The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 23, 2004
Filed:
Nov. 03, 1997
Zuo-Yu Zhao, Urbandale, IA (US);
Weining Gu, Urbandale, IA (US);
Tishu Cai, Urbandale, IA (US);
Dorothy A. Pierce, Urbandale, IA (US);
Pioneer Hi-Bred International, Inc., Des Moines, IA (US);
Abstract
The present invention relates to methods for improving the transformation frequency of -mediated transformation of maize embryos. A preferred method for transforming maize using comprises the steps of: contacting at least one immature embryo from a maize plant with capable of transferring at least one gene to said embryo; co-cultivating the embryos with culturing the embryos in medium comprising N6 salts, an antibiotic capable of inhibiting the growth of and a selective agent to select for embryos expressing the gene; and regenerating plants expressing the gene.