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Assaying Effector Function in Planta Using Double-Barreled Particle Bombardment

 Last Update: 2020-11-18
 Source: Internet
 Author: User

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autophagic cell death

expression

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The biolistic transient gene expression assay is a beneficial tool for studying gene function in vivo. However, biolistic transient assay systems have inherent pitfalls that often cause experimental inaccuracies such as poor transformation efficiency, which can be confused with biological phenomena. The double-barreled gene gun device is an inexpensive and highly effective attachment that enables statistically significant data to be obtained with one-tenth the number of experimental replicates compared to conventional biolistic assays. The principle behind the attachment is to perform two simultaneous bombardments with control and test
DNA
preparations onto the same leaf. The control bombardment measures the efficiency of the transformation while the ratio of the test bombardment to the control bombardment measures the activity of the gene of interest. With care, the ratio between the pair of bombardments can be highly reproducible from bombardment to bombardment. The double-barreled attachment has been used to study plant resistance
(R)
gene-mediated responses to effectors, induction and suppression of cell death by a wide variety of pathogen and host molecules, and the role of o�mycete effector RXLR motifs in cell reentry.

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