Soybean mosaic virus helper component-protease enhances somatic embryo production and stabilizes transgene expression in soybean

Soybean mosaic virus (SMV) helper component protease (HC-Pro), a suppressor of post-transcriptional gene silencing, was evaluated for its ability to enhance production of soybean hygromycin-resistant somatic embryos (HR-SEs), and stabilize transgene expression. Immature soybean cotyledonary explants...

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Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 43(2005), 10-11 vom: 01. Okt., Seite 1014-21
1. Verfasser: Lim, Hyoun-Sub (VerfasserIn)
Weitere Verfasser: Ko, Tae-Seok, Lambert, Kris N, Kim, Hong-Gi, Korban, Schuyler S, Hartman, Glen L, Domier, Leslie L
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Research Support, U.S. Gov't, Non-P.H.S. DNA Primers DNA, Plant RNA, Plant Peptide Hydrolases EC 3.4.-
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245 1 0 |a Soybean mosaic virus helper component-protease enhances somatic embryo production and stabilizes transgene expression in soybean 
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520 |a Soybean mosaic virus (SMV) helper component protease (HC-Pro), a suppressor of post-transcriptional gene silencing, was evaluated for its ability to enhance production of soybean hygromycin-resistant somatic embryos (HR-SEs), and stabilize transgene expression. Immature soybean cotyledonary explants were co-cultured with Agrobacterium tumefaciens strain KYRT1 harboring either pCAMBIA1302, carrying a hygromycin phosphotransferase gene (hpt) and a gene encoding green fluorescent protein; pCAMBIA1305.1, carrying hpt and beta-glucuronidase (uidA) genes; pG2-HC-Pro, a derivative of pCAMBIA1305.1 containing SMV G2 HC-Pro; or pG5-HC-Pro, a derivative of pCAMBIA1305.1 containing SMV G5 HC-Pro, but lacking uidA. Significantly (rho<0.02) higher numbers of HR-SEs were obtained from explants transformed with Agrobacterium harboring either pG2-HC-Pro or pG5-HC-Pro than with either of the vector controls (pCAMBIA1302 or pCAMBIA1305.1). Beta-glucuronidase (GUS) expression was significantly (rho<0.003) higher in 50-day-old transgenic plants expressing GUS along with SMV-HC-Pro and in SMV-infected GUS transgenic plants than in transgenic plants expressing GUS alone. Together, these data suggest that SMV-HC-Pro enhanced recovery of HR-SEs by suppressing silencing of the hygromycin phosphotransferase gene 
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700 1 |a Ko, Tae-Seok  |e verfasserin  |4 aut 
700 1 |a Lambert, Kris N  |e verfasserin  |4 aut 
700 1 |a Kim, Hong-Gi  |e verfasserin  |4 aut 
700 1 |a Korban, Schuyler S  |e verfasserin  |4 aut 
700 1 |a Hartman, Glen L  |e verfasserin  |4 aut 
700 1 |a Domier, Leslie L  |e verfasserin  |4 aut 
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