The soybean sucrose binding protein gene family : genomic organization, gene copy number and tissue-specific expression of the SBP2 promoter

The sucrose binding protein (SBP) from soybean has been implicated as an important component of the sucrose uptake system. Two SBP genomic clones, gsS641.1 and gsS641.2, which correspond to allelic forms of the GmSBP2/S64 gene, have been isolated and characterized. As a member of the seed storage pr...

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Veröffentlicht in:Journal of experimental botany. - 1985. - 54(2003), 393 vom: 30. Dez., Seite 2643-53
1. Verfasser: Contim, Luis Antônio S (VerfasserIn)
Weitere Verfasser: Waclawovsky, Alessandro J, Delú-Filho, Nelson, Pirovani, Carlos P, Clarindo, Wellington R, Loureiro, Marcelo E, Carvalho, Carlos R, Fontes, Elizabeth P B
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Carrier Proteins Membrane Transport Proteins Plant Lectins Soybean Proteins SBP protein, Glycine max 147154-45-8
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100 1 |a Contim, Luis Antônio S  |e verfasserin  |4 aut 
245 1 4 |a The soybean sucrose binding protein gene family  |b genomic organization, gene copy number and tissue-specific expression of the SBP2 promoter 
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520 |a The sucrose binding protein (SBP) from soybean has been implicated as an important component of the sucrose uptake system. Two SBP genomic clones, gsS641.1 and gsS641.2, which correspond to allelic forms of the GmSBP2/S64 gene, have been isolated and characterized. As a member of the seed storage protein superfamily, it has been shown that the SBP gene structure is similar to vicilin genes with intron/exon boundaries at conserved positions. Fluores cence in situ hybridization (FISH) suggested that the soybean SBP gene family is represented by at least two non-allelic genes corresponding to the previously isolated GmSBP1 and GmSBP2/S64 cDNAs. These two cDNAs share extensive sequence similarity but are located at different loci in the soybean genome. To investigate transcriptional activation of the GmSBP2 gene, 2 kb 5'-flanking sequences of gsS641.1 and gsS641.2 were fused to the beta-glucuronidase (GUS) reporter gene and to the green fluorescent protein (GFP) reporter gene and inde pendently introduced into Nicotiana tabacum by Agrobacterium tumefaciens-mediated transformation. The SBP2 promoter directed expression of both GUS and GFP reporter genes with high specificity to the phloem of leaves, stems and roots. Thus, the overall pattern of SBP-GUS or SBP-GFP expression is consistent with the involvement of SBP in sucrose translocation-dependent physiological processes 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Membrane Transport Proteins  |2 NLM 
650 7 |a Plant Lectins  |2 NLM 
650 7 |a Soybean Proteins  |2 NLM 
650 7 |a SBP protein, Glycine max  |2 NLM 
650 7 |a 147154-45-8  |2 NLM 
700 1 |a Waclawovsky, Alessandro J  |e verfasserin  |4 aut 
700 1 |a Delú-Filho, Nelson  |e verfasserin  |4 aut 
700 1 |a Pirovani, Carlos P  |e verfasserin  |4 aut 
700 1 |a Clarindo, Wellington R  |e verfasserin  |4 aut 
700 1 |a Loureiro, Marcelo E  |e verfasserin  |4 aut 
700 1 |a Carvalho, Carlos R  |e verfasserin  |4 aut 
700 1 |a Fontes, Elizabeth P B  |e verfasserin  |4 aut 
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