Embryogenic callus and cell suspensions of corn inbred B73

Patent 5134074 Issued on July 28, 1992. Estimated Expiration Date:

March 23, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Process for regenerating corn
Patent #: 4665030
Issued on: 05/12/1987
Inventor: Close

Process for regenerating cereals Patent #: 4666844
Issued on: 05/19/1987
Inventor: Cheng

Inventors

Application

No. 500231 filed on 03/23/1990

US Classes:

435/412, Corn cell or cell line, per se800/320.1Maize

Examiners

Primary: Fox, David T.

Attorney, Agent or Firm

Arnold, White & Durkee

International Classes

C12N 005/00
C12N 005/02

Abstract

Embryogenic callus of corn inbred B73 is disclosed along with viable, seed-producing plants derived from this embryogenic callus. Also disclosed are plantlets from embryogenic cell suspension cultures of B73 and mutants and recombinant progeny of embryogenic callus.

Other References

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Gengenbach et al. 1977, Proc. Natl. Acad. Sci. USA 74(11):5113-5117
Green, C. 1982, p. 107-108 IN: Plant Tissue Culture 1982, Fujiwara, A. (ed.), Maruren Co., Ltd., Tokyo
Potrykus et al, 1979, Theor. Appl. Genet. 54:209-214
Green et al. 1975, Crop Sci. 15:417-421
Green et al. (1974) Crop Sci. 14:54-58
Lu et al (1983) Theor. Appl. Genet 66:285-89
Ozias-Akins P, "Progress and Limitations in the Culture of Cereal Protoplasts", Trends in Biotechnology 2(5), 1984, 119-123
Rhodes, C. A. et al, "Plant Regeneration From Protoplasts Isolated from Embryogenic Maize Cell Cultures", Biotechnology Jun. 6, 1988, 56-60
D. A. Evans, "Somaclonal Variation-Genetic Basis an Breeding Applications", Trends Genet 5(2), 1989, 46-50
Ludwig, S. R. et al, "High Frequency Callus Formation from Maize Protoplasts", Theos Appl. Genetics (1985) 71 344-5