(19)
(11) EP 1 200 568 A2

(12)

(88) Date of publication A3:
13.09.2001

(43) Date of publication:
02.05.2002 Bulletin 2002/18

(21) Application number: 00952383.8

(22) Date of filing: 28.07.2000
(51) International Patent Classification (IPC)7C12N 9/78, C12N 15/52, C12N 15/80, C12N 15/82, C12N 15/10, C12N 5/10, A01H 5/00
(86) International application number:
PCT/US0021/009
(87) International publication number:
WO 0109/305 (08.02.2001 Gazette 2001/06)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 30.07.1999 US 146473 P

(71) Applicants:
  • E.I. DU PONT DE NEMOURS AND COMPANY
    WilmingtonDelaware 19898 (US)
  • PIONEER HI-BRED INTERNATIONAL, INC.
    Johnston, IA 50131 (US)

(72) Inventors:
  • CASPAR, Timothy
    Wilmington, DE 19736 (US)
  • FALCO, Saverio, Carl
    Arden, DE 19810 (US)
  • SAKAI, Hajime
    Wilmington, DE 19803 (US)
  • WENG, Zude
    Des Plaines, IL 60016 (US)
  • HU, Xu
    Urbandale, IA 50322 (US)

(74) Representative: Webber, Philip Michael 
Frank B. Dehn & Co.,179 Queen Victoria Street
London EC4V 4EL
London EC4V 4EL (GB)

   


(54) PURINE METABOLISM GENES IN PLANTS