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Synthesis and Degradation of the Major Allergens in Developing and Germinating Soybean Seed.
MedLine Citation:
PMID:  22123664     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Gly m Bd 28K, Gly m Bd 30K and Gly m Bd 60K are the major soybean (Glycine max (L.) Merr.) allergens limiting the consumption of a good protein source for sensitive individuals. However, little is known about their temporal-spatial expression during seed development and upon germination. The present data shows that soy allergens accumulated in both the embryonic axes and cotyledon, but expression patterns differed depending on the specific allergen. Allergens accumulated sooner and to a greater level in cotyledons than in embryonic axes. Gly m Bd 28 began at 14 days after flowering (DAF), 7 to 14 days earlier than Gly m Bd 30K and Gly m Bd 60K. Comparatively, their degradation was faster and more profound in embryonic axes than in cotyledons. Gly m Bd 60K began to decline at 36 h after imbibition and remained detectable up to 108 h in cotyledons. In contrast, the Glym Bd 60K protein was reduced at 24 h, and eventually disappeared at 96 h . In cotyledons Gly m Bd 28K firstly declined at 24 h, then increased from 36 h to 48 h, followed by its large reduction at 72 h after seed germination. These findings provide useful information on soy allergen biosynthesis and will help move forward towards developing a hypoallergenic soybean for safer food.
Authors:
Yong-Mei Wu; Rong-Xia Guan; Zhang-Xiong Liu; Run-Zhi Li; Ru-Zhen Chang; Li-Juan Qiu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-28
Journal Detail:
Title:  Journal of integrative plant biology     Volume:  -     ISSN:  1744-7909     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101250502     Medline TA:  J Integr Plant Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Institute of Botany, Chinese Academy of Sciences.
Affiliation:
Center of Agricultural Biotechnology, Shanxi Agricultural University, Taigu 030801, China National Key Facility of Gene Resources and Genetic Improvement/ Key Lab of Crop, Germplasm Utilization, the Ministry of Agriculture, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
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