Document Detail

Fruit quality of transgenic tomatoes with suppressed expression of LeETR1 and LeETR2 genes.
MedLine Citation:
PMID:  17392089     Owner:  NLM     Status:  MEDLINE    
Tomato fruit is renowned for its high concentration of phyto-nutrients such as lycopene and carotenoids, overall contribution to nutrition and human health. The effect of antisense suppression of ethylene receptor genes LeETR1 and LeETR2 over the quality of tomato fruit was investigated in this paper. During the different stages of ripening, the fruit of antisense transgenic tomatoes of ale1 and ale2, compared to their wild type B1, showed higher total soluble solids, acidity and electrolytes accumulations and color development; lower fruit firmness, fruit viscosity and fruit elasticity. However, no significant difference of Vc content, total sugar, fruit pH value and fruit pigments between transgenic lines and B1 were noticed. ale1 and ale2 showed shortened shelf life. The data suggest that fruit with suppressed LeETR1 and LeETR2 genes expression have stronger ethylene response, which accelerate fruit ripening and greatly altered tomato variety characteristics.
Bili Bao; Leqin Ke; Jianmei Jiang; Tiejin Ying
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Asia Pacific journal of clinical nutrition     Volume:  16 Suppl 1     ISSN:  0964-7058     ISO Abbreviation:  Asia Pac J Clin Nutr     Publication Date:  2007  
Date Detail:
Created Date:  2007-03-29     Completed Date:  2007-06-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9440304     Medline TA:  Asia Pac J Clin Nutr     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  122-6     Citation Subset:  IM    
Department of Food Science and Nutrition, Zhejiang University, 268 Kaixuan Road, Hangzhou, Zhejiang, China 310029.
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MeSH Terms
Consumer Product Safety
Ethylenes / metabolism*
Lycopersicon esculentum / genetics*,  standards*
Nutritive Value
Plant Proteins
Plants, Genetically Modified*
Receptors, Cell Surface
Reg. No./Substance:
0/Ethylenes; 0/Plant Proteins; 0/Receptors, Cell Surface; 0/ethylene receptors, plant

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