1994•Journal of Experimental BotanyRequires access

Elderberry (Sambucus nigraL.) seed proteins inhibit protein synthesis and display strong immunoreactivity with rabbit polyclonal antibodies raised against the type 2 ribosome-inactivating protein nigrin b

Lucı́a Citores, Rosario Marín Iglesias, Raquel Muñoz, José Miguel Ferreras, Pilar Jiménez, Tomás Girbés

Abstract

Affinity chromatography-purifled elderberry (Sambucus nigra L.) seed proteins strongly inhibited protein synthesis and displayed the 28S rRNA N-glycosidase activity characteristic of all types of ribosome-inactivating proteins (RIPs). Western blot analysis revealed several proteins that reacted with antibodies raised against the novel non-toxic type 2 ribosome-inactivating protein nigrin b isolated from elder bark, thus indicating the presence of a new type 2 RIP.

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Key concepts: Sambucus nigra, Ribosome-inactivating protein, Polyclonal antibodies, Western blot, Affinity chromatography, Molecular biology, Biochemistry, Antibody