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Direct Agroinoculation of Maize Seedlings by Injection with Recombinant Foxtail Mosaic Virus and Sugarcane Mosaic Virus Infectious Clones
Published on: February 27, 2021
Barley stripe mosaic virus (BSMV) as a virus-induced gene silencing vector in maize seedlings
Sridhar Jarugula1,2, Kristen Willie3, Lucy R Stewart4,5
1Center for Applied Plant Sciences, Ohio State University, 1680 Madison Ave, Wooster, OH, 44691, USA.
Abstract:
Barley stripe mosaic virus (BSMV) was the first reported and still widely used virus-induced gene silencing (VIGS) vector for monocotyledons including wheat and barley. Despite BSMV's reported infectivity on maize (Zea mays), the use of the virus as a vector in maize has not been optimized. Here, we assayed infectivity of BSMV in different maize cultivars by vascular puncture inoculation. Through knockdown of the endogenous host phytoene desaturase gene, we demonstrate for the first time that BSMV can be used as a VIGS vector in maize. This adds BSMV to the repertoire of tools available for functional studies in maize.
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