US2006037109A1PendingUtilityA1

Alteration of amino acid compositions in seeds

Assignee: PIONEER HI BRED INTPriority: Feb 9, 1998Filed: Sep 13, 2005Published: Feb 16, 2006

Est. expiryFeb 9, 2018(expired)· nominal 20-yr term from priority

Inventors:Rudolf Jung Virginia M. Dress A. Gururaj Rao Jerome P. Ranch Regina K. Higgins

C12N 15/8254C07K 14/415C12N 15/8251C12N 15/8253C12N 15/8234C07K 14/811

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Claims

Abstract

The present invention provides a method for enhancing the nutritional value of seeds and seeds produced by the method.

Claims

exact text as granted — not AI-modified

1 . A method for increasing the nutritional value of a cereal plant seed comprising: 
 transforming a host plant cell with a vector comprising an expression cassette comprising a seed endosperm-preferred promoter operably linked to a structural gene encoding a polypeptide elevated in content of a preselected amino acid; recovering the transformed cells; regenerating a transformed plant; and recovering the seeds therefrom.    
     
     
         2 . A seed produced by the method of  claim 1 .  
     
     
         3 . The seed according to the method of  claim 1  wherein the preselected amino acid is lysine, threonine or tryptophan and optionally a sulfur-containing amino acid.

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