Global Patent Index - EP 1108009 A4

EP 1108009 A4 20040714 - COMPOSITIONS AND METHODS FOR PRODUCING HIGH-LEVEL SEED-SPECIFIC GENE EXPRESSION IN CORN

Title (en)

COMPOSITIONS AND METHODS FOR PRODUCING HIGH-LEVEL SEED-SPECIFIC GENE EXPRESSION IN CORN

Title (de)

ZUSAMMENSETZUNGEN UND VERFAHREN FÜR DIE HERSTELLUNG EINER STARKEN, SAMENSPEZIFISCHEN GENEXPRESSION IN MAIS.

Title (fr)

COMPOSITIONS ET PROCEDES PERMETTANT DE PRODUIRE UNE EXPRESSION GENIQUE DE NIVEAU ELEVE PROPRE A UNE GRAINE DANS LE MAIS

Publication

EP 1108009 A4 20040714 (EN)

Application

EP 99945499 A 19990825

Priority

  • US 9920308 W 19990825
  • US 9803498 P 19980827
  • US 13783699 P 19990607

Abstract (en)

[origin: WO0012681A1] The present invention provides novel DNA constructs encoding high methionine zein proteins, the expression of which is not negatively regulated by the dzrl regulatory protein. The constructs of the invention comprise a delta -zein coding region operably linked to a promoter and a 3' UTR which has been modified so as to be devoid of any binding sites for the dzrl regulatory protein. Preferably, the entire 3' UTR is replaced by a heterologous sequence that does not contain any dzrl binding sites. Transgenic corn plants comprising the DNA constructs of the invention are also provided. These plants consistently produce high methionine corn seeds.

IPC 1-7

C12N 5/04; C12N 15/29; C12N 15/82; C07K 14/425; A01H 5/10

IPC 8 full level

C07K 14/425 (2006.01); C12N 15/82 (2006.01)

CPC (source: EP)

C07K 14/425 (2013.01); C12N 15/8234 (2013.01); C12N 15/8253 (2013.01)

Citation (search report)

  • [X] US 5633436 A 19970527 - WANDELT CHRISTINE I [US]
  • [A] WO 9308682 A1 19930513 - STATE UNIVERSITY OF NEW JERSEY [US]
  • [A] WO 9214822 A1 19920903 - DU PONT [US]
  • [XD] BAGGA ET AL: "coexpression of maize delta-Zein and beta-Zein genes results in stable accumulation of delta-Zein in endoplasmatic reticulum-derived protein bodies formed by beta-Zein", PLANT CELL, AMERICAN SOCIETY OF PLANT PHYSIOLOGISTS, ROCKVILLE, MD, US, no. 9, 1 September 1997 (1997-09-01), pages 1683 - 1696, XP002077186, ISSN: 1040-4651
  • [XDA] ANDERSON KIRIHARA J ET AL: "ISOLATION AND SEQUENCE OF A GENE ENCODING A METHIONINE-RICH 10-KDA ZEIN PROTEIN FROM MAIZE", GENE, ELSEVIER BIOMEDICAL PRESS. AMSTERDAM, NL, vol. 71, 1988, pages 359 - 370, XP002070068, ISSN: 0378-1119 & DATABASE EBI [online] KIRIHARA, H. A. ET AL., XP002278462, retrieved from EBI Database accession no. M23537
  • [PX] SHARMA SHASHI B ET AL: "Expression of a sulfur-rich maize seed storage protein, delta-zein, in white clover (Trifolium repens) to improve forage quality", MOLECULAR BREEDING, vol. 4, no. 5, October 1998 (1998-10-01), pages 435 - 448, XP009029886, ISSN: 1380-3743
  • [AD] UEDA T ET AL: "MUTATIONS OF THE 22 AND 27-KD ZEIN PROMOTERS AFFECT TRANSACTIVATION BY THE OPAQUE-2 PROTEIN", PLANT CELL, vol. 4, no. 6, 1992, pages 701 - 709, XP002278461, ISSN: 1040-4651
  • See references of WO 0012681A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

WO 0012681 A1 20000309; AU 5808999 A 20000321; EP 1108009 A1 20010620; EP 1108009 A4 20040714

DOCDB simple family (application)

US 9920308 W 19990825; AU 5808999 A 19990825; EP 99945499 A 19990825