Several components of SKP1/Cullin/F-box E3 ubiquitin ligase complex and associated factors play a role in Agrobacterium-mediated plant transformation

© 2012 The Authors. New Phytologist © 2012 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 195(2012), 1 vom: 01. Juli, Seite 203-16
1. Verfasser: Anand, Ajith (VerfasserIn)
Weitere Verfasser: Rojas, Clemencia M, Tang, Yuhong, Mysore, Kirankumar S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. ASK1 protein, Arabidopsis Arabidopsis Proteins Cell Cycle Proteins DNA, Bacterial Plant Proteins S-Phase Kinase-Associated Proteins SGT1a protein, Arabidopsis mehr... SGT1b protein, Arabidopsis SKIP protein, Arabidopsis T-DNA Transcription Factors ASK2 protein, Arabidopsis EC 2.3.2.27 SKP Cullin F-Box Protein Ligases
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245 1 0 |a Several components of SKP1/Cullin/F-box E3 ubiquitin ligase complex and associated factors play a role in Agrobacterium-mediated plant transformation 
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520 |a © 2012 The Authors. New Phytologist © 2012 New Phytologist Trust. 
520 |a • Successful genetic transformation of plants by Agrobacterium tumefaciens requires the import of bacterial T-DNA and virulence proteins into the plant cell that eventually form a complex (T-complex). The essential components of the T-complex include the single stranded T-DNA, bacterial virulence proteins (VirD2, VirE2, VirE3 and VirF) and associated host proteins that facilitate the transfer and integration of T-DNA. The removal of the proteins from the T-complex is likely achieved by targeted proteolysis mediated by VirF and the plant ubiquitin proteasome complex. • We evaluated the involvement of the host SKP1/culin/F-box (SCF)-E3 ligase complex and its role in plant transformation. Gene silencing, mutant screening and gene expression studies suggested that the Arabidopsis homologs of yeast SKP1 (suppressor of kinetochore protein 1) protein, ASK1 and ASK2, are required for Agrobacterium-mediated plant transformation. • We identified the role for SGT1b (suppressor of the G2 allele of SKP1), an accessory protein that associates with SCF-complex, in plant transformation. We also report the differential expression of many genes that encode F-box motif containing SKP1-interacting proteins (SKIP) upon Agrobacterium infection. • We speculate that these SKIP genes could encode the plant specific F-box proteins that target the T-complex associated proteins for polyubiquitination and subsequent degradation by the 26S proteasome 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 7 |a ASK1 protein, Arabidopsis  |2 NLM 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Cell Cycle Proteins  |2 NLM 
650 7 |a DNA, Bacterial  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a S-Phase Kinase-Associated Proteins  |2 NLM 
650 7 |a SGT1a protein, Arabidopsis  |2 NLM 
650 7 |a SGT1b protein, Arabidopsis  |2 NLM 
650 7 |a SKIP protein, Arabidopsis  |2 NLM 
650 7 |a T-DNA  |2 NLM 
650 7 |a Transcription Factors  |2 NLM 
650 7 |a ASK2 protein, Arabidopsis  |2 NLM 
650 7 |a EC 2.3.2.27  |2 NLM 
650 7 |a SKP Cullin F-Box Protein Ligases  |2 NLM 
650 7 |a EC 2.3.2.27  |2 NLM 
700 1 |a Rojas, Clemencia M  |e verfasserin  |4 aut 
700 1 |a Tang, Yuhong  |e verfasserin  |4 aut 
700 1 |a Mysore, Kirankumar S  |e verfasserin  |4 aut 
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