Browsing by Author "Sammour, Reda Helmy [رضا حلمي سمور]"
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Cloning and Expression of Methionine-enriched Glycinin GY4-Genes in E. Coli
Sammour, Reda Helmy [رضا حلمي سمور] ( Qatar University , 2002 , Article)Cloned cDNAs encoding glycinin subunit GY4 was modified to increase methionine content. The effect of the modification was evaluated using an in vitro transcription / translation system. The modifications were carried out ... -
Improvement The Quality of 'Soya Bean Seed Storage Proteins by Genetic Engineering Cdna Encoding G2 Subunit
Sammour, Reda Helmy [رضا حلمي سمور] ( Qatar University , 2003 , Article)The goal of this work is to improve nutritional quality of soybean seed proteins by altering cDNA-encoding G2 subunit of Soybean glycinin to be capable of self-assembly in vitro. Two plasmids were constructed; one designated ... -
Proteins of cottonseed (gossypium barbadense) .• extraction and characterization by electrophoresis
Sammour, Reda Helmy [رضا حلمي سمور]; El-Shourbagy, M. N.; Abo-Shady, A. M.; Abasary, A. M. ( Qatar University , 1995 , Article)The seed proteins of cotton (Gossypium barbadense) were quantitavely and qualitavely investigated. The qualitative study was carried out using different electrophoretic techniques ((PAGE, SDS-PAGE, Poro-PAGE, SDS-Poro-PAGE, ... -
Role of Proteinases in the Degradation of the Major Storage Proteins of Linseed Germinating Seeds
Sammour, Reda Helmy [رضا حلمي سمور] ( Qatar University , 1999 , Article)The proteolytic activities of the germinating linseed using casein, azocoll and linseed globulin as substrates showed a steady increase until 48 hr of germination, followed with a rapid increase to reach a peak after 3 ...