Testing the Physiological Barriers to Viral Transmission in Aphids Using Microinjection
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Cited by 7 •
2008
Aphids are effective transmitters of plant viruses. Aphid microinjection of virus, the procedure we will show you today, is a technique allowing researchers to inject virus directly into the hemocoel of the aphid, bypassing the gut, one of the 2 major barriers for virus transmission in a circulative manner. The same technique is also used to inject dsRNA for RNAi.
06:19
Testing Nicotine Tolerance in Aphids Using an Artificial Diet Experiment
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Cited by 5 •
2008
In this video and assay is demonstrated that tests the tolerance of nicotine to two types of aphids one that infests tobacco plants in the field and one that does not.
09:44
Identification of Critical Conditions for Immunostaining in the Pea Aphid Embryos: Increasing Tissue Permeability and Decreasing Background Staining
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Cited by 9 •
2016
A protocol of whole-mount immunostaining on aphid embryos is presented, in which critical conditions for decreasing background staining and increasing tissue permeability are addressed. These conditions are specifically developed for effective detection of protein expression in the embryonic tissues of aphids.
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.
FAQs
Aphid stylets penetrate plant tissues and create the contact point through which viruses can associate with the insect. In brief probes, virus particles may adhere to mouthparts and remain available for rapid transfer to another plant. This mechanism makes the timing and sequence of feeding movements important when examining how transmission occurs.
Brief probing can support rapid acquisition and transmission when viruses adhere to the mouthparts. Sustained feeding supports a different pathway: the virus passes through the gut and hemolymph, then reaches the salivary glands before entering another plant. These contrasting routes help distinguish short-range mouthpart association from movement through internal vector tissues.
In circulative transmission, these tissues form a sequential internal route for the virus. After sustained feeding, the virus moves from the gut into the hemolymph, the insect’s internal fluid, and then reaches the salivary glands. Reaching the glands is significant because it positions the virus for release during later feeding on a host plant.
Short probes can matter because a virus adhering to mouthparts may move quickly from one plant to another without requiring prolonged feeding. Consequently, transmission may be linked to rapid movement and repeated brief contacts among plants. This mechanism helps explain why aphid behavior and feeding duration are important variables in plant disease ecology.
A useful investigation can compare feeding duration, the movement of aphids between host plants, and the route followed by the virus. Researchers can examine whether transmission is associated with mouthpart adherence during brief probes or with passage through internal tissues during sustained feeding. These observations connect vector behavior with the resulting pattern of disease spread.
Understanding transmission mechanisms supports several complementary responses. Monitoring can help identify disease-spreading aphids, while resistant crops can reduce the success or impact of plant infection. Integrated pest management combines management approaches rather than relying on a single measure. Together, these strategies apply knowledge of aphid, plant, and virus interactions to limit disease spread.