Specific region affects the difference in accumulation levels between apple food allergen Mal d 1 and birch pollen allergen Bet v 1 which are expressed in vegetative tissues of transgenic rice

2018 ◽  
Vol 98 (4-5) ◽  
pp. 439-454
Author(s):  
Fumio Takaiwa ◽  
Yuko Ogo ◽  
Yuhya Wakasa
2018 ◽  
Author(s):  
Fumio Takaiwa ◽  
Yuko Ogo ◽  
Yuhya Wakasa

AbstractApple food allergen Mal d 1 and birch pollen allergen Bet v 1 belong to the same pathogen related protein 10 (PR10) family. When each of these allergens was expressed as a secretory protein by fusion with the GFP reporter in transgenic rice by ligating an N terminal signal peptide and a C terminal KDEL ER retention signal under the control of the maize ubiquitin constitutive promoter, the GFP:Mald1 highly accumulated in various tissues, whereas the accumulation level of GFP:Betv1 was remarkably reduced in vegetative tissues except for seed. Analysis by RT-PCR exhibited that there was little difference in transcript levels between them, indicating the involvement of post-transcriptional regulation. To investigate the cause of such difference in accumulation levels, deletion analysis of the Mal d 1 and domain swapping between them were carried out in transgenic rice. These results showed that the region between positions 41-90 in the Mal d 1 is predominantly implicated in higher level accumulation in vegetative tissues as well as seed compared with the Bet v 1. It is notable that GFP:Mald1 directed by the ubiquitin promoter is deposited in huge PBs in aleurone layer rather than starchy endosperm.HighlightSpecific region of PR10 proteins is mainly implicated in their stability in vegetative tissues when expressed in transgenic rice.


2013 ◽  
Vol 54 (6) ◽  
pp. 917-933 ◽  
Author(s):  
Shuyi Wang ◽  
Hideyuki Takahashi ◽  
Hiroyuki Kajiura ◽  
Taiji Kawakatsu ◽  
Kazuhito Fujiyama ◽  
...  

2009 ◽  
Vol 124 (1) ◽  
pp. 135-142.e21 ◽  
Author(s):  
Sakari Joenväärä ◽  
Pirkko Mattila ◽  
Jutta Renkonen ◽  
Antti Mäkitie ◽  
Sanna Toppila-Salmi ◽  
...  

PLoS ONE ◽  
2016 ◽  
Vol 11 (12) ◽  
pp. e0167453 ◽  
Author(s):  
Nathalie Acevedo ◽  
Adriana Bornacelly ◽  
Dilia Mercado ◽  
Per Unneberg ◽  
Irene Mittermann ◽  
...  

1998 ◽  
Vol 25 (4) ◽  
pp. 459 ◽  
Author(s):  
Pascal Poupard ◽  
Désiré-Georges Strullu ◽  
Philippe Simoneau

Bet v 1-SC genes constitute a subset of a multigene family in birch (Betula pendula Roth) that includes the gene for the major pollen allergen and encode proteins belonging to a new family of intracellular pathogenesis-related proteins. We have investigated the expression in birch roots of the Bet v 1-SC1 and Bet v 1-SC3 genes by northern and reverse-transcription-polymerase chain reaction analyses. Only Bet v 1-SC3 was found to be highly expressed in roots under basal conditions but this gene was not wound-inducible. Conversely the expression of the Bet v 1-SC1 gene was markedly transiently induced 8 to 9 h after the stress. Immunoblotting with polyclonal antiserum raised against the major birch pollen allergen confirmed that Bet v 1-related polypeptides are present in root extracts. This first report of Bet v 1-SC gene expression and wound-inducibility in birch roots suggests a possible function of proteins encoded by these genes in plant defense and/or root organogenesis.


2002 ◽  
Vol 109 (1) ◽  
pp. S130-S130
Author(s):  
Angelika Riemer ◽  
Isabella Schoell ◽  
Farideh Nasseri-Kia ◽  
Claudia Gusenbauer ◽  
Margarete Focke ◽  
...  

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